Monthly Historical AveragesKeystone, WY
Average Temperature
High
2°
Feels -2
Low
-10°
Feels -17
Average Precipitation
1 Days
0.2mm
5.5cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, March 18, 2026
Day
16°Feels 14
Wind
31 km/h W
Gust
47 km/h
Humidity
16%
P.O.P
10%
Night
-5°Feels -10
Wind
29 km/h W
Gust
44 km/h
Humidity
63%
P.O.P
0%
Historical AveragesMar 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity