SAN ANTONIO, TX 78260 Weather Forecast & Current Conditions
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  78260 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

SAN ANTONIO, TX
Current Weather
5:51 AM CDT MAY 18, 2026
Overcast
79°F
Feels Like: 82°F
Dewpoint: 73°F
Rel. Hum.: 82%
Visibility: 10 miles
Wind: SE at 10 mph
Pressure: 29.83 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  78260 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

SAN ANTONIO, TX 78260
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Cloudy this morning, then becoming partly cloudy. Highs in the lower 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
TONIGHT
Partly cloudy in the evening, then becoming cloudy. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY
Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows in the lower 70s. Southeast winds 10 to 15 mph. Chance of rain 70 percent.
WEDNESDAY
Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. East winds 5 to 10 mph. Chance of rain 60 percent.
WEDNESDAY NIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 70 percent.
THURSDAY
Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the lower 80s. Chance of rain 90 percent.
THURSDAY NIGHT
Becoming cloudy after midnight. A chance of thunderstorms. Showers. Lows in the upper 60s. Chance of rain 80 percent.
FRIDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.
FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent.
SATURDAY
Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.
SUNDAY
Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.

  78260 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SAN ANTONIO, TX 78260
Infrared Weather Satellite
SAN ANTONIO, TX 78260
  78260 WEATHER RADAR LOOP
NEXRAD Weather Radar
SAN ANTONIO, TX 78260
 MOS COMPUTER WEATHER FORECAST

SAN ANTONIO, TX 3 hourly weather forecast
weather forecast created  7:00 PM CDT  5/17/2026
Monday
18 MAY 2026		 SAN ANTONIO, TX 78260 weather forecast Day 1, 0 hours 1 AM 79° 82° Mostly Cloudy 12%
RAIN
.1–.25 in		 0% Thunder
( 22% severe)		 SE   16 82% 73°
Low 77° SAN ANTONIO, TX 78260 weather forecast Day 1, 3 hours 4 AM 79° 82° Mostly Cloudy SSE   15 82% 73°
High 92° SAN ANTONIO, TX 78260 weather forecast Day 1, 6 hours 7 AM 78° 80° Mostly Cloudy 8%

 0% Thunder
( 22% severe)		 SSE   14 85% 73°

Mostly Cloudy




Breezy		 SAN ANTONIO, TX 78260 weather forecast Day 1, 9 hours 10 AM 80° 83° Mostly Cloudy SSE   16 74% 71°
SAN ANTONIO, TX 78260 weather forecast Day 1, 12 hours 1 PM 87° 92° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 19% severe)		 SSE   18 57% 70°
SAN ANTONIO, TX 78260 weather forecast Day 1, 15 hours 4 PM 91° 97° Mostly Cloudy SSE   18 50% 70°
SAN ANTONIO, TX 78260 weather forecast Day 1, 18 hours 7 PM 87° 92° Partly Cloudy 14%
RAIN
.01–.1 in		 0% Thunder
( 39% severe)		 SE   17 57% 70°
SAN ANTONIO, TX 78260 weather forecast Day 1, 21 hours 10 PM 81° 85° Mostly Cloudy SE   16 74% 72°
Tuesday
19 MAY 2026		 SAN ANTONIO, TX 78260 weather forecast Day 2, 0 hours 1 AM 79° 82° Mostly Cloudy 6%

 0% Thunder
( 29% severe)		 SE   14 82% 73°
Low 78° SAN ANTONIO, TX 78260 weather forecast Day 2, 3 hours 4 AM 79° 82° Mostly Cloudy SSE   14 82% 73°
High 91° SAN ANTONIO, TX 78260 weather forecast Day 2, 6 hours 7 AM 78° 80° Mostly Cloudy 6%

 0% Thunder
( 31% severe)		 SSE   12 85% 73°

Mostly Cloudy

Rain Likely

 SAN ANTONIO, TX 78260 weather forecast Day 2, 9 hours 10 AM 81° 86° Mostly Cloudy SSE   14 77% 73°
SAN ANTONIO, TX 78260 weather forecast Day 2, 12 hours 1 PM 86° 92° Mostly Cloudy 54%
RAIN
***		 0% Thunder
( 40% severe)		 SE   14 63% 72°
SAN ANTONIO, TX 78260 weather forecast Day 2, 15 hours 4 PM 90° 96° Mostly Cloudy SE   14 54% 71°
SAN ANTONIO, TX 78260 weather forecast Day 2, 18 hours 7 PM 84° 88° Partly Cloudy 57%
RAIN
***		 0% Thunder
( 47% severe)		 SE   17 63% 70°
SAN ANTONIO, TX 78260 weather forecast Day 2, 21 hours 10 PM 77° 79° Mostly Cloudy ESE   14 79% 70°

SAN ANTONIO, TX extended weather forecast
Wednesday
20 MAY 2026		 Thursday
21 MAY 2026		 Friday
22 MAY 2026		 Saturday
23 MAY 2026		 Sunday
24 MAY 2026
Low 74° Low 70° Low 67° Low 70° Low 68°
High 89° High 83° High 89° High 81° High 86°
SAN ANTONIO, TX 78260 weather forecast Day 3 SAN ANTONIO, TX 78260 weather forecast Day 4 SAN ANTONIO, TX 78260 weather forecast Day 5 SAN ANTONIO, TX 78260 weather forecast Day 6 SAN ANTONIO, TX 78260 weather forecast Day 7
Overcast
75% Rain		 Overcast
72% Rain		 Overcast
46% Rain		 Overcast
44% Rain		 Overcast
34% Rain
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