SAN ANTONIO, TX 78246 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


SAN ANTONIO, TX
Current Weather

3:51 AM CDT AUG 13, 2026
Clear
79°F
Feels Like: 82°F
Dewpoint: 72°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: SSE at 9 mph
Pressure: 29.96 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Weather Map


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2026 Hurricanes

SAN ANTONIO, TX 78246
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy this morning, then clearing. Hot with highs around 100. South winds 15 to 20 mph. Highest heat index readings up to 107.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Southeast winds 15 to 20 mph.
FRIDAY
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Highest heat index readings up to 105.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
SATURDAY
Partly cloudy in the morning, then clearing. Highs in the upper 90s. Southeast winds 10 to 15 mph. Highest heat index readings up to 107.
SATURDAY NIGHT AND SUNDAY
Partly cloudy. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 105.
SUNDAY NIGHT
Mostly clear. Lows in the mid 70s.
MONDAY
Partly cloudy in the morning, then clearing. Highs in the upper 90s.
MONDAY NIGHT
Clear. Lows in the mid 70s.
TUESDAY
Mostly sunny. Highs in the upper 90s. Highest heat index readings up to 105.
TUESDAY NIGHT
Clear. Lows in the mid 70s.
WEDNESDAY
Partly cloudy in the morning, then becoming sunny. Highs in the upper 90s.

Visible Weather Satellite
SAN ANTONIO, TX 78246
Infrared Weather Satellite
SAN ANTONIO, TX 78246
NEXRAD Weather Radar
SAN ANTONIO, TX 78246

SAN ANTONIO, TX 3 hourly weather forecast

weather forecast created  7:00 PM CDT  8/12/2026
Thursday
13 AUG 2026
SAN ANTONIO, TX 78246 weather forecast Day 1, 0 hours 1 AM 82° 87° Clear 0%

0% Thunder
( 0% severe)
SSE   16 72% 72°
Low 76° SAN ANTONIO, TX 78246 weather forecast Day 1, 3 hours 4 AM 79° 82° Partly Cloudy S   14 79% 72°
High 100° SAN ANTONIO, TX 78246 weather forecast Day 1, 6 hours 7 AM 77° 78° Mostly Cloudy 6%

0% Thunder
( 2% severe)
S   10 87% 73°

Partly Cloudy



SAN ANTONIO, TX 78246 weather forecast Day 1, 9 hours 10 AM 84° 90° Partly Cloudy S   13 70% 73°
SAN ANTONIO, TX 78246 weather forecast Day 1, 12 hours 1 PM 95° 102° Partly Cloudy 0%

0% Thunder
( 9% severe)
S   14 45% 70°
SAN ANTONIO, TX 78246 weather forecast Day 1, 15 hours 4 PM 100° 104° Partly Cloudy SSE   16 33% 66°
SAN ANTONIO, TX 78246 weather forecast Day 1, 18 hours 7 PM 96° 100° Partly Cloudy 0%

0% Thunder
( 3% severe)
SE   21 39% 67°
SAN ANTONIO, TX 78246 weather forecast Day 1, 21 hours 10 PM 86° 91° Partly Cloudy SSE   18 61% 71°
Friday
14 AUG 2026
SAN ANTONIO, TX 78246 weather forecast Day 2, 0 hours 1 AM 81° 86° Partly Cloudy 1%

0% Thunder
( 2% severe)
SSE   15 77% 73°
Low 78° SAN ANTONIO, TX 78246 weather forecast Day 2, 3 hours 4 AM 79° 83° Mostly Cloudy SSE   13 85% 74°
High 97° SAN ANTONIO, TX 78246 weather forecast Day 2, 6 hours 7 AM 79° 83° Mostly Cloudy 0%

0% Thunder
( 7% severe)
SSE   9 88% 75°

Mostly Cloudy



SAN ANTONIO, TX 78246 weather forecast Day 2, 9 hours 10 AM 84° 90° Mostly Cloudy SSE   12 70% 73°
SAN ANTONIO, TX 78246 weather forecast Day 2, 12 hours 1 PM 93° 100° Partly Cloudy 6%

0% Thunder
( 24% severe)
S   13 49% 71°
SAN ANTONIO, TX 78246 weather forecast Day 2, 15 hours 4 PM 96° 101° Mostly Cloudy SSE   15 40% 68°
SAN ANTONIO, TX 78246 weather forecast Day 2, 18 hours 7 PM 93° 98° Partly Cloudy 2%

0% Thunder
( 9% severe)
SE   18 46% 69°
SAN ANTONIO, TX 78246 weather forecast Day 2, 21 hours 10 PM 86° 91° Clear SE   17 61% 71°

SAN ANTONIO, TX extended weather forecast

Saturday
15 AUG 2026
Sunday
16 AUG 2026
Monday
17 AUG 2026
Tuesday
18 AUG 2026
Wednesday
19 AUG 2026
Low 78° Low 77° Low 78° Low 78° Low 76°
High 100° High 101° High 102° High 102° High 101°
SAN ANTONIO, TX 78246 weather forecast Day 3 SAN ANTONIO, TX 78246 weather forecast Day 4 SAN ANTONIO, TX 78246 weather forecast Day 5 SAN ANTONIO, TX 78246 weather forecast Day 6 SAN ANTONIO, TX 78246 weather forecast Day 7
Partly Cloudy
14% Rain
Partly Cloudy
11% Rain
Clear
9% Rain
Clear
10% Rain
Partly Cloudy
11% Rain
SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
San Antonio, TX
San Antonio, TX snow
San Antonio, TX radar
TX map
-or-
-or-
-or-
 
78246
78246 snow
78246 radar
 
-or-
-or-
 
 
TX
TX snow
 
 
Copyright © 2026 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions