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Weather Casper: Current forecast

Casper / Wyoming (WY) / United States

32.4 °F
Feels like 27 °F
Min 35 °F / Max 50 °F
Weather Casper: Patchy light snow, 32 °F Patchy light snow
5.6 mph ESE
Wind
6.5 mph ESE
Gusts
1014 hPa
Pressure
0.1 mm
Precipitation
92 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
06:03 / 20:03
Sunrise / Sunset
17:21 / 04:30
Moonrise / Moonset
Waxing Moon (87 %)
Moon phase

Updated: Apr 28, 2026, 9:45 CEST Apr 28, 2026, 1:45 MDT

Today's Summary

If you head out in Casper today, you'll see a patchy light snow sky. The thermometer currently shows 0.2°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 1.4°C and 10.1°C.

Hourly forecast – Casper, today

Apr 28, 01:00
32 °F
Patchy light snow
Casper Apr 28, 01:00: Patchy light snow, 32 °F
Apr 28, 02:00
36 °F
Moderate snow
Casper Apr 28, 02:00: Moderate snow, 36 °F
Apr 28, 03:00
36 °F
Light snow
Casper Apr 28, 03:00: Light snow, 36 °F
Apr 28, 04:00
35 °F
Mist
Casper Apr 28, 04:00: Mist, 35 °F
Apr 28, 05:00
35 °F
Mist
Casper Apr 28, 05:00: Mist, 35 °F
Apr 28, 06:00
36 °F
Cloudy
Casper Apr 28, 06:00: Cloudy, 36 °F
Apr 28, 07:00
37 °F
Partly cloudy
Casper Apr 28, 07:00: Partly cloudy, 37 °F
Apr 28, 08:00
39 °F
Sunny
Casper Apr 28, 08:00: Sunny, 39 °F
Apr 28, 09:00
41 °F
Patchy rain possible
Casper Apr 28, 09:00: Patchy rain possible, 41 °F
Apr 28, 10:00
43 °F
Patchy light rain with thunder
Casper Apr 28, 10:00: Patchy light rain with thunder, 43 °F
Apr 28, 11:00
44 °F
Patchy light rain with thunder
Casper Apr 28, 11:00: Patchy light rain with thunder, 44 °F
Apr 28, 12:00
46 °F
Patchy light rain with thunder
Casper Apr 28, 12:00: Patchy light rain with thunder, 46 °F
Apr 28, 13:00
47 °F
Patchy light rain with thunder
Casper Apr 28, 13:00: Patchy light rain with thunder, 47 °F
Apr 28, 14:00
48 °F
Patchy light rain with thunder
Casper Apr 28, 14:00: Patchy light rain with thunder, 48 °F
Apr 28, 15:00
49 °F
Patchy light rain with thunder
Casper Apr 28, 15:00: Patchy light rain with thunder, 49 °F
Apr 28, 16:00
50 °F
Patchy rain possible
Casper Apr 28, 16:00: Patchy rain possible, 50 °F
Apr 28, 17:00
49 °F
Patchy rain possible
Casper Apr 28, 17:00: Patchy rain possible, 49 °F
Apr 28, 18:00
49 °F
Patchy rain possible
Casper Apr 28, 18:00: Patchy rain possible, 49 °F
Apr 28, 19:00
46 °F
Sunny
Casper Apr 28, 19:00: Sunny, 46 °F
Apr 28, 20:00
43 °F
Sunny
Casper Apr 28, 20:00: Sunny, 43 °F
Apr 28, 21:00
41 °F
Clear
Casper Apr 28, 21:00: Clear, 41 °F
Apr 28, 22:00
39 °F
Partly cloudy
Casper Apr 28, 22:00: Partly cloudy, 39 °F
Apr 28, 23:00
38 °F
Partly cloudy
Casper Apr 28, 23:00: Partly cloudy, 38 °F
Apr 29, 00:00
37 °F
Partly cloudy
Casper Apr 29, 00:00: Partly cloudy, 37 °F
Time
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
Casper Apr 28, 01:00: Patchy light snow
Casper Apr 28, 02:00: Moderate snow
Casper Apr 28, 03:00: Light snow
Casper Apr 28, 04:00: Mist
Casper Apr 28, 05:00: Mist
Casper Apr 28, 06:00: Cloudy
Casper Apr 28, 07:00: Partly cloudy
Casper Apr 28, 08:00: Sunny
Casper Apr 28, 09:00: Patchy rain possible
Casper Apr 28, 10:00: Patchy light rain with thunder
Casper Apr 28, 11:00: Patchy light rain with thunder
Casper Apr 28, 12:00: Patchy light rain with thunder
Casper Apr 28, 13:00: Patchy light rain with thunder
Casper Apr 28, 14:00: Patchy light rain with thunder
Casper Apr 28, 15:00: Patchy light rain with thunder
Casper Apr 28, 16:00: Patchy rain possible
Casper Apr 28, 17:00: Patchy rain possible
Casper Apr 28, 18:00: Patchy rain possible
Casper Apr 28, 19:00: Sunny
Casper Apr 28, 20:00: Sunny
Casper Apr 28, 21:00: Clear
Casper Apr 28, 22:00: Partly cloudy
Casper Apr 28, 23:00: Partly cloudy
Casper Apr 29, 00:00: Partly cloudy
Temperature (°F)
Chance of rain (%)
80
100
88
0
70
0
0
0
100
100
100
100
100
100
100
76
76
73
0
0
0
0
0
0
Precipitation
0.1 mm
0.1 mm
0 mm
—
0 mm
—
—
—
0.1 mm
0.5 mm
0.5 mm
0.4 mm
0.4 mm
0.5 mm
0.3 mm
0 mm
0 mm
0 mm
—
—
—
—
—
—
Wind (mph)
ESE
6
SSE
2
SSW
2
SW
2
W
4
W
5
W
6
W
6
WSW
9
W
11
WNW
13
NW
14
NW
15
NW
15
NNW
14
NNW
12
NNW
11
N
9
NE
5
E
6
ESE
7
SE
8
SE
6
SSE
4
Pressure (hPa)
1014
1014
1014
1014
1014
1014
1015
1015
1014
1014
1013
1014
1014
1014
1014
1013
1013
1014
1014
1015
1016
1016
1017
1017
Humidity (%)
92 %
98 %
99 %
97 %
97 %
93 %
90 %
84 %
77 %
68 %
58 %
54 %
51 %
50 %
44 %
39 %
38 %
38 %
41 %
51 %
58 %
60 %
61 %
61 %
Cloud cover (%)
100 %
100 %
100 %
88 %
87 %
67 %
40 %
20 %
72 %
89 %
89 %
72 %
80 %
78 %
79 %
77 %
72 %
77 %
7 %
7 %
9 %
26 %
46 %
33 %

