Weather WorldBoulder Lake, CA Weather Forecast
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Boulder Lake Weather Forecast
| TODAY | TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
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| Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Clear | Clear | Sunny |
| Hi: 60°FHi: 16°C | Lo: 34°FLo: 1°C | Hi: 61°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 71°FHi: 22°C | Lo: 42°FLo: 6°C | Hi: 76°FHi: 24°C | Hi: 81°FHi: 27°C Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 49°FLo: 9°C | Hi: 77°FHi: 25°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Sun Oct 11 2026 
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Issued: 1226 AM PDT Sun Oct 11 2026
Key Messages
- Strong northeast winds will persist Sunday with gusts over 30 mph along exposed ridges and headlands in Humboldt and Del Norte.
- Clear skies and cool air will enable extensive frost and freezing conditions in Trinity and Interior Humboldt Monday morning.
- More seasonable conditions this week but no wetting rain forecast for the next 10 days.
Discussion
...A strong cold front has passed east of the area over the last 24 hours. As the upper level trough associated with the front continues ...