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City of Hermiston, OregonHermiston, OR 7-Day Weather Forecast
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Hermiston Weather Forecast
Hermiston, OR Weather Forecast Date: 302 PM PDT Thu Oct 15 2026
Weather forecast for Hermiston, OR
Tonight Lo: 40°F Lo: 4°C |
Tonight... Mostly clear. Lows in the upper 30s to lower 40s. Northeast wind 5 to 10 mph in the evening, becoming light. |
Fri Hi: 70°FHi: 21°C Lo: 45°F Lo: 7°C |
Friday... Mostly sunny. Highs in the upper 60s to lower 70s. Light wind. |
Sat Hi: 70°FHi: 21°C Lo: 40°F Lo: 4°C |
Saturday... Partly sunny. Highs in the upper 60s to lower 70s. Southwest wind 5 to 15 mph with gusts to around 30 mph. |
| Sun Hi: 61°FHi: 16°C Lo: 40°F Lo: 4°C |
Sunday... Mostly clear. Highs in the lower 60s. Lows in the upper 30s to lower 40s. |
Mon Hi: 61°FHi: 16°C Lo: 40°F Lo: 4°C |
Monday... Partly cloudy. Highs in the lower 60s. Lows in the upper 30s to lower 40s. |
| Tue Hi: 61°FHi: 16°C Lo: 40°F Lo: 4°C |
Tuesday... Partly cloudy. Highs in the lower 60s. Lows in the upper 30s to lower 40s. |
| Wed Hi: 61°FHi: 16°C Lo: 40°F Lo: 4°C |
Wednesday... Partly cloudy. Highs in the lower 60s. Lows in the upper 30s to lower 40s. |
| Thu Hi: 61°FHi: 16°C Lo: 40°F Lo: 4°C |
Thursday... Partly cloudy. Highs in the lower 60s. Lows in the upper 30s to lower 40s. |
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