Weather WorldCastor Lake, WA Weather Forecast
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Castor Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY |
 | |  |  | | |  |  | |  | | |
| Hazy | Hazy | Partly Cloudy | Sunny | Partly Cloudy | Sunny | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C | Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 83°FHi: 28°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C |
| POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 210 PM PDT Sun Aug 09 2026 
Castor Lake Radar Loop
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