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Weather Casper: Current forecast

Casper / Wyoming (WY) / United States

36 °F
Feels like 31.5 °F
Min 44 °F / Max 79 °F
Weather Casper: Clear, 36 °F Clear
5.3 mph SW
Wind
11.2 mph SW
Gusts
1018 hPa
Pressure
0 mm
Precipitation
64 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
05:26 / 20:44
Sunrise / Sunset
02:53 / 18:12
Moonrise / Moonset
New Moon (3 %)
Moon phase

Updated: Jun 12, 2026, 12:17 CEST Jun 12, 2026, 4:17 MDT

Today's Summary

If you head out in Casper today, you'll see a clear sky. The thermometer currently shows 2.2°C. Dress warmly – it's quite chilly out there. During the day temperatures will range between 6.8°C and 26.3°C.

Hourly forecast – Casper, today

Jun 12, 04:00
36 °F
Clear
Casper Jun 12, 04:00: Clear, 36 °F
Jun 12, 05:00
46 °F
Clear
Casper Jun 12, 05:00: Clear, 46 °F
Jun 12, 06:00
50 °F
Sunny
Casper Jun 12, 06:00: Sunny, 50 °F
Jun 12, 07:00
56 °F
Sunny
Casper Jun 12, 07:00: Sunny, 56 °F
Jun 12, 08:00
60 °F
Sunny
Casper Jun 12, 08:00: Sunny, 60 °F
Jun 12, 09:00
64 °F
Sunny
Casper Jun 12, 09:00: Sunny, 64 °F
Jun 12, 10:00
67 °F
Sunny
Casper Jun 12, 10:00: Sunny, 67 °F
Jun 12, 11:00
70 °F
Sunny
Casper Jun 12, 11:00: Sunny, 70 °F
Jun 12, 12:00
72 °F
Sunny
Casper Jun 12, 12:00: Sunny, 72 °F
Jun 12, 13:00
74 °F
Sunny
Casper Jun 12, 13:00: Sunny, 74 °F
Jun 12, 14:00
76 °F
Sunny
Casper Jun 12, 14:00: Sunny, 76 °F
Jun 12, 15:00
78 °F
Sunny
Casper Jun 12, 15:00: Sunny, 78 °F
Jun 12, 16:00
78 °F
Sunny
Casper Jun 12, 16:00: Sunny, 78 °F
Jun 12, 17:00
78 °F
Sunny
Casper Jun 12, 17:00: Sunny, 78 °F
Jun 12, 18:00
77 °F
Sunny
Casper Jun 12, 18:00: Sunny, 77 °F
Jun 12, 19:00
72 °F
Sunny
Casper Jun 12, 19:00: Sunny, 72 °F
Jun 12, 20:00
65 °F
Partly cloudy
Casper Jun 12, 20:00: Partly cloudy, 65 °F
Jun 12, 21:00
60 °F
Clear
Casper Jun 12, 21:00: Clear, 60 °F
Jun 12, 22:00
56 °F
Clear
Casper Jun 12, 22:00: Clear, 56 °F
Jun 12, 23:00
53 °F
Clear
Casper Jun 12, 23:00: Clear, 53 °F
Jun 13, 00:00
51 °F
Clear
Casper Jun 13, 00:00: Clear, 51 °F
Jun 13, 01:00
49 °F
Clear
Casper Jun 13, 01:00: Clear, 49 °F
Jun 13, 02:00
47 °F
Clear
Casper Jun 13, 02:00: Clear, 47 °F
Jun 13, 03:00
46 °F
Partly cloudy
Casper Jun 13, 03:00: Partly cloudy, 46 °F
Time
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
Casper Jun 12, 04:00: Clear
Casper Jun 12, 05:00: Clear
Casper Jun 12, 06:00: Sunny
Casper Jun 12, 07:00: Sunny
Casper Jun 12, 08:00: Sunny
Casper Jun 12, 09:00: Sunny
Casper Jun 12, 10:00: Sunny
Casper Jun 12, 11:00: Sunny
Casper Jun 12, 12:00: Sunny
Casper Jun 12, 13:00: Sunny
Casper Jun 12, 14:00: Sunny
Casper Jun 12, 15:00: Sunny
Casper Jun 12, 16:00: Sunny
Casper Jun 12, 17:00: Sunny
Casper Jun 12, 18:00: Sunny
Casper Jun 12, 19:00: Sunny
Casper Jun 12, 20:00: Partly cloudy
Casper Jun 12, 21:00: Clear
Casper Jun 12, 22:00: Clear
Casper Jun 12, 23:00: Clear
Casper Jun 13, 00:00: Clear
Casper Jun 13, 01:00: Clear
Casper Jun 13, 02:00: Clear
Casper Jun 13, 03:00: Partly cloudy
Temperature (°F)
Chance of rain (%)
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
2
2
3
4
5
6
7
9
Precipitation
Wind (mph)
SW
5
SW
5
SSW
6
SW
6
WSW
10
WSW
11
WSW
11
WSW
10
WSW
9
W
9
WNW
9
WNW
10
WNW
10
NW
10
NW
16
N
15
NNE
19
NE
20
NE
17
NE
15
NE
12
NE
8
NE
6
NE
6
Pressure (hPa)
1018
1013
1013
1013
1012
1012
1011
1011
1010
1009
1008
1007
1006
1006
1006
1007
1010
1014
1017
1018
1019
1019
1020
1020
Humidity (%)
64 %
34 %
33 %
28 %
22 %
21 %
19 %
17 %
15 %
14 %
13 %
12 %
12 %
11 %
12 %
16 %
29 %
49 %
56 %
60 %
64 %
68 %
71 %
74 %
Cloud cover (%)
0 %
9 %
8 %
7 %
3 %
1 %
0 %
2 %
4 %
5 %
5 %
2 %
2 %
5 %
6 %
9 %
32 %
10 %
6 %
14 %
13 %
12 %
19 %
26 %

