# What will US headline CPI year-over-year inflation be for June 2026 (BLS, NSA, released July 2026)?

Canonical URL: https://preseen.com/reports/907020a3-061a-48df-899d-3412b90d94ac/what-will-us-headline-cpi-year-over-year-inflation-be-for-june-2026-bls-nsa-rele
Markdown URL: https://preseen.com/reports/907020a3-061a-48df-899d-3412b90d94ac/markdown

## Forecast

Median forecast: 4.133; 80% interval: 3.84 to 4.627.

Generated: May 31, 2026 at 6:37 PM UTC
Resolution check date: 2026-07-15
Forecast model: gpt-5.5
Research model: gpt-5.5

## Analysis

## TL;DR
My modal forecast is a 4.1% BLS print, with a 4.18% mean, 69% probability on 3.9%–4.4%, and 17% probability on 4.5% or higher.

## Context
The latest official CPI release is April 2026. BLS published it on May 12, 2026: CPI-U all items was 333.020 on a not-seasonally-adjusted 1982-84=100 basis, up 3.8% over 12 months; headline CPI rose 0.6% seasonally adjusted in April, energy rose 3.8% in the month, and gasoline was up 28.4% over 12 months. ([bls.gov](https://www.bls.gov/news.release/cpi.htm?rel=outbound)) The June 2026 CPI release is scheduled for July 14, 2026, and the fixed denominator for this question is the June 2025 CPI-U NSA index of 322.561. ([bls.gov](https://www.bls.gov/schedule/news_release/cpi.htm))

The May CPI release is still missing. The Cleveland Fed nowcast updated May 29 puts May headline CPI at 0.46% month over month and 4.18% year over year, core CPI at 0.23% month over month and 2.82% year over year, and Q2 headline CPI at 6.54% annualized; the page says the model uses daily oil prices, weekly gasoline prices, and monthly CPI/PCE data. ([clevelandfed.org](https://www.clevelandfed.org/indicators-and-data/inflation-nowcasting))

## Evidence
The historical backbone is the May-to-June move in the CPI-U NSA index, not the unconditional history of June inflation. I used current-vintage BLS/FRED CPIAUCNS monthly data, updated May 12, 2026, for every May-to-June CPI-U NSA change from 1990 through 2025: N=36, units are percent changes in an index with 1982-84=100, and the series is not seasonally adjusted. ([fred.stlouisfed.org](https://fred.stlouisfed.org/series/CPIAUCNS?utm_source=openai)) The mean May-to-June CPI change was +0.28%, the median was +0.20%, the sample standard deviation was 0.33 percentage point, the low was -0.15% in 2012, and the high was +1.37% in 2022. For gasoline, I used the EIA all-grades all-formulations U.S. retail gasoline series, dollars per gallon including taxes, for every available May-to-June change from 1993 through 2025: N=33, current-vintage EIA table. ([eia.gov](https://www.eia.gov/dnav/pet/pet_pri_gnd_a_epm0_pte_dpgal_m.htm)) Its median May-to-June move was -0.3%, with an interquartile range from -1.7% to +2.6% and a 5th-to-95th percentile range near -5.0% to +10.7%.

