Weather WorldGrassmont Reservoir, CA Weather Forecast
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Grassmont Reservoir Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 | |  | |  | | |  | | | | |
| Patchy Fog | Patchy Fog | Mostly Clear | Patchy Fog | Partly Cloudy | Patchy Fog | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy |
| Lo: 64°FLo: 18°C | Hi: 84°FHi: 29°C | Lo: 66°FLo: 19°C | Hi: 88°FHi: 31°C | Lo: 67°FLo: 19°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 88°FHi: 31°C | Lo: 66°FLo: 19°C | Hi: 87°FHi: 31°C | Lo: 67°FLo: 19°C | Hi: 86°FHi: 30°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1207 PM PDT Tue Aug 04 2026 
Grassmont Reservoir Radar Loop
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