Marine Weather Net

San Antonio, TX Weather Forecast




San Antonio, Texas

 Lat: 29.46N, Lon: 98.51W

Current Conditions Updated: 155 PM CDT TUE SEP 23 2025

Partly Cloudy
Temp: 99°F
  • Humidity:
  • 35%
  • Winds:
  • 7 MPH ESE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.85 in.
  • Dewpoint:
  • 67°F
  • Heat index:
  • 103°F

  • Sunrise:
  • 7:21 AM CDT
  • Sunset:
  • 7:28 PM CDT
  • Moonrise:
  • 8:59 AM CDT
  • Moonset:
  • 8:23 PM CDT

TONIGHT

PARTLY CLOUDY
Lo: 75°F

WEDNESDAY

CHANCE OF T-STORM
Hi: 95°F
Lo: 71°F
Precip: 50%

THURSDAY

CHANCE OF T-STORM
Hi: 89°F
Lo: 69°F
Precip: 50%

FRIDAY

SUNNY

Hi: 90°F
Lo: 69°F
Weather Forecast In Detail:
Forecast Issued: 108 PM CDT Tue Sep 23 2025

Tonight...Clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph.
Wednesday...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. South winds around 5 mph, becoming north with gusts up to 20 mph in the afternoon. Chance of rain 50 percent.
Wednesday Night...Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly cloudy with showers and thunderstorms likely after midnight. Lows in the lower 70s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
Thursday...Partly cloudy. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. North winds 5 to 10 mph. Chance of rain 50 percent.
Thursday Night...Mostly clear. Lows in the upper 60s. Northeast winds around 5 mph.
Friday...Sunny. Highs around 90.
Friday Night And Saturday...Mostly clear. Lows in the mid 60s. Highs in the lower 90s.
Saturday Night...Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.
Sunday...Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.
Monday...Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.
Tuesday...Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.
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