14-day weather forecast – Casper

14-day trend for Casper: The second week looks noticeably warmer and more pleasant. Lows can drop to around 3.1°C at night, with daytime highs up to 33.5°C.

Date
Jun 12
Jun 13
Jun 14
Jun 15
Jun 16
Jun 17
Jun 18
Jun 19
Jun 20
Jun 21
Jun 22
Jun 23
Jun 24
Jun 25
Casper June 12, 2026: Sunny
Casper June 13, 2026: Patchy rain possible
Casper June 14, 2026: Sunny
Casper June 15, 2026: Sunny
Casper June 16, 2026: Sunny
Casper June 17, 2026: Sunny
Casper June 18, 2026: Sunny
Casper June 19, 2026: Patchy rain possible
Casper June 20, 2026: Patchy rain possible
Casper June 21, 2026: Patchy rain possible
Casper June 22, 2026: Sunny
Casper June 23, 2026: Sunny
Casper June 24, 2026: Patchy rain possible
Casper June 25, 2026: Sunny
Temperature (°F)
Chance of rain (%)
1
36
2
3
1
0
1
36
64
57
2
3
57
3
Precipitation
0.4 mm
0 mm
0.6 mm
4.2 mm
1.5 mm
3.8 mm
Wind max (mph)
20
13
12
15
25
19
18
13
11
18
15
21
19
20
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
June 12, 2026 Casper June 12, 2026: Sunny Sunny 44 °F 79 °F 05:26 20:44 02:53 18:12 New Moon (3 %)
June 13, 2026 Casper June 13, 2026: Patchy rain possible Patchy rain possible 41 °F 55 °F 05:26 20:44 03:28 19:30 New Moon (1 %)
June 14, 2026 Casper June 14, 2026: Sunny Sunny 38 °F 68 °F 05:26 20:45 04:13 20:44 New Moon (0 %)
June 15, 2026 Casper June 15, 2026: Sunny Sunny 47 °F 70 °F 05:25 20:45 05:12 21:48 New Moon (2 %)
June 16, 2026 Casper June 16, 2026: Sunny Sunny 47 °F 84 °F 05:26 20:45 06:25 22:40 Waxing Crescent (6 %)
June 17, 2026 Casper June 17, 2026: Sunny Sunny 60 °F 91 °F 05:26 20:46 07:46 23:19 Waxing Crescent (11 %)
June 18, 2026 Casper June 18, 2026: Sunny Sunny 54 °F 92 °F 05:26 20:46 09:08 23:50 Waxing Crescent (19 %)
June 19, 2026 Casper June 19, 2026: Patchy rain possible Patchy rain possible 60 °F 75 °F 05:26 20:46 10:28 Does not set today Waxing Crescent (28 %)
June 20, 2026 Casper June 20, 2026: Patchy rain possible Patchy rain possible 47 °F 74 °F 05:26 20:47 11:45 00:15 First Quarter (38 %)
June 21, 2026 Casper June 21, 2026: Patchy rain possible Patchy rain possible 51 °F 84 °F 05:26 20:47 12:58 00:37 First Quarter (48 %)
June 22, 2026 Casper June 22, 2026: Sunny Sunny 52 °F 85 °F 05:26 20:47 14:09 00:58 First Quarter (59 %)
June 23, 2026 Casper June 23, 2026: Sunny Sunny 53 °F 83 °F 05:27 20:47 15:19 01:19 Waxing Moon (69 %)
June 24, 2026 Casper June 24, 2026: Patchy rain possible Patchy rain possible 54 °F 83 °F 05:27 20:47 16:29 01:43 Waxing Moon (79 %)
June 25, 2026 Casper June 25, 2026: Sunny Sunny 53 °F 87 °F 05:27 20:47 17:38 02:09 Waxing Moon (87 %)