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City of Hermiston, OregonHermiston, OR 7-Day Night Weather Forecast
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Hermiston, OR Weather Forecast
Hermiston, OR Weather Forecast Date: 302 PM PDT Tue Oct 13 2026
The area/counties/county of: Lower Columbia Basin Of Oregon, including the cities of: Boardman, Hermiston, and Ione.or toggle through each period.
Tonight... Partly cloudy. Lows in the upper 30s to lower 40s. Light wind, becoming south 5 to 10 mph overnight.
Wednesday... Sunny. Highs in the upper 60s. Southwest wind 5 to 10 mph.
Wednesday Night... Mostly clear. Lows in the lower 40s. Light wind.
Thursday... Sunny. Highs in the upper 60s to lower 70s. Light wind.
Thursday Night... Clear. Lows in the lower to mid 40s. East wind 5 to 10 mph.
Friday... Mostly clear. Highs in the upper 60s to mid 70s. Lows in the lower 40s to lower 50s.
Saturday... Mostly clear. Highs in the upper 60s to mid 70s. Lows in the lower 40s to lower 50s.
Saturday Night... Partly cloudy. Lows in the upper 30s to lower 40s. Highs in the lower 60s to lower 70s.
Sunday... Partly cloudy. Lows in the upper 30s to lower 40s. Highs in the lower 60s to lower 70s.
Monday... Mostly cloudy. A 20% chance of rain showers. Highs around 60. Lows in the upper 30s to lower 40s.
Monday Night... Mostly cloudy. A 20% chance of rain showers. Highs around 60. Lows in the upper 30s to lower 40s.
POP = Probability of Precipitation
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