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7 Days
14 Days
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Monthly
°C
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°Fahrenheit
Monthly Historical Averages
Casper Mountain, WY
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Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
9°
2
10°
3
-2°
4
6°
5
11°
6
13°
7
15°
8
16°
9
7°
10
6°
11
5°
12
7°
13
11°
14
12°
15
11°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, April 1, 2026
Day
9°
Feels 7
Wind
15 km/h SW
Gust
23 km/h
Humidity
53%
P.O.P
80%
Rain
~5 mm
Night
1°
Feels -4
Wind
19 km/h S
Gust
29 km/h
Humidity
86%
P.O.P
60%
Snow
<1 cm
Rain
2-4 mm
Historical Averages
Apr 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
April
Average Temperature
High
8°
Feels 5
Low
-2°
Feels -8
Average Precipitation
5 Days
Rain amount
3.3mm
Snow amount
9.4cm