Weather WorldUpper Boulder Lake, CA 7-Day Weather Forecast
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Upper Boulder Lake Weather Forecast
Upper Boulder Lake, CA Weather Forecast Date: 239 PM PDT Sat Aug 22 2026
Weather forecast for Upper Boulder Lake, CA
Tonight Lo: 53°F Lo: 12°C |
Tonight... Clear. Lows in the lower to mid 50s. West winds 5 to 10 mph shifting to the northeast well after midnight. |
Sun Hi: 86°FHi: 30°C Lo: 56°F Lo: 13°C |
Sunday... Sunny. Highs in the lower 80s to lower 90s. Northeast winds around 5 mph shifting to the north late in the afternoon. |
| Mon Hi: 90°FHi: 32°C Lo: 56°F Lo: 13°C |
Monday... Sunny. Highs in the mid 80s to mid 90s. Southeast winds 5 to 10 mph shifting to the southwest late in the afternoon. |
| Tue Hi: 86°FHi: 30°C Lo: 56°F Lo: 13°C |
Tuesday... Mostly clear. Highs in the lower 80s to lower 90s. Lows in the mid 50s to lower 60s. |
| Wed Hi: 86°FHi: 30°C Lo: 56°F Lo: 13°C |
Wednesday... Mostly clear. Highs in the lower 80s to lower 90s. Lows in the mid 50s to lower 60s. |
| Wed Hi: 86°FHi: 30°C Lo: 53°F Lo: 12°C |
Wednesday... Mostly clear. Highs in the lower 80s to lower 90s. Lows in the mid 50s to lower 60s. |
| Thu Hi: 86°FHi: 30°C Lo: 53°F Lo: 12°C |
Thursday... Mostly clear. Lows in the lower to mid 50s. Highs in the lower 80s to lower 90s. |
| Thu Hi: 86°FHi: 30°C Lo: 53°F Lo: 12°C |
Thursday... Mostly clear. Lows in the lower to mid 50s. Highs in the lower 80s to lower 90s. |
| Fri Hi: 86°FHi: 30°C Lo: 53°F Lo: 12°C |
Friday... Mostly clear. Highs in the lower 80s to lower 90s. Lows in the lower to mid 50s. |
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