Marine Weather Net

Brentwood, CA Weather Forecast




Brentwood, California

 Lat: 34.05N, Lon: 118.47W

Current Conditions Updated: 951 AM PDT MON SEP 21 2026

Overcast
Temp: 71°F
  • Humidity:
  • 68%
  • Winds:
  • 6 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.96 in.
  • Dewpoint:
  • 60°F
  • Heat index:
  • 75°F

  • Sunrise:
  • 6:39 AM PDT
  • Sunset:
  • 6:52 PM PDT
  • Moonrise:
  • 4:17 PM PDT
  • Moonset:
  • 1:36 AM PDT

TODAY

MOSTLY CLOUDY
Hi: 75°F
Lo: 63°F

TUESDAY

PARTLY CLOUDY
Hi: 80°F
Lo: 63°F

WEDNESDAY

SUNNY

Hi: 87°F
Lo: 69°F

THURSDAY

SUNNY

Hi: 87°F
Lo: 70°F
Weather Forecast In Detail:
Forecast Issued: 900 AM PDT Mon Sep 21 2026

Today...Mostly cloudy. Highs in the mid 70s to lower 80s.
Tonight...Mostly clear in the evening then areas of low clouds and fog. Lows in the lower to mid 60s.
Tuesday...Low clouds and fog in the morning then partly cloudy. Highs in the mid 70s to mid 80s.
Tuesday Night...Mostly clear in the evening then partly cloudy. Lows in the lower to mid 60s.
Wednesday...Areas of low clouds and fog in the morning then sunny. Highs in the mid to upper 80s.
Wednesday Night...Mostly clear in the evening then partly cloudy. Lows in the upper 60s.
Thursday...Areas of low clouds and fog in the morning then sunny. Highs in the mid to upper 80s.
Thursday Night...Mostly clear in the evening then partly cloudy. Lows around 70.
Friday...Partly cloudy in the morning then sunny. Highs in the mid 80s to around 90.
Friday Night...Mostly clear in the evening then partly cloudy. Lows around 70.
Saturday...Partly cloudy in the morning then sunny. Highs in the mid 80s to around 90.
Saturday Night...Mostly clear in the evening then partly cloudy. Lows in the upper 60s.
Sunday...Partly cloudy in the morning then sunny. Highs in the lower to mid 80s.
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