San Antonio, TX 14-Day Forecast
Texas, United States 🇺🇸
92°
Sunny right now
Today: high 100°, low 79°
Updated just now
San Antonio weather for the next 14 days
Friday, August 7
Sunny High 100° Low 77°Precipitation
3%
· 0.0 in
Max wind
17 mph
Humidity
57%
UV index
11 - Extreme
Sunrise / sunset
06:57 AM / 08:21 PM
Saturday, August 8
Sunny High 99° Low 76°Precipitation
36%
· 0.02 in
Max wind
16 mph
Humidity
57%
UV index
11 - Extreme
Sunrise / sunset
06:58 AM / 08:21 PM
Sunday, August 9
Sunny High 99° Low 76°Precipitation
36%
· 0.02 in
Max wind
16 mph
Humidity
58%
UV index
11 - Extreme
Sunrise / sunset
06:58 AM / 08:20 PM
Monday, August 10
Partly Cloudy High 101° Low 76°Precipitation
5%
· 0.0 in
Max wind
20 mph
Humidity
59%
UV index
11 - Extreme
Sunrise / sunset
06:59 AM / 08:19 PM
Tuesday, August 11
Sunny High 102° Low 75°Precipitation
3%
· 0.0 in
Max wind
19 mph
Humidity
56%
UV index
9 - Very High
Sunrise / sunset
06:59 AM / 08:18 PM
Wednesday, August 12
Sunny High 103° Low 75°Precipitation
4%
· 0.0 in
Max wind
19 mph
Humidity
57%
UV index
9 - Very High
Sunrise / sunset
07:00 AM / 08:17 PM
Thursday, August 13
Sunny High 103° Low 77°Precipitation
4%
· 0.0 in
Max wind
21 mph
Humidity
56%
UV index
9 - Very High
Sunrise / sunset
07:01 AM / 08:16 PM
Friday, August 14
Sunny High 99° Low 76°Precipitation
4%
· 0.0 in
Max wind
17 mph
Humidity
56%
UV index
9 - Very High
Sunrise / sunset
07:01 AM / 08:15 PM
Saturday, August 15
Partly Cloudy High 103° Low 77°Precipitation
4%
· 0.0 in
Max wind
19 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:02 AM / 08:14 PM
Sunday, August 16
Sunny High 103° Low 76°Precipitation
5%
· 0.0 in
Max wind
19 mph
Humidity
58%
UV index
9 - Very High
Sunrise / sunset
07:02 AM / 08:13 PM
Monday, August 17
Sunny High 103° Low 75°Precipitation
3%
· 0.0 in
Max wind
16 mph
Humidity
57%
UV index
9 - Very High
Sunrise / sunset
07:03 AM / 08:12 PM
Tuesday, August 18
Sunny High 103° Low 75°Precipitation
2%
· 0.0 in
Max wind
14 mph
Humidity
53%
UV index
9 - Very High
Sunrise / sunset
07:03 AM / 08:11 PM
Wednesday, August 19
Sunny High 102° Low 76°Precipitation
3%
· 0.0 in
Max wind
16 mph
Humidity
56%
UV index
9 - Very High
Sunrise / sunset
07:04 AM / 08:10 PM
San Antonio 14-day outlook: the story
The warmest day of San Antonio's 14-day outlook is Sunday, August 16 with a high near 103°F (40°C); the coolest night comes Monday, August 17, dipping to 75°F (24°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 101°F (38°C), about 5°F (3°C) above the typical August high of 96°F (36°C).
No day in the outlook currently carries a strong precipitation signal. For the weekend, expect Saturday 99°F (37°C) and sunny / Sunday 99°F (37°C) and sunny.
For typical conditions month by month, see the San Antonio climate & average temperatures guide.
San Antonio forecast questions
Will it rain in San Antonio this week?
No day in the current 14-day outlook shows a strong rain signal for San Antonio.
What will be the warmest day in San Antonio over the next 14 days?
Sunday, August 16, with a forecast high near 103°F (40°C).
How accurate is a 14-day forecast for San Antonio?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in San Antonio by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 63° | 44° | 8 | 2.2 in | 7.4 h/day | 65% |
| February | 67° | 47° | 8 | 2.1 in | 7.0 h/day | 67% |
| March | 76° | 56° | 10 | 2.5 in | 7.8 h/day | 66% |
| April | 81° | 61° | 12 | 4.1 in | 8.8 h/day | 67% |
| May | 86° | 69° | 16 | 6.8 in | 9.6 h/day | 74% |
| June | 93° | 74° | 11 | 2.9 in | 11.6 h/day | 69% |
| July | 96° | 76° | 7 | 2.6 in | 12.0 h/day | 64% |
| August | 96° | 77° | 7 | 3.1 in | 11.6 h/day | 62% |
| September | 91° | 73° | 10 | 4.0 in | 10.3 h/day | 66% |
| October | 83° | 64° | 8 | 3.8 in | 9.2 h/day | 63% |
| November | 71° | 54° | 9 | 2.8 in | 7.0 h/day | 70% |
| December | 66° | 48° | 8 | 2.3 in | 6.7 h/day | 69% |
14-day forecasts nearby