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Pecwan Union School Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT |
 |  | | | |  |  |  | | | |  |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of Rain | Chance of Rain | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Lo: 54°FLo: 12°C | Hi: 82°FHi: 28°C | Lo: 52°FLo: 11°C | Hi: 84°FHi: 29°C | Hi: 84°FHi: 29°C Lo: 53°FLo: 12°C | Hi: 84°FHi: 29°C Lo: 53°FLo: 12°C | Lo: 52°FLo: 11°C | Hi: 74°FHi: 23°C | Hi: 78°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 78°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 78°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 PM PDT Mon Sep 21 2026 
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Issued: 458 PM PDT Mon Sep 21 2026
Key Messages
- Unseasonably warm and dry conditions continue inland through Wednesday, with a 90% probability that Lake County reaches the highest temperatures across Northwest California.
- Marine clouds along the coast will slowly thin out through Tuesday evening, leading to a 50% chance of afternoon sun.
- A passing cold front brings a high chance (70-90%) of light rain to Del Norte and northern Humboldt late Thursday night into Friday, with lower probabilities (under 20%) south into Mendocino and L...