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Mumbo Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
 |  |  |  |  | | | |  | | |
| Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 82°FHi: 28°C | Lo: 54°FLo: 12°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Hi: 72°FHi: 22°C Lo: 44°FLo: 7°C | Hi: 72°FHi: 22°C Lo: 44°FLo: 7°C | Hi: 72°FHi: 22°C Lo: 44°FLo: 7°C | Hi: 78°FHi: 26°C Lo: 45°FLo: 7°C | Hi: 78°FHi: 26°C Lo: 45°FLo: 7°C | Hi: 78°FHi: 26°C Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Wed Sep 23 2026 
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Issued: 234 AM PDT Wed Sep 23 2026
Key Messages
- Near to slightly above average temperatures inland continue today with the warmest temperatures in Lake County.
- A passing cold front brings a high chance of light rain to Del Norte and northern Humboldt late Thursday night into Friday.
- Breezy winds possible late Thursday and into Friday.
- Cooler temperatures will arrive this weekend behind the front, bringing chances for isolated interior frost.
Discussion
...Light coastal drizzle has accumulated up to a few hundredths of precipitation ...