Arrow Lake, OR 7-Day Weather Forecast
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Arrow Lake Weather Forecast


Arrow Lake, OR Weather Forecast Date: 302 PM PDT Mon Oct 05 2026
Weather forecast for Arrow Lake, OR
| Tonight Lo: 46°F Lo: 8°C |
Tonight... Mostly clear. Lows in the mid 40s to lower 50s. |
| Tue Hi: 70°FHi: 21°C Lo: 46°F Lo: 8°C |
Tuesday... Sunny. Highs in the upper 60s to mid 70s, except in the mid 70s to lower 80s valleys. |
| Wed Hi: 70°FHi: 21°C Lo: 46°F Lo: 8°C |
Wednesday... Sunny. Highs in the upper 60s to mid 70s, except in the mid 70s to lower 80s valleys. |
| Thu |
Thursday... Mostly clear. Highs in the mid 60s to mid 70s, except in the mid 70s to lower 80s valleys. Lows in the mid 40s to mid 50s. |
| Fri |
Friday... Mostly clear. Highs in the mid 60s to mid 70s, except in the mid 70s to lower 80s valleys. Lows in the mid 40s to mid 50s. |
| Fri |
Friday... Mostly clear. Highs in the mid 60s to mid 70s, except in the mid 70s to lower 80s valleys. Lows in the mid 40s to mid 50s. |
| Sat |
Saturday... Partly cloudy. Lows in the upper 30s to upper 40s. Highs in the mid 50s to mid 60s, except in the mid 60s to mid 70s valleys. |
| Sun |
Sunday... Mostly cloudy. A 40% chance of rain and high mountain snow showers. Highs in the upper 30s to upper 40s, except in the upper 40s to mid 50s valleys. Lows in the upper 20s to upper 30s. |
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