SAN ANTONIO, TX 78243 Weather Forecast & Current Conditions

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KELLY AFB, TX
Current Weather

9:55 AM CDT JUN 17, 2026
Scattered Clouds
81°F
Feels Like: 85°F
Dewpoint: 72°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: NE at 9 mph
Pressure: 29.71 inches
Last 72 hours

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SAN ANTONIO, TX 78243
Weather Forecast

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TODAY
Partly cloudy this morning, then clearing. Highs in the lower 90s. North winds around 5 mph, becoming south this afternoon. Highest heat index readings up to 105 this afternoon.
TONIGHT
Clear in the evening, then becoming partly cloudy. Lows in the upper 70s. South winds 5 to 10 mph.
THURSDAY
Partly cloudy. Humid with highs in the upper 90s. Southeast winds 10 to 15 mph. Highest heat index readings up to 113.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. Highest heat index readings up to 111 early in the evening.
JUNETEENTH
Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph. Highest heat index readings up to 109.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs around 90. Chance of rain 50 percent. Highest heat index readings up to 105.
SUNDAY AND SUNDAY NIGHT
Partly cloudy. Highs in the lower 90s. Lows in the upper 70s. Highest heat index readings up to 105.
MONDAY
Partly cloudy in the morning, then clearing. Highs in the mid 90s. Highest heat index readings up to 105.
MONDAY NIGHT AND TUESDAY
Partly cloudy. Lows in the mid 70s. Highs in the mid 90s.

Visible Weather Satellite
SAN ANTONIO, TX 78243
Infrared Weather Satellite
SAN ANTONIO, TX 78243
NEXRAD Weather Radar
SAN ANTONIO, TX 78243

KELLY AFB, TX 3 hourly weather forecast

weather forecast created  5:00 PM PDT  6/16/2026
Wednesday
17 JUN 2026
SAN ANTONIO, TX 78243 weather forecast Day 1, 0 hours 1 AM 76° 76° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 90% 73°
Low 73° SAN ANTONIO, TX 78243 weather forecast Day 1, 3 hours 4 AM 75° 75° Partly Cloudy   CALM 90% 72°
High 93° SAN ANTONIO, TX 78243 weather forecast Day 1, 6 hours 7 AM 74° 74° Partly Cloudy 0%

0% Thunder
( 3% severe)
  CALM 93% 72°

Partly Cloudy



SAN ANTONIO, TX 78243 weather forecast Day 1, 9 hours 10 AM 80° 84° Partly Cloudy   CALM 77% 72°
SAN ANTONIO, TX 78243 weather forecast Day 1, 12 hours 1 PM 87° 94° Partly Cloudy 0%

0% Thunder
( 11% severe)
  CALM 63% 73°
SAN ANTONIO, TX 78243 weather forecast Day 1, 15 hours 4 PM 92° 100° Clear S   5 52% 72°
SAN ANTONIO, TX 78243 weather forecast Day 1, 18 hours 7 PM 92° 100° Clear 0%

0% Thunder
( 6% severe)
S   9 52% 72°
SAN ANTONIO, TX 78243 weather forecast Day 1, 21 hours 10 PM 85° 92° Clear SSE   8 67% 73°
Thursday
18 JUN 2026
SAN ANTONIO, TX 78243 weather forecast Day 2, 0 hours 1 AM 81° 86° Clear 0%

0% Thunder
( 5% severe)
SSE   9 79% 74°
Low 78° SAN ANTONIO, TX 78243 weather forecast Day 2, 3 hours 4 AM 79° 83° Partly Cloudy SSE   8 85% 74°
High 98° SAN ANTONIO, TX 78243 weather forecast Day 2, 6 hours 7 AM 78° 80° Mostly Cloudy 0%

0% Thunder
( 8% severe)
SE   7 88% 74°

Mostly Cloudy



SAN ANTONIO, TX 78243 weather forecast Day 2, 9 hours 10 AM 85° 95° Mostly Cloudy SSE   9 75% 76°
SAN ANTONIO, TX 78243 weather forecast Day 2, 12 hours 1 PM 93° 106° Partly Cloudy 0%

0% Thunder
( 16% severe)
SSE   12 58% 76°
SAN ANTONIO, TX 78243 weather forecast Day 2, 15 hours 4 PM 97° 110° Partly Cloudy SSE   13 50% 75°
SAN ANTONIO, TX 78243 weather forecast Day 2, 18 hours 7 PM 96° 108° Partly Cloudy 2%

0% Thunder
( 13% severe)
SE   14 51% 75°
SAN ANTONIO, TX 78243 weather forecast Day 2, 21 hours 10 PM 89° 102° Partly Cloudy SE   13 68% 77°

KELLY AFB, TX extended weather forecast

Friday
19 JUN 2026
Saturday
20 JUN 2026
Sunday
21 JUN 2026
Monday
22 JUN 2026
Tuesday
23 JUN 2026
Low 81° Low 79° Low 77° Low 77° Low 75°
High 93° High 94° High 97° High 95° High 94°
SAN ANTONIO, TX 78243 weather forecast Day 3 SAN ANTONIO, TX 78243 weather forecast Day 4 SAN ANTONIO, TX 78243 weather forecast Day 5 SAN ANTONIO, TX 78243 weather forecast Day 6 SAN ANTONIO, TX 78243 weather forecast Day 7
Mostly Cloudy
8% Rain
Partly Cloudy
24% Rain
Partly Cloudy
24% Rain
Partly Cloudy
10% Rain
Partly Cloudy
16% Rain
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