Phoenix Just Hit a Blistering 118°

Phoenix reached 118 degrees, but the available record package supports a hottest August day claim, not a proven August 1 record.

Quick Take

Phoenix hit 118 degrees Fahrenheit in the afternoon, according to the National Weather Service in Phoenix and local coverage.
Official and local reports described it as the hottest August temperature or warmest August day on record.
The research does not include a date-specific archive proving that August 1 itself was the record day.
The clearest official follow-up is the National Weather Service Phoenix historical records page and the August 2025 climate summary.

Record Heat Hit Phoenix Sky Harbor

Phoenix Sky Harbor Airport reached 118 degrees Fahrenheit in the afternoon, and the National Weather Service in Phoenix said the reading set a new August heat record. Local weather coverage echoed that result and framed it as the hottest August day or warmest August temperature on record. The August 2025 climate summary later listed 118 degrees on August 7 as a notable record high for that month.

That matters because Phoenix heat records often get compressed into a simple headline. A single number can hide the exact category being measured. In this case, the sources point to a monthly August record, not a separate finding about the calendar date August 1. The National Weather Service records page is the key official source for Phoenix temperature extremes, and it is the right place to confirm the exact record category.

What the Available Sources Actually Show

The supplied reporting is consistent on one core point: 118 degrees was a new August benchmark for Phoenix. ABC15 Arizona said the city had its hottest August day ever and noted the previous August record was 117 degrees. Fox Weather and WeatherNation used the same basic framing. Fox 10 Phoenix also reported the 118-degree reading and said National Weather Service officials tied it to Phoenix records that date back to 1895.

What the package does not show is the underlying daily climate table for August 1 alone. Several sources refer to the hottest August day, the hottest August temperature, or the hottest day so far in August. That language supports a month-level record, but it does not prove that August 1 specifically had never reached 118 degrees before. The narrow date claim needs a day-by-day archive, not just a monthly headline.

Why the Distinction Matters

This kind of confusion happens often in weather reporting. A month record, a citywide all-time record, and a record for one calendar date are different claims. Phoenix has reached 118 degrees in other months and years, so the number alone does not settle the question. The public can easily hear “118” and assume a broader record than the sources actually establish, especially when the same event is repeated across television, social posts, and short web clips.

🌡️ Dangerous heat is expected this Saturday in El Centro.

According to the National Weather Service, the current forecast calls for a high of 118°F. Earlier forecasts projected 119°F, but temperatures may continue to fluctuate slightly as updated weather data becomes available.… pic.twitter.com/SYTDD7w6n0

— City of El Centro (@CityofElCentro) July 30, 2026

For readers, the safest reading is simple: the sources confirm a blistering 118-degree August day in Phoenix, and they confirm a new August record. They do not, by themselves, prove that August 1 was the hottest August 1 in city history. To settle that narrower point, the best evidence would be the National Weather Service Phoenix daily record table or the raw station archive for Phoenix Sky Harbor.