7-Day Zone Forecast for San Miguel and Santa Rosa Islands (Text-Only)
NWS Forecast for: San Miguel and Santa Rosa Islands
Issued by: National Weather Service Los Angeles/Oxnard, CA
Last Update: 202 PM PDT Sat Sep 19 2026


Tonight: Low clouds and fog. Lows in the mid 50s to around 60. Northwest winds 20 to 30 mph in the evening.

Sunday: Low clouds and fog in the morning then mostly cloudy. Highs in the 70s to around 80.

Sunday Night: Low clouds and fog developing. Lows in the mid 50s to lower 60s.

Monday: Cloudy in the morning then partly cloudy. Highs in the upper 60s and 70s.

Monday Night: Partly cloudy except for patchy low clouds and fog. Lows in the mid 50s to lower 60s. Northwest winds 20 to 30 mph in the evening.

Tuesday: Areas of low clouds and fog in the morning then sunny. Highs in the upper 60s and 70s.

Tuesday Night: Clear except for patchy low clouds and fog. Lows in the upper 50s to mid 60s.

Wednesday: Low clouds and fog in the morning then partly cloudy. Highs in the mid 70s to mid 80s.

Wednesday Night: Mostly clear. Lows in the mid 60s to around 70.

Thursday: Partly cloudy. Highs in the mid 70s to mid 80s.

Thursday Night: Mostly clear in the evening then partly cloudy. Lows in the mid 60s to around 70.

Friday: Mostly cloudy in the morning then partly cloudy. Highs in the mid 70s to mid 80s.

Friday Night: Partly cloudy. Lows in the mid to upper 60s.

Saturday: Partly cloudy in the morning then sunny. Highs in the 70s except the mid 80s farthest interior.







Zone Forecast: San Miguel and Santa Rosa Islands

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