Marine Weather Net

San Antonio, TX Weather Forecast




San Antonio, Texas

 Lat: 29.46N, Lon: 98.51W

Current Conditions Updated: 955 AM CST SUN JAN 18 2026

Clear


Temp: 46°F
  • Humidity:
  • 26%
  • Winds:
  • 10 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.41 in.
  • Dewpoint:
  • 13°F
  • Heat index:
  • 46°F

  • Sunrise:
  • 7:28 AM CST
  • Sunset:
  • 5:58 PM CST
  • Moonrise:
  • 7:36 AM CST
  • Moonset:
  • 5:59 PM CST

TODAY

SUNNY

Hi: 60°F
Lo: 35°F

MARTIN LUTHER KING JR DAY

SUNNY

Hi: 65°F
Lo: 41°F

TUESDAY

CLOUDY
Hi: 59°F
Lo: 51°F

WEDNESDAY

CHANCE OF SHOWERS
Hi: 65°F
Lo: 49°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 906 AM CST Sun Jan 18 2026

Today...Sunny. Highs around 60. West winds 5 to 10 mph.
Tonight...Clear. Lows in the mid 30s. Southwest winds 5 to 10 mph.
Martin Luther King Jr Day...Sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon.
Monday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. East winds 5 to 10 mph.
Tuesday...Cloudy. Highs in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph, becoming east in the afternoon.
Tuesday Night...Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Not as cool with lows in the lower 50s. Chance of rain 50 percent.
Wednesday...Cloudy with a 40 percent chance of showers. Highs in the mid 60s.
Wednesday Night...Partly cloudy. Lows in the upper 40s. Highs in the mid 60s.
Thursday...Partly cloudy. Lows in the upper 40s. Highs in the mid 60s.
Friday...Cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s.
Friday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
Saturday...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 70s.
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