Summit Reservoir, CA 7-Day Night Weather Forecast
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Summit Reservoir, CA Weather Forecast


Summit Reservoir, CA Weather Forecast Date: 128 AM PDT Tue Oct 27 2026
The area/counties/county of: Catalina And Santa Barbara Islands, including: Avalon.or toggle through each period.
Today... Sunny in the morning then partly cloudy. Highs in the upper 60s to mid 70s.
Tonight... Cloudy. Patchy fog after midnight. Lows in the 50s to lower 60s.
Wednesday... Low clouds and fog. Highs in the upper 60s to mid 70s.
Wednesday Night... Mostly cloudy. Lows in the 50s to lower 60s.
Thursday... Mostly cloudy. Highs in the mid 60s to mid 70s.
Thursday Night... Mostly cloudy. Lows in the mid 50s to around 60.
Friday... Mostly cloudy in the morning then partly cloudy. A 20% chance of showers. Highs in the 60s.
Friday Night... Partly cloudy with a slight chance of showers in the evening, becoming mostly cloudy with a chance of showers after midnight. Lows in the 50s to around 60. Chance of precipitation 30%.
Saturday... Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower to mid 60s. Chance of precipitation 30%.
Saturday Night... A chance of showers in the evening, then showers likely after midnight. Lows in the 50s to around 60. Chance of precipitation 60%.
Sunday... Mostly cloudy with a 50% chance of showers. Highs in the mid to upper 60s.
Sunday Night... Partly cloudy with a 20% chance of showers in the evening, becoming mostly clear after midnight. Lows in the mid 50s to around 60.
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