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Diamond Park Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY |
 |  |  |  | | | | | | | |
| Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Clear | Clear | Clear |
| Hi: 93°FHi: 34°C | Lo: 64°FLo: 18°C | Hi: 93°FHi: 34°C | Lo: 65°FLo: 18°C | Hi: 96°FHi: 36°C | Lo: 65°FLo: 18°C | Hi: 95°FHi: 35°C | Lo: 66°FLo: 19°C | Hi: 96°FHi: 36°C Lo: 66°FLo: 19°C | Hi: 96°FHi: 36°C Lo: 66°FLo: 19°C | Hi: 96°FHi: 36°C Lo: 66°FLo: 19°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 AM PDT Thu Oct 01 2026 
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Issued: 1153 AM PDT Thu Oct 1 2026
Key Messages
- Heat Advisory will go into effect 11 AM Sat - 5 PM Mon (10/3 through 10/5) for portions of the Sacramento Valley, Delta, northern San Joaquin Valley, and adjacent foothills.
- High temperatures, 10-20 degrees above normal, will lead to widespread Moderate HeatRisk in the Delta, Valley, and foothills Today - Tuesday, with areas of Major HeatRisk.
Discussion
...
...Today & Friday (10/01-10/02)... High pressure aloft will be the headline for at least the next 7 days, with continued dry and h...