14-day weather forecast – Casper

14-day trend for Casper: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 1°C at night, with daytime highs up to 21.3°C.

Date
Apr 28
Apr 29
Apr 30
May 1
May 2
May 3
May 4
May 5
May 6
May 7
May 8
May 9
May 10
May 11
Casper April 28, 2026: Patchy rain possible
Casper April 29, 2026: Patchy rain possible
Casper April 30, 2026: Partly cloudy
Casper May 1, 2026: Sunny
Casper May 2, 2026: Sunny
Casper May 3, 2026: Patchy rain possible
Casper May 4, 2026: Patchy rain possible
Casper May 5, 2026: Partly cloudy
Casper May 6, 2026: Sunny
Casper May 7, 2026: Patchy rain possible
Casper May 8, 2026: Partly cloudy
Casper May 9, 2026: Patchy rain possible
Casper May 10, 2026: Patchy rain possible
Casper May 11, 2026: Moderate rain
Temperature (°F)
Chance of rain (%)
94
79
0
0
0
89
87
0
0
89
0
87
75
88
Precipitation
3.1 mm
1 mm
0.1 mm
—
—
0.2 mm
0.7 mm
0 mm
0.1 mm
0.9 mm
0 mm
0.1 mm
0.6 mm
5.3 mm
Wind max (mph)
15
14
13
8
7
14
15
7
23
10
11
12
22
20
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
April 28, 2026 Casper April 28, 2026: Patchy rain possible Patchy rain possible 35 °F 50 °F 06:03 20:03 17:21 04:30 Waxing Moon (87 %)
April 29, 2026 Casper April 29, 2026: Patchy rain possible Patchy rain possible 34 °F 55 °F 06:02 20:04 18:26 04:49 Waxing Moon (93 %)
April 30, 2026 Casper April 30, 2026: Partly cloudy Partly cloudy 36 °F 55 °F 06:00 20:05 19:32 05:10 Waxing Moon (97 %)
May 1, 2026 Casper May 1, 2026: Sunny Sunny 34 °F 60 °F 05:59 20:06 20:38 05:33 Full Moon (99 %)
May 2, 2026 Casper May 2, 2026: Sunny Sunny 39 °F 66 °F 05:58 20:07 21:43 05:59 Waning Moon (100 %)
May 3, 2026 Casper May 3, 2026: Patchy rain possible Patchy rain possible 44 °F 70 °F 05:56 20:08 22:45 06:32 Waning Moon (98 %)
May 4, 2026 Casper May 4, 2026: Patchy rain possible Patchy rain possible 40 °F 48 °F 05:55 20:09 23:43 07:12 Waning Moon (95 %)
May 5, 2026 Casper May 5, 2026: Partly cloudy Partly cloudy 41 °F 58 °F 05:54 20:10 — 08:00 Waning Moon (90 %)
May 6, 2026 Casper May 6, 2026: Sunny Sunny 41 °F 69 °F 05:53 20:12 00:31 08:56 Waning Moon (84 %)
May 7, 2026 Casper May 7, 2026: Patchy rain possible Patchy rain possible 40 °F 46 °F 05:51 20:13 01:13 09:58 Waning Moon (77 %)
May 8, 2026 Casper May 8, 2026: Partly cloudy Partly cloudy 37 °F 60 °F 05:50 20:14 01:46 11:03 Waning Moon (68 %)
May 9, 2026 Casper May 9, 2026: Patchy rain possible Patchy rain possible 38 °F 63 °F 05:49 20:15 02:14 12:10 Last Quarter (59 %)
May 10, 2026 Casper May 10, 2026: Patchy rain possible Patchy rain possible 40 °F 68 °F 05:48 20:16 02:38 13:18 Waning Crescent (49 %)
May 11, 2026 Casper May 11, 2026: Moderate rain Moderate rain 47 °F 59 °F 05:47 20:17 02:59 14:27 Waning Crescent (39 %)
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