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Upper Boulder Lake, CA 7-Day Night Weather Forecast
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Upper Boulder Lake, CA Weather Forecast
Upper Boulder Lake, CA Weather Forecast Date: 244 AM PDT Sat Oct 10 2026
The area/counties/county of: Western Siskiyou County, including the cities of: Somes Bar, Happy Camp, Callahan, Etna, Fort Jones, Greenview, and Scott Bar.or toggle through each period.
Today... Sunny. Highs in the mid 50s to mid 60s. North winds 10 to 15 mph.
Tonight... Clear. Lows in the lower 30s to lower 40s. Northeast winds 10 to 15 mph.
Sunday... Sunny. Widespread frost in the morning. Highs in the mid 50s to mid 60s. Northeast winds 10 to 15 mph.
Sunday Night... Clear. Lows in the lower 30s to lower 40s. Northeast winds 10 to 15 mph.
Columbus Day... Sunny. Widespread frost in the morning. Highs in the mid 50s to mid 60s. East winds 5 to 10 mph shifting to the north late in the afternoon.
Monday Night... Clear. Lows in the mid 30s to lower 40s.
Tuesday... Mostly clear. Highs in the lower 60s to lower 70s. Lows in the mid 30s to mid 40s.
Tuesday Night... Mostly clear. Highs in the lower 60s to lower 70s. Lows in the mid 30s to mid 40s.
Wednesday... Mostly clear. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s.
Wednesday Night... Mostly clear. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s.
Thursday... Sunny. Highs in the lower 70s to lower 80s.
Thursday Night... Clear. Lows in the mid 40s to mid 50s. Highs in the lower 70s to lower 80s.
POP = Probability of Precipitation
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