Marine Weather Net

Santa Catalina Island, CA Weather Forecast




Santa Catalina Island, California

 Lat: 33.33N, Lon: 118.33W

Current Conditions Updated: 915 PM PDT MON SEP 21 2026

Overcast
Temp: 62°F
  • Humidity:
  • 89%
  • Winds:
  • 3 MPH NNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.97 in.
  • Dewpoint:
  • 59°F
  • Heat index:
  • 62°F

  • Sunrise:
  • 6:39 AM PDT
  • Sunset:
  • 6:50 PM PDT
  • Moonrise:
  • 4:48 PM PDT
  • Moonset:
  • 2:37 AM PDT

TONIGHT

CLOUDS
Lo: 60°F

TUESDAY

PARTLY CLOUDY
Hi: 73°F
Lo: 60°F

WEDNESDAY

SUNNY

Hi: 75°F
Lo: 65°F

THURSDAY

SUNNY

Hi: 75°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 202 PM PDT Mon Sep 21 2026

Tonight...Low clouds and fog near the coast early spreading inland. Lows in the mid 50s to mid 60s.
Tuesday...Low clouds and fog in the morning then partly cloudy. Highs in the lower to mid 70s.
Tuesday Night...Low clouds and fog near the coast early spreading inland. Lows in the upper 50s to mid 60s.
Wednesday...Low clouds and fog in the morning then sunny. Highs in the mid 70s to lower 80s.
Wednesday Night...Partly cloudy. Lows in the mid 60s.
Thursday...Low clouds and fog in the morning then sunny. Highs in the mid 70s to lower 80s.
Thursday Night...Mostly clear. Lows in the mid 60s.
Friday...Partly cloudy. Highs in the upper 70s to mid 80s.
Friday Night...Partly cloudy. Lows in the mid to upper 60s.
Saturday...Partly cloudy. Highs in the upper 70s to mid 80s.
Saturday Night...Mostly clear in the evening then partly cloudy. Lows in the mid 60s.
Sunday...Partly cloudy. Highs in the mid 70s to around 80.
Sunday Night...Mostly clear in the evening then partly cloudy. Lows in the lower to mid 60s.
Monday...Partly cloudy in the morning then sunny. Highs in the mid 70s to around 80.
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