Monthly Historical AveragesCastle Rock, WA
Average Temperature
High
7°
Feels 6
Low
1°
Feels -1
Average Precipitation
14 Days
128.1mm
3cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, January 9, 2026
Day
9°Feels 8
Wind
12 km/h SE
Gust
18 km/h
Humidity
76%
P.O.P
30%
Night
3°Feels 0
Wind
11 km/h SE
Gust
17 km/h
Humidity
93%
P.O.P
30%
Historical AveragesJan 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity