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| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Fog And Drizzle | Drizzle | Mostly Cloudy | Mostly Cloudy | Chance of Rain | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Chance of Rain | Chance of Rain |
| Hi: 61°FHi: 16°C | Lo: 44°FLo: 7°C | Hi: 66°FHi: 19°C | Lo: 47°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 63°FHi: 17°C | Lo: 40°FLo: 4°C | Hi: 64°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 64°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 66°FHi: 19°C | Hi: 67°FHi: 19°C Lo: 44°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Mon Oct 19 2026 
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Issued: 123 AM PDT Mon Oct 19 2026
Key Messages
- Colder temperatures with chances for interior frost this week.
- Chances for isolated light showers and rain this week, particularly in southern and eastern Mendocino, Trinity, and Lake counties.
Discussion
...Low coastal clouds and foggy conditions will erode behind a frontal passage. As an area of low pressure approaches the area, high and mid level clouds will gradually increase resulting in mostly cloudy conditions for the entire forecast area.
There is high confidence that this area ...