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Arrow Lake, WA 7-Day Weather Forecast
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Arrow Lake Weather Forecast
Arrow Lake, WA Weather Forecast Date: 236 PM PDT Sat Oct 10 2026
Weather forecast for Arrow Lake, WA
Tonight Lo: 40°F Lo: 4°C |
Tonight... Mostly clear. Lows in the upper 30s to mid 40s. Northeast wind to 10 mph in the evening becoming light. |
Sun Hi: 56°FHi: 13°C Lo: 40°F Lo: 4°C |
Sunday... Sunny. Highs in the mid 50s to lower 60s. Northeast wind to 10 mph becoming north in the afternoon. |
| Columbus Day Hi: 56°FHi: 13°C Lo: 40°F Lo: 4°C |
Columbus Day... Sunny. Highs in the mid 50s to lower 60s. Light wind. |
Tue Hi: 61°FHi: 16°C Lo: 47°F Lo: 8°C |
Tuesday... Partly sunny. Highs in the lower 60s. |
Wed Hi: 63°FHi: 17°C Lo: 46°F Lo: 8°C |
Wednesday... Mostly cloudy. A slight chance of rain in the morning. Highs in the lower to mid 60s. |
| Thu Hi: 67°FHi: 19°C Lo: 46°F Lo: 8°C |
Thursday... Partly sunny. Highs in the mid to upper 60s. |
| Fri Hi: 66°FHi: 19°C Lo: 50°F Lo: 10°C |
Friday... Mostly sunny. Highs in the mid 60s to lower 70s. |
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