Glenn, CA Weather Forecast
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Glenn Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT |
| Partly Cloudy | Mostly Sunny | Patchy Fog | Patchy Fog | Chance of T-Storm | Mostly Sunny | Clear | Mostly Sunny | Mostly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy |
| Lo: 44°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 64°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 67°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 44°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 68°FHi: 20°C Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 PM PDT Thu Oct 29 2026 

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Issued: 245 PM PDT Thu Oct 29 2026
Key Messages
- Mostly dry weather conditions through today
- Chances of light rain and mountain snow returns late this evening through Friday for the Sierra
- A storm system will bring cooler temperatures, rain and mountain snow above 6000-7000 feet Saturday into Sunday
- Winter Weather Advisory in effect from 8 AM Saturday to 7 AM Sunday for elevations above 7000 feet in the Sierra Nevada
- High pressure will promote a drying and modest warming for Sunday and Monday
- Breezy north to east winds Sunday into ...
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