Weather WorldCastor Lake, WA 7-Day Weather Forecast
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Castor Lake Weather Forecast
Castor Lake, WA Weather Forecast Date: 825 AM PDT Sat Aug 15 2026
Weather forecast for Castor Lake, WA
Today Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Rest of Today... Partly cloudy with a chance of rain showers in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Haze and patchy smoke. Highs in the 80s. Chance of precipitation 50%. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms. |
| Sun Hi: 85°FHi: 29°C Lo: 63°F Lo: 17°C |
Sunday... Mostly cloudy with a 20% chance of rain showers. Haze and patchy smoke. Highs in the 80s. |
Mon Hi: 86°FHi: 30°C Lo: 60°F Lo: 16°C |
Monday... Mostly cloudy. Highs in the mid 80s to lower 90s. |
Tue Hi: 86°FHi: 30°C Lo: 60°F Lo: 16°C |
Tuesday... Partly cloudy. Lows in the upper 50s to mid 60s. Highs in the lower 80s to lower 90s. |
| Wed Hi: 86°FHi: 30°C Lo: 60°F Lo: 16°C |
Wednesday... Partly cloudy. Lows in the upper 50s to mid 60s. Highs in the lower 80s to lower 90s. |
| Thu Hi: 86°FHi: 30°C Lo: 60°F Lo: 16°C |
Thursday... Partly cloudy. Lows in the upper 50s to mid 60s. Highs in the lower 80s to lower 90s. |
| Fri Hi: 86°FHi: 30°C Lo: 60°F Lo: 16°C |
Friday... Partly cloudy. Lows in the upper 50s to mid 60s. Highs in the lower 80s to lower 90s. |
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