Marine Weather Net

Antioch, CA Weather Forecast




Antioch, California

 Lat: 38.01N, Lon: 121.8W

Current Conditions Updated: 553 AM PDT THU MAY 21 2026

Clear


Temp: 55°F
  • Humidity:
  • 89%
  • Winds:
  • 3 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.86 in.
  • Dewpoint:
  • 52°F
  • Heat index:
  • 55°F

  • Sunrise:
  • 5:50 AM PDT
  • Sunset:
  • 8:14 PM PDT
  • Moonrise:
  • 10:51 AM PDT
  • Moonset:
  • 12:48 AM PDT

TODAY

SUNNY

Hi: 91°F
Lo: 55°F

FRIDAY

SUNNY

Hi: 85°F
Lo: 51°F

SATURDAY

SUNNY

Hi: 80°F
Lo: 51°F

SUNDAY

SUNNY

Hi: 75°F
Lo: 51°F
Weather Forecast In Detail:
Forecast Issued: 604 AM PDT Thu May 21 2026

Today...Sunny. Highs in the lower 90s. West winds up to 5 mph increasing to 5 to 15 mph in the afternoon.
Tonight...Clear. Lows in the mid 50s. West winds 5 to 15 mph.
Friday...Sunny. Highs in the 80s. West winds 5 to 15 mph.
Friday Night...Mostly clear. Lows in the lower 50s. West winds 5 to 15 mph.
Saturday...Sunny. Highs in the upper 70s to mid 80s. West winds 5 to 15 mph.
Saturday Night...Mostly clear. Lows in the lower 50s.
Sunday...Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to lower 80s.
Sunday Night...Mostly clear. Lows in the lower 50s.
Memorial Day Through Tuesday...Partly cloudy. Highs in the 70s. Lows in the upper 40s to mid 50s.
Tuesday Night And Wednesday...Mostly clear. Lows in the upper 40s to mid 50s. Highs in the upper 70s. && temperature / precipitation concord 92 53 86 / livermore 90 53 86 /
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