| Year | CPI-U NSA May→Jun | EIA all-grade gas May→Jun |
|---:|---:|---:|
| 1990 | +0.54% | — |
| 1991 | +0.29% | — |
| 1992 | +0.36% | — |
| 1993 | +0.14% | -0.3% |
| 1994 | +0.34% | +3.0% |
| 1995 | +0.20% | +1.1% |
| 1996 | +0.06% | -1.8% |
| 1997 | +0.12% | -0.2% |
| 1998 | +0.12% | -0.2% |
| 1999 | +0.00% | -1.5% |
| 2000 | +0.52% | +9.2% |
| 2001 | +0.17% | -4.6% |
| 2002 | +0.06% | -0.7% |
| 2003 | +0.11% | -0.4% |
| 2004 | +0.32% | -0.5% |
| 2005 | +0.05% | -0.3% |
| 2006 | +0.20% | -0.8% |
| 2007 | +0.19% | -2.7% |
| 2008 | +1.01% | +7.6% |
| 2009 | +0.86% | +15.8% |
| 2010 | -0.10% | -3.6% |
| 2011 | -0.11% | -5.7% |
| 2012 | -0.15% | -5.1% |
| 2013 | +0.24% | +0.4% |
| 2014 | +0.19% | +0.4% |
| 2015 | +0.35% | +3.0% |
| 2016 | +0.33% | +4.0% |
| 2017 | +0.09% | -1.7% |
| 2018 | +0.16% | -0.6% |
| 2019 | +0.02% | -4.8% |
| 2020 | +0.55% | +10.7% |
| 2021 | +0.93% | +2.6% |
| 2022 | +1.37% | +10.7% |
| 2023 | +0.32% | +0.5% |
| 2024 | +0.03% | -4.0% |
| 2025 | +0.34% | -0.1% |

The index arithmetic is tight. The resolution value is
$$
100\times\left(\frac{I_{Jun\ 2026}}{322.561}-1\right),
$$
where \(I_{Jun\ 2026}\) is the June 2026 CPI-U NSA index and 322.561 is the June 2025 index. ([bls.gov](https://www.bls.gov/news.release/archives/cpi_07152025.htm)) If the Cleveland Fed's 4.18% May nowcast is right, the implied May 2026 NSA index is \(321.465\times1.0418=334.90\), using the May 2025 index from BLS/FRED. ([fred.stlouisfed.org](https://fred.stlouisfed.org/series/CPIAUCNS?utm_source=openai)) From that May level, a 0.0% June CPI-U NSA month gives 3.83% year over year, a 0.2% month gives 4.03%, a 0.4% month gives 4.24%, and a 0.6% month gives 4.45%. June 2025 itself was a +0.34% NSA month, so June 2026 has to beat that to push the year-over-year rate up from the May nowcast. ([bls.gov](https://www.bls.gov/news.release/archives/cpi_07152025.htm))

The live edge is gasoline. EIA's all-grade retail gasoline monthly average rose from $4.236 per gallon in April 2026 to $4.609 in May 2026; its weekly U.S. all-grade readings were $4.581, $4.628, $4.621, and $4.605 for the weeks ending May 4, May 11, May 18, and May 25, with the weekly table released May 27 and the next release scheduled for June 2. ([eia.gov](https://www.eia.gov/dnav/pet/pet_pri_gnd_a_epm0_pte_dpgal_m.htm)) AAA's regular-gas national average was $4.336 on May 31, down from $4.515 a week earlier; Axios also reported on May 29 that AAA's regular average was $4.39, down 16 cents on ceasefire-extension hopes. ([gasprices.aaa.com](https://gasprices.aaa.com/)) EIA's May STEO, completed May 7, forecast all-grade gasoline at $4.44 in Q2 and $4.37 in Q3, and regular gasoline at $4.31 in Q2 and $4.24 in Q3; given April and May actuals, that Q2 all-grade forecast implies a June average near $4.48, about 3% below May. ([eia.gov](https://www.eia.gov/outlooks/steo/pdf/steo_full.pdf?lv=true))

I used a two-branch model. The main branch gets 75% weight and starts with a non-gas CPI baseline of +0.28% for June, with an error band of 0.08 percentage point. It then applies gasoline scenarios to BLS gasoline's 3.573% April relative importance: 50% on a -4.5% June gasoline move, 30% on flat gasoline, 15% on +7.5%, 4% on +22%, and 1% on a severe +50% tail. ([bls.gov](https://www.bls.gov/news.release/cpi.htm?rel=outbound)) The second branch gets 25% weight and preserves the information in the Cleveland Fed's hot Q2 nowcast; it centers June CPI-U NSA closer to +0.5% but keeps a lower-gas subcase because the pump-price tape turned down late in May. ([clevelandfed.org](https://www.clevelandfed.org/indicators-and-data/inflation-nowcasting)) This gives a mean unrounded June year-over-year rate of 4.18%, a median printed value of 4.1%, a 10th percentile printed value of 3.8%, and a 90th percentile printed value of 4.6%. The rounded BLS-print probabilities are 25% below 4.0%, 39% on 4.0%–4.2%, 69% on 3.9%–4.4%, 17% on 4.5% or higher, 2.8% on 5.0% or higher, and 0.36% above 6.0%.

