Weather WorldUpper Boulder Lake, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Upper Boulder Lake, CA Weather Forecast
Upper Boulder Lake, CA Weather Forecast Date: 417 AM PDT Wed Aug 12 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. Patchy smoke late this afternoon. Highs in the lower 80s to lower 90s. Northeast winds around 5 mph shifting to the northwest this afternoon.
Tonight... Clear. Patchy smoke. Lows in the mid 50s to lower 60s. North winds 5 to 10 mph shifting to the northeast after midnight.
Thursday... Sunny. Patchy smoke through the day. A 10% chance of showers in the afternoon. Highs in the mid 70s to mid 80s. East winds around 5 mph shifting to the west in the afternoon.
Thursday Night... Partly cloudy with a 20% chance of showers in the evening, then mostly clear after midnight. Lows in the mid 50s to lower 60s. West winds 5 to 10 mph shifting to the northeast after midnight.
Friday... Sunny. A 10% chance of thunderstorms in the afternoon. Highs in the mid 70s to mid 80s. East winds around 5 mph shifting to the southwest in the afternoon.
Friday Night... Partly cloudy with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 50s to lower 60s.
Saturday... Sunny. Highs in the mid 70s to mid 80s.
Saturday Night... Partly cloudy. Lows in the lower 50s to lower 60s. Highs in the mid 70s to mid 80s.
Sunday... Partly cloudy. Lows in the lower 50s to lower 60s. Highs in the mid 70s to mid 80s.
Monday... Mostly cloudy in the morning, then partly cloudy with a slight chance of rain in the afternoon. Highs in the mid 70s to mid 80s.
Monday Night... Partly cloudy with a slight chance of rain in the evening, then mostly cloudy after midnight. Lows in the mid 50s to lower 60s.
POP = Probability of Precipitation
Upper Boulder Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...