Marine Weather Net

Port Costa, CA Weather Forecast




Crockett, California

 Lat: 38.05N, Lon: 122.21W

Current Conditions Updated: 1253 PM PDT SUN JUN 7 2026

Clear


Temp: 76°F
  • Humidity:
  • 30%
  • Winds:
  • 3 MPH VRB
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.83 in.
  • Dewpoint:
  • 43°F
  • Heat index:
  • 77°F

  • Sunrise:
  • 5:44 AM PDT
  • Sunset:
  • 8:28 PM PDT
  • Moonrise:
  • 1:01 AM PDT
  • Moonset:
  • 12:24 PM PDT

REST OF TODAY

SUNNY

Hi: 81°F
Lo: 53°F

MONDAY

PARTLY CLOUDY
Hi: 75°F
Lo: 59°F

TUESDAY

SUNNY

Hi: 80°F
Lo: 55°F

WEDNESDAY

CLEAR

Hi: 95°F
Lo: 61°F
Weather Forecast In Detail:
Forecast Issued: 1102 AM PDT Sun Jun 07 2026

Rest Of Today...Sunny. Highs in the lower 80s. West winds 5 to 15 mph.
Tonight...Mostly clear in the evening then becoming partly cloudy. Lows in the lower to mid 50s. Southwest winds 5 to 15 mph.
Monday...Partly cloudy. Highs in the mid 70s to lower 80s. Southwest winds 5 to 10 mph...Becoming west 10 to 20 mph in the afternoon.
Monday Night...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. West winds 15 to 20 mph...Becoming southwest 5 to 10 mph after midnight.
Tuesday...Mostly cloudy in the morning then becoming sunny. Highs near 80. West winds 5 to 10 mph.
Tuesday Night...Clear. Lows in the mid 50s.
Wednesday...Clear. Highs in the 90s. Lows in the lower 60s. && temperature / precipitation concord 83 52 79 / livermore 81 50 75 /
Thursday...Clear. Highs in the 90s. Lows in the lower 60s. && temperature / precipitation concord 83 52 79 / livermore 81 50 75 /
Friday...Clear. Highs in the 90s. Lows in the lower 60s. && temperature / precipitation concord 83 52 79 / livermore 81 50 75 /
Saturday...Clear. Highs in the 90s. Lows in the lower 60s. && temperature / precipitation concord 83 52 79 / livermore 81 50 75 /
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