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Casterlin School Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of Rain | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Rain | Chance of Rain | Mostly Clear | Mostly Clear |
| Hi: 54°FHi: 12°C | Lo: 37°FLo: 3°C | Hi: 56°FHi: 13°C | Lo: 37°FLo: 3°C | Hi: 54°FHi: 12°C | Lo: 36°FLo: 2°C | Hi: 53°FHi: 12°C | Lo: 35°FLo: 2°C | Hi: 52°FHi: 11°C Lo: 36°FLo: 2°C | Hi: 52°FHi: 11°C Lo: 36°FLo: 2°C | Hi: 57°FHi: 14°C Lo: 38°FLo: 3°C | Hi: 57°FHi: 14°C Lo: 38°FLo: 3°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 137 AM PDT Tue Oct 27 2026 
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Issued: 323 PM PDT Mon Oct 26 2026
Key Messages
- A few light showers are expected Tuesday morning in Del Norte and northern Humboldt counties.
- Valleys of Lake county are forecast to see near freezing or freezing temperatures again Tuesday morning.
- Minor coastal flooding expected through Thursday at high tide, mainly around Humboldt Bay.
Discussion
...A weak front moved through last night bringing some light to moderate rain to Humboldt and Del Norte counties. Showers are lingering this afternoon over the higher terrain, but are expec...