Grass Valley, OR 7-Day Night Weather Forecast
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Grass Valley, OR Weather Forecast


Grass Valley, OR Weather Forecast Date: 918 AM PST Tue Nov 03 2026
The area/counties/county of: North Central Oregon, including the cities of: Dufur, Maupin, and Moro.or toggle through each period.
Rest of Today... Mostly cloudy with a 20% chance of rain showers. Highs in the upper 40s to lower 50s. Light wind, becoming northeast 5 to 10 mph in the afternoon.
Tonight... Mostly cloudy in the evening then clearing. Lows in the lower to mid 30s. Light wind.
Wednesday... Sunny. Highs in the lower to mid 50s. Light wind.
Wednesday Night... Rain showers likely. Lows in the mid 30s to lower 40s. Light wind. Chance of precipitation 70%.
Thursday... Mostly sunny. Highs in the 50s. Southwest wind 5 to 10 mph with gusts to around 20 mph.
Thursday Night... Mostly cloudy. Lows in the mid 30s to lower 40s. Highs in the mid 50s to lower 60s.
Friday... Mostly cloudy. Lows in the mid 30s to lower 40s. Highs in the mid 50s to lower 60s.
Saturday... Mostly cloudy. Lows in the mid 30s to lower 40s. Highs in the mid 50s to lower 60s.
Saturday Night... Mostly cloudy with a 50% chance of rain showers. Lows in the lower to mid 40s.
Sunday... Mostly cloudy with a 20% chance of rain showers. Highs in the mid to upper 50s.
Sunday Night... Mostly cloudy. Lows in the upper 30s to lower 40s. Highs in the lower to mid 50s.
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