Monthly Historical AveragesCastle Rocks, ID
Average Temperature
High
17°
Feels 16
Low
4°
Feels 2
Average Precipitation
5 Days
13.1mm
0.4cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, May 13, 2026
Day
21°Feels 21
Wind
42 km/h SW
Gust
63 km/h
Humidity
19%
P.O.P
40%
Rain
<1 mm
Night
3°Feels 1
Wind
38 km/h NW
Gust
57 km/h
Humidity
56%
P.O.P
0%
Historical AveragesMay 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity