Marine Weather Net

San Antonio, TX Weather Forecast




San Antonio, Texas

 Lat: 29.46N, Lon: 98.51W

Current Conditions Updated: 905 AM CDT FRI AUG 14 2026

Overcast
Temp: 82°F
  • Humidity:
  • 78%
  • Winds:
  • 12 MPH SSE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.03 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 88°F

  • Sunrise:
  • 7:00 AM CDT
  • Sunset:
  • 8:14 PM CDT
  • Moonrise:
  • 9:00 AM CDT
  • Moonset:
  • 9:33 PM CDT

TODAY

CHANCE OF T-STORM
Hi: 99°F
Lo: 79°F
Precip: 20%

SATURDAY

PARTLY CLOUDY
Hi: 99°F
Lo: 75°F

SUNDAY

CLEARING

Hi: 99°F
Lo: 75°F

TUESDAY

MOSTLY SUNNY
Hi: 99°F
Lo: 79°F
Weather Forecast In Detail:
Forecast Issued: 706 AM CDT Fri Aug 14 2026

Today...Partly cloudy. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Tonight...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. Highs in the upper 90s. Southeast winds 10 to 15 mph. Highest heat index readings up to 105.
Saturday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph.
Sunday...Partly cloudy in the morning, then clearing. Highs in the upper 90s. Southeast winds 5 to 10 mph. Highest heat index readings up to 105.
Sunday Night And Monday...Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 105.
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 upper 70s.
Wednesday...Partly cloudy in the morning, then clearing. Hot with highs around 100.
Wednesday Night...Clear. Lows in the mid 70s.
Thursday...Partly cloudy in the morning, then clearing. Hot with highs around 100.
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