## What's non-obvious
The high gasoline level matters less than the May-to-June gasoline change. May already carries the gasoline shock. If the May nowcast lands near 4.18%, then flat June gasoline and normal core/food drift put the June print near 4.0%–4.2%; expensive but no longer rising gasoline is not enough for a 4.6% print. That is why I put more mass near 4.1% than near 4.4%, despite the Cleveland Fed's hot Q2 number.

The other trap goes the other way. A quick drop back into the low 3s is hard. Even a flat June CPI index would still print about 3.8% from the May-nowcast starting point, and core CPI is not falling: BLS had April core CPI up 0.4% month over month and 2.8% year over year, while Cleveland's May core nowcast is 0.23% month over month and 2.82% year over year. ([bls.gov](https://www.bls.gov/news.release/cpi.htm?rel=outbound)) So the downside needs both a May nowcast miss and a sharp gasoline decline.

## Limitations
The largest missing fact is the official May CPI release on June 10, 2026. A 0.1 percentage-point miss in May year-over-year CPI moves the June year-over-year forecast by about one tenth before rounding. ([bls.gov](https://www.bls.gov/schedule/news_release/cpi.htm)) The second gap is June gasoline. Oil prices fell on deal hopes in late May, but Axios reported that restarting flows through the Strait of Hormuz and clearing logistics could take weeks to months, and retail gasoline can rebound quickly if the conflict worsens. ([axios.com](https://www.axios.com/2026/05/24/oil-prices-iran-war-hormuz-strait-trump-tehran-peace-talks)) The third gap is measurement. EIA and AAA gasoline prices are strong high-frequency proxies, but BLS gasoline CPI is a sampled price index with its own locations, weights, taxes, and collection timing. The model treats that basis risk as noise, not as a known conversion.

