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Weather in San Antonio, TX · National Weather Service + NOAA

San Antonio has hot summers

San Antonio has warm winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 41°, and snow is almost unheard of.

Winter 66°/43°Spring 81°/58°Summer 95°/73°Fall 82°/59°
Right now
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Sunrise 7:28 am · sunset 7:17 pm

Getting the latest forecast from the National Weather Service…

What stands out about San Antonio’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Hot summersJuly afternoons average 95°, hotter than 97% of U.S. towns.Snow is rareAbout 0.1 inches in a normal year, so most winters see none.Plenty of 90° daysAbout 112 days a year reach 90°.Air-conditioning countryMore cooling degree days than 96% of U.S. towns.
A normal year

Where today sits in San Antonio’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
66° / 43°
Snow is rare
Spring
81° / 58°
Last frost around Feb 25
Summer
95° / 73°
112 days reach 90° in a normal year
Fall now
82° / 59°
First frost around Nov 28
56 daysuntil the usual first frost (Nov 28)
Best months to be outside
JanFebMarAprOctNovDec
Highs of 62–84° and lows of 40° or more
How much snow does San Antonio get?Almost none.When is it wettest?May, with 4.0 inches.Is it warmer than it used to be?+1.0° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in San Antonio.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for San Antonio itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at San Antonio Incarnate Word, TX (3 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.

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