Monthly Historical AveragesGrass Valley, OR
Average Temperature
High
7°
Feels 5
Low
-1°
Feels -4
Average Precipitation
4 Days
2.4mm
4.8cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, February 22, 2026
Day
5°Feels 3
Wind
12 km/h SE
Gust
18 km/h
Humidity
65%
P.O.P
40%
Rain
~1 mm
Night
1°Feels -3
Wind
13 km/h S
Gust
20 km/h
Humidity
100%
P.O.P
80%
Rain
~5 mm
Historical AveragesFeb 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity