San Antonio (TX)
March
Weather in San Antonio, Texas for March 2026
Your guide to San Antonio weather in March - trends and predictions
Until now, March 2026 in San Antonio is slightly cooler than the historical average by -1.3 °F.
The forecast for the upcoming days in San Antonio predicts a temperature of 27.7 °F, which is slightly above 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 moderately rise, reaching an average of 27.1 °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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Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
25°/14°
Temperatures
23 km/h
Avg max wind
65 %
Avg humidity
San Antonio Weather March
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Temperatures trend during March in San Antonio
See the weather trend as well as the moving average line
March weather in San Antonio day by day
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| 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 | 23° /11° | 0 mm | 4 | |
| Mar. 10 | Light rain shower | 23° /12° | 0.6 mm | 5 | |
| Mar. 11 | Fog | 28° /13° | 6.7 mm | 6 | |
| Mar. 12 | Mist | 25° /13° | 0 mm | 6 | |
| Mar. 13 | Sunny | 29° /7° | 0 mm | 1.8 | |
| Mar. 14 |  Overcast | 28° /14° | 0 mm | 1.8 | |
| Mar. 15 | Overcast | 28° /18° | 0 mm | 1.7 | |
| Mar. 16 |  Partly cloudy | 15° /5° | 0 mm | 1.3 | |
| Mar. 17 | Sunny | 19° /3° | 0 mm | 0 | |
| Mar. 18 | Sunny | 25° /9° | 0 mm | 4 | |
| Mar. 19 | Sunny | 27° /12° | 0 mm | 5 | |
| Mar. 20 | Sunny | 30° /13° | 0 mm | 6 | |
| Mar. 21 | Sunny | 33° /15° | 0 mm | 6 | |
| Mar. 22 | Sunny | 32° /15° | 0 mm | 6 | |
| Mar. 23 | Partly cloudy | 31° /16° | 0 mm | 6 | |
| Mar. 24 | Patchy rain possible | 30° /17° | 0 mm | 5 | |
| Mar. 25 | Patchy rain possible | 30° /16° | 0.4 mm | 5 | |
| Mar. 26 | Sunny | 31° /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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Important Notice
Our weather forecast for San Antonio in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Antonio forecast closer to your planned date for the most up-to-date weather information.
Change Month
San Antonio in March - FAQ
What are the expected maximum and minimum temperatures in San Antonio during March?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Antonio during March?
Significant rainfall exceeding 165.5 mm is expected in San Antonio during March, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Antonio during March?
The average wind speed in San Antonio during March is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
March rainfall patterns in San Antonio
Explore the daily rainfall trends and prepare for San Antonios March weather 💧
Typically, San Antonio has 11 rainy days in March with a total of 165.5 mm of rainfall.
UV exposure in San Antonio during March
Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
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