## Sources

- Domain Expert Search (mcp)
  > Found 14 subagent groups for 'US inflation CPI near-term forecasting energy gasoline oil shocks Cleveland Fed nowcast CPI-U headline June 2026':
- FRED (mcp)
  > ERROR: tool 'fred.fred_get_economic_series' returned 11,536 tokens of output (limit: 10,000). Your request produced too much data to fit in the model's tool-result budget. Reformulate to be more specific — narrow the date range, reduce the number of entities, ask for a summary instead of raw data, or call a more targeted tool.
- [Consumer Price Index for All Urban Consumers: All Items in U.S. City Average (CPIAUCNS) | FRED | St. Louis Fed](https://fred.stlouisfed.org/series/CPIAUCNS) (openai)
- eia (mcp)
  > {"error": "result_too_large", "message": "Query at monthly frequency would return ~9814 KB across ~98650 records, even after considering coarser frequencies from 'monthly'. Narrow the date range, add facets to filter (e.g. specific products / states / sectors), or query a smaller subset.", "estimated_bytes": 10050200, "soft_cap_bytes": 204800, "hard_cap_bytes": 204800, "route": "petroleum/pri/gnd", "requested_frequency": "monthly", "smallest_frequency_tried": "monthly", "total_records_at_smalle…
- [fred.stlouisfed.org](https://fred.stlouisfed.org/series/CPIAUCSL) (tool)
- [Consumer Price Index News Release - 2026 M04 Results](https://www.bls.gov/news.release/cpi.htm?rel=outbound) (openai)
- [Schedule of Releases for the Consumer Price Index](https://www.bls.gov/schedule/news_release/cpi.htm) (openai)
- [Inflation Nowcasting](https://www.clevelandfed.org/indicators-and-data/inflation-nowcasting) (openai)
- [Retail Prices for Gasoline, All Grades](https://www.eia.gov/dnav/pet/pet_pri_gnd_a_epm0_pte_dpgal_m.htm) (openai)
- [Consumer Price Index News Release - 2025 M06 Results](https://www.bls.gov/news.release/archives/cpi_07152025.htm) (openai)
- [AAA Fuel Prices](https://gasprices.aaa.com/) (openai)
- [eia.gov](https://www.eia.gov/outlooks/steo/pdf/steo_full.pdf?lv=true) (openai)
- [Oil prices fall after Trump indicates US-Iran deal possible](https://www.axios.com/2026/05/24/oil-prices-iran-war-hormuz-strait-trump-tehran-peace-talks) (openai)
- Claude Code (e2b)
  > Job coding_whiz_job_f6be208a2b done after 401768ms.
- [bls.gov](https://www.bls.gov/news.release/cpi.nr0.htm) (tool)
- [eia.gov](https://www.eia.gov/petroleum/gasdiesel) (tool)
- [bls.gov](https://www.bls.gov/opub/ted/2025/consumer-price-index-rose-2-7-percent-for-the-12-months-ending-june-2025.htm) (tool)
- [home.treasury.gov](https://home.treasury.gov/news/press-releases/sb0324) (tool)
- [bls.gov](https://www.bls.gov/news.release/cpi.htm) (tool)
- [eia.gov](https://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=PET&s=EMM_EPMR_PTE_NUS_DPG&f=W) (tool)

## Question Details

The Bureau of Labor Statistics' Consumer Price Index for All Urban Consumers (CPI-U) is the headline US inflation gauge. The 12-month change in the not-seasonally-adjusted all-items index is the figure most commonly cited as the 'inflation rate' and is reported in the BLS CPI news release in the 'Over the Last 12 Months' line. The February-2026 outbreak of the Iran war disrupted Middle East oil exports, pushing US retail gasoline from under $3/gal pre-war to $4.11/gal by mid-April 2026. This drove a 0.9% MoM headline CPI jump in March (released 2026-04-10) and lifted year-over-year headline inflation to 3.3%, the highest since May 2024. Core CPI (ex food and energy) rose more modestly to 2.6% YoY. The Cleveland Fed's inflation nowcast for April 2026 climbed from 3.28% at month-start to 3.58% by April 15. Whether June 2026 prints higher, flat, or lower than March depends largely on the path of crude and gasoline prices over the next ~10 weeks (which in turn depends on the Iran-war trajectory and any OPEC+ response), pass-through of energy into transportation/food, and core services dynamics including shelter. Long-range projections ahead of the next prints cluster in the 3.2–3.6% range for June, with meaningful tail risk in both directions. The June 2026 CPI release is scheduled for the second week of July 2026 per the BLS release calendar.

### Resolution Criteria

Resolves to the 'Unadjusted 12-months ended Jun. 2026' percent change in the All items CPI-U index, as reported in the BLS Consumer Price Index news release covering data for June 2026 (publication scheduled July 2026). Primary source: the BLS CPI news release page at https://www.bls.gov/news.release/cpi.htm and the corresponding PDF (Table A or the 'Percent change Unadjusted 12-months ended' column for All items). The reported figure (rounded to one decimal as published by BLS) is the resolution value. Use the value from the original release; subsequent annual revisions do not change the resolution.

### Fine Print

Use the headline All-items CPI-U not-seasonally-adjusted 12-month percent change exactly as printed in the BLS news release. If BLS delays the June 2026 release past 31 August 2026, resolution waits for publication. If BLS reports the value to a different precision than one decimal, use the value as printed and round to one decimal using standard rounding. Do not use Core CPI, CPI-W, chained CPI, or PCE; do not use seasonally adjusted year-over-year figures.