Weather in San Antonio - 14-day forecast

Detailed weather forecast for San Antonio, United States of America: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in San Antonio

today🌤️ 34°💧 0.5 mm

Thu☀️ 33°💧 0.2 mm

Fri🌧️ 32°💧 3 mm

Sat🌧️ 34°💧 2.6 mm

Sun🌧️ 35°💧 0.3 mm

Mon🌤️ 35°💧 0.5 mm

Tue🌤️ 36°💧 0.5 mm

Wed☀️ 37°💧 0.7 mm

14-day forecast - San Antonio

📅 San Antonio 30 & 45-day weather - long-range outlook

Next 15 days · forecast

36°

around 30° at night · days with rain: 2

Weeks 3-4 · avg for July

37°

around 24° at night · rain chance 13%

Weeks 5-7 · avg for August

37°

around 25° at night · rain chance 20%

The 30 & 45-day outlook for San Antonio: the next 15 days are a numerical forecast updated daily - on average 36° by day and 30° at night. Further out we rely on multi-year climate averages: around 37° in July, and about 37° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for San Antonio

Wednesday8 July 2026

🌤️34°scattered clouds

sunrise 06:41 · sunset 20:37 · night 30° · evening 33° · rain 0.52 mm · humidity 37% · wind 8 m/s · clouds 45%

Thursday9 July 2026

☀️33°clear sky

sunrise 06:41 · sunset 20:37 · night 27° · evening 32° · rain 0.18 mm · humidity 36% · wind 10 m/s · clouds 5%

Friday10 July 2026

🌧️32°light rain

sunrise 06:42 · sunset 20:37 · night 28° · evening 30° · rain 2.96 mm · humidity 51% · wind 7 m/s · clouds 61%

Saturday11 July 2026

🌧️34°light rain

sunrise 06:42 · sunset 20:37 · night 29° · evening 33° · rain 2.56 mm · humidity 48% · wind 7 m/s · clouds 14%

Sunday12 July 2026

🌧️35°light rain

sunrise 06:43 · sunset 20:36 · night 29° · evening 35° · rain 0.29 mm · humidity 40% · wind 8 m/s · clouds 32%

Monday13 July 2026

🌤️35°scattered clouds

sunrise 06:43 · sunset 20:36 · night 30° · evening 37° · rain 0.54 mm · humidity 33% · wind 7 m/s · clouds 36%

Tuesday14 July 2026

🌤️36°a few clouds

sunrise 06:44 · sunset 20:36 · night 32° · evening 37° · rain 0.48 mm · humidity 32% · wind 7 m/s · clouds 11%

Wednesday15 July 2026

☀️37°clear sky

sunrise 06:44 · sunset 20:35 · night 32° · evening 38° · rain 0.69 mm · humidity 30% · wind 7 m/s · clouds 9%

Thursday16 July 2026

☁️35°broken clouds

sunrise 06:45 · sunset 20:35 · night 30° · evening 37° · humidity 33% · wind 7 m/s · clouds 75%

Friday17 July 2026

☀️35°clear sky

sunrise 06:45 · sunset 20:35 · night 30° · evening 36° · humidity 35% · wind 9 m/s · clouds 5%

Saturday18 July 2026

☁️36°overcast clouds

sunrise 06:46 · sunset 20:34 · night 31° · evening 37° · rain 0.39 mm · humidity 31% · wind 6 m/s · clouds 98%

Sunday19 July 2026

🌤️38°a few clouds

sunrise 06:46 · sunset 20:34 · night 32° · evening 40° · humidity 21% · wind 6 m/s · clouds 16%

Monday20 July 2026

🌤️39°scattered clouds

sunrise 06:47 · sunset 20:33 · night 32° · evening 41° · humidity 21% · wind 7 m/s · clouds 31%

Tuesday21 July 2026

☀️38°clear sky

sunrise 06:47 · sunset 20:33 · night 30° · evening 40° · rain 0.27 mm · humidity 25% · wind 8 m/s · clouds 90%

Wednesday22 July 2026

☀️39°clear sky

sunrise 06:48 · sunset 20:32 · night 30° · evening 40° · humidity 23% · wind 8 m/s · clouds 7%

☀️ UV index in San Antonio - is it safe to sunbathe?

Today the UV index in San Antonio is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Air quality and smog in San Antonio

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Detroit	17.3	17.6	good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-07, 21:00).

San Antonio weather through the year

Warmest, driest months on average: January, February, March, April.

🎉 Public holidays in San Antonio - when are the long weekends?

Next long weekend in San Antonio: Labour Day (7 September, Monday) - Saturday–Monday (3 days off).

7 SeptemberMonday

Labour Day

🎈 long weekend

11 NovemberWednesday

Veterans Day

26 NovemberThursday

Thanksgiving Day

🎈 long weekend + bridge day

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

18 JanuaryMonday 2027

Martin Luther King, Jr. Day

🎈 long weekend

15 FebruaryMonday 2027

Presidents Day

🎈 long weekend

31 MayMonday 2027

Memorial Day

🎈 long weekend

18 JuneFriday 2027

Juneteenth National Independence Day

🎈 long weekend

5 JulyMonday 2027

Independence Day

🎈 long weekend

6 SeptemberMonday 2027

Labour Day

🎈 long weekend

11 NovemberThursday 2027

Veterans Day

🎈 long weekend + bridge day

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

HoustonDallasMonterreyOklahoma City

FAQ - San Antonio weather

What is the weather like in San Antonio today?

Today it is about 34° during the day and 30° at night, scattered clouds.

How far ahead can I check the forecast for San Antonio?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.