Weather WorldAtherton Park, CA Weather Forecast
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Atherton Park Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of Rain | Clearing | Patchy Fog | Chance of Rain | Rain | Chance of Rain | Chance of Rain | Partly Cloudy | Mostly Clear |
| Hi: 77°FHi: 25°C | Lo: 52°FLo: 11°C | Hi: 66°FHi: 19°C | Lo: 47°FLo: 8°C | Hi: 65°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 65°FHi: 18°C | Lo: 48°FLo: 9°C | Hi: 59°FHi: 15°C | Lo: 43°FLo: 6°C | Hi: 60°FHi: 16°C | Lo: 42°FLo: 6°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 102 AM PST Thu Nov 12 2026 
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Issued: 256 AM PST Thu Nov 12 2026
Key Messages
- Dry weather, above normal temperatures, and periodically breezy north to east winds through Thursday
- A series of storm systems will bring widespread rain, moderate to heavy rain and snow in the mountains, and gusty to strong southerly winds Friday into early next week
- Winter Storm Watch in effect from Friday morning through Monday afternoon for the Sierra and Lassen National Park above 6000`
- Wind Advisory is in effect from 4 am to 7 pm PST Friday for the northern Sacramento Valley an...