Marine Weather Net

San Mateo, CA Weather Forecast




San Mateo, California

 Lat: 37.56N, Lon: 122.32W

Current Conditions Updated: 1256 AM PST FRI DEC 12 2025

Clear


Temp: 48°F
  • Humidity:
  • 89%
  • Winds:
  • 10 MPH NNE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.09 in.
  • Dewpoint:
  • 45°F
  • Heat index:
  • 48°F

  • Sunrise:
  • 7:13 AM PST
  • Sunset:
  • 4:50 PM PST
  • Moonrise:
  • 12:27 AM PST
  • Moonset:
  • 12:40 PM PST

TONIGHT

MOSTLY CLEAR
Lo: 45°F

FRIDAY

SUNNY

Hi: 61°F
Lo: 45°F

SATURDAY

SUNNY

Hi: 63°F
Lo: 45°F

SUNDAY

SUNNY

Hi: 63°F
Lo: 50°F
Weather Forecast In Detail:
Forecast Issued: 901 PM PST Thu Dec 11 2025

Rest Of Tonight...Mostly clear. Lows in the mid 40s. North winds 5 to 10 mph.
Friday...Sunny. Highs in the lower 60s. North winds 5 to 10 mph.
Friday Night...Mostly clear. Lows in the mid 40s. Northeast winds 5 to 10 mph.
Saturday...Sunny. Highs in the lower to mid 60s. North winds around 5 mph...Becoming northwest in the afternoon.
Saturday Night...Mostly clear except patchy fog after midnight. Lows in the mid 40s. Northwest winds around 5 mph in the evening...Becoming light.
Sunday...Partly cloudy in the morning then becoming sunny. Patchy fog. Highs in the lower to mid 60s.
Sunday Night And Monday...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s.
Monday Night...Mostly cloudy. A slight chance of rain. Lows in the lower 50s.
Tuesday And Tuesday Night...Mostly cloudy. A chance of rain. Highs in the 60s. Lows in the mid 50s.
Wednesday And Wednesday Night...Mostly cloudy. A slight chance of rain. Highs in the lower 60s. Lows around 50.
Thursday...Mostly cloudy. A chance of rain. Highs in the lower 60s. && temperature / precipitation sfo airport 46 59 45 60 / oakland 42 61 42 61 / fremont 43 62 43 64 / redwood city 45 63 44 65 / mountain view 45 61 44 62 /
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