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Greenfair Park Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY |
 |  | | | |  |  | | | | |
| Sunny | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Chance of Rain | Chance of Rain | Mostly Clear | Clear | Clear | Sunny |
| Hi: 92°FHi: 33°C | Lo: 58°FLo: 14°C | Hi: 76°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 68°FHi: 20°C | Lo: 50°FLo: 10°C | Hi: 68°FHi: 20°C | Lo: 48°FLo: 9°C | Hi: 74°FHi: 23°C Lo: 50°FLo: 10°C | Hi: 74°FHi: 23°C Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 AM PDT Fri Oct 09 2026 
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Issued: 124 PM PDT Thu Oct 8 2026
Key Messages
- Heat Advisory in effect until 10 PM tonight for the Sacramento Valley, Delta, northern San Joaquin Valley, and adjacent foothills.
- Widespread Moderate HeatRisk with areas of Major HeatRisk today for the Delta, Valley, and Foothills.
- Pattern change will bring cooler temperatures, unsettled weather beginning this weekend into early next week
Discussion
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...Today... Mostly sunny skies across interior NorCal at the time of this writing. Temperatures climbing into the 80s across Valley lo...