Weather in San Antonio, Texas for March 2026
Until now, March 2026 in San Antonio is cooler than usual, with temperatures averaging 23.5 °F, this is -2.6 °F below the typical seasonal average.
The forecast for the next days in San Antonio predicts temperatures to be around 26 °F, close to the historical average.
In general, the average temperature in San Antonio at the beginning of March is 26.4 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 26 °F by the end of March.
The climate of San Antonio in March is notably wet, with an average of 11 rainy days, and a total of 165.5 mm of precipitation.
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San Antonio Weather March
Temperatures trend during March in San Antonio
March weather in San Antonio day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Mar. 1 |  Fog | 26° /13° | 0 mm | 5 | |
| Mar. 2 |  Light rain shower | 27° /14° | 0.1 mm | 5 | |
| Mar. 3 | Fog | 24° /15° | 0 mm | 5 | |
| Mar. 4 |  Sunny | 27° /15° | 2.5 mm | 5 | |
| Mar. 5 | Mist | 27° /14° | 0 mm | 5 | |
| Mar. 6 | Mist | 28° /15° | 0 mm | 5 | |
| Mar. 7 | Fog | 26° /16° | 2.2 mm | 5 | |
| Mar. 8 | Fog | 24° /15° | 3.2 mm | 5 | |
| Mar. 9 | Fog | 22° /10° | 0 mm | 5 | |
| Mar. 10 |  Overcast | 26° /20° | 0 mm | 1.4 | |
| Mar. 11 |  Heavy rain | 24° /17° | 58.9 mm | 1.8 | |
| Mar. 12 | Sunny | 22° /8° | 0 mm | 1.8 | |
| Mar. 13 | Sunny | 25° /9° | 0 mm | 0 | |
| Mar. 14 | Sunny | 29° /12° | 0 mm | 5 | |
| Mar. 15 | Sunny | 32° /15° | 0 mm | 6 | |
| Mar. 16 | Sunny | 17° /11° | 0 mm | 4 | |
| Mar. 17 | Sunny | 19° /8° | 0 mm | 4 | |
| Mar. 18 |  Partly cloudy | 21° /9° | 0 mm | 4 | |
| Mar. 19 | Partly cloudy | 26° /11° | 0 mm | 5 | |
| Mar. 20 | Sunny | 30° /12° | 0 mm | 6 | |
| Mar. 21 | Sunny | 32° /14° | 0 mm | 6 | |
| Mar. 22 | Sunny | 32° /15° | 0 mm | 6 | |
| Mar. 23 |  Thundery outbreaks possible | 25° /16° | 0.3 mm | 6 | |
| Mar. 24 | Light rain shower | 28° /17° | 1.5 mm | 6 | |
| Mar. 25 | Sunny | 28° /14° | 1.1 mm | 7 | |
| Mar. 26 | Overcast | 25° /13° | 0 mm | 6 | |
| Mar. 27 | Light rain shower | 26° /15° | 97.4 mm | 5 | |
| Mar. 28 | Light rain shower | 24° /14° | 13.2 mm | 6 | |
| Mar. 29 | Light rain shower | 23° /14° | 0.9 mm | 5 | |
| Mar. 30 | Light rain shower | 26° /15° | 1 mm | 6 | |
| Mar. 31 | Fog | 30° /17° | 0.8 mm | 6 | |
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San Antonio in March - FAQ
What are the expected maximum and minimum temperatures in San Antonio during March?
How much rainfall should be expected in San Antonio during March?
What are the typical wind conditions in San Antonio during March?
March rainfall patterns in San Antonio
UV exposure in San Antonio during March
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