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Weather Casper: Current forecast

Casper / Wyoming (WY) / United States

20.2 °C
Feels like 20.2 °C
Min 6 °C / Max 26 °C
Weather Casper: Sunny, 20 °C Sunny
23.8 km/h WSW
Wind
27.3 km/h WSW
Gusts
1018 hPa
Pressure
0 mm
Precipitation
20 %
Humidity
5.3
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, 18:52 CEST Jun 12, 2026, 10:52 MDT

Today's Summary

If you head out in Casper today, you'll see a sunny sky. The thermometer currently shows 20.2°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 6.3°C and 26.4°C.

Hourly forecast – Casper, today

Jun 12, 10:00
20 °C
Sunny
Casper Jun 12, 10:00: Sunny, 20 °C
Jun 12, 11:00
21 °C
Sunny
Casper Jun 12, 11:00: Sunny, 21 °C
Jun 12, 12:00
23 °C
Sunny
Casper Jun 12, 12:00: Sunny, 23 °C
Jun 12, 13:00
24 °C
Sunny
Casper Jun 12, 13:00: Sunny, 24 °C
Jun 12, 14:00
25 °C
Sunny
Casper Jun 12, 14:00: Sunny, 25 °C
Jun 12, 15:00
26 °C
Sunny
Casper Jun 12, 15:00: Sunny, 26 °C
Jun 12, 16:00
26 °C
Sunny
Casper Jun 12, 16:00: Sunny, 26 °C
Jun 12, 17:00
26 °C
Sunny
Casper Jun 12, 17:00: Sunny, 26 °C
Jun 12, 18:00
26 °C
Sunny
Casper Jun 12, 18:00: Sunny, 26 °C
Jun 12, 19:00
22 °C
Sunny
Casper Jun 12, 19:00: Sunny, 22 °C
Jun 12, 20:00
19 °C
Sunny
Casper Jun 12, 20:00: Sunny, 19 °C
Jun 12, 21:00
16 °C
Clear
Casper Jun 12, 21:00: Clear, 16 °C
Jun 12, 22:00
14 °C
Partly cloudy
Casper Jun 12, 22:00: Partly cloudy, 14 °C
Jun 12, 23:00
12 °C
Clear
Casper Jun 12, 23:00: Clear, 12 °C
Jun 13, 00:00
11 °C
Clear
Casper Jun 13, 00:00: Clear, 11 °C
Jun 13, 01:00
9 °C
Clear
Casper Jun 13, 01:00: Clear, 9 °C
Jun 13, 02:00
8 °C
Clear
Casper Jun 13, 02:00: Clear, 8 °C
Jun 13, 03:00
7 °C
Clear
Casper Jun 13, 03:00: Clear, 7 °C
Jun 13, 04:00
6 °C
Clear
Casper Jun 13, 04:00: Clear, 6 °C
Jun 13, 05:00
6 °C
Clear
Casper Jun 13, 05:00: Clear, 6 °C
Jun 13, 06:00
8 °C
Sunny
Casper Jun 13, 06:00: Sunny, 8 °C
Jun 13, 07:00
10 °C
Sunny
Casper Jun 13, 07:00: Sunny, 10 °C
Jun 13, 08:00
12 °C
Sunny
Casper Jun 13, 08:00: Sunny, 12 °C
Jun 13, 09:00
11 °C
Patchy rain possible
Casper Jun 13, 09:00: Patchy rain possible, 11 °C
Time
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
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: Sunny
Casper Jun 12, 21:00: Clear
Casper Jun 12, 22:00: Partly cloudy
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: Clear
Casper Jun 13, 04:00: Clear
Casper Jun 13, 05:00: Clear
Casper Jun 13, 06:00: Sunny
Casper Jun 13, 07:00: Sunny
Casper Jun 13, 08:00: Sunny
Casper Jun 13, 09:00: Patchy rain possible
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
1
1
2
2
4
5
6
7
7
7
6
5
4
12
Precipitation
0 mm
Wind (km/h)
WSW
24
W
22
W
21
W
22
W
21
WNW
21
NW
20
NW
23
NW
25
NNW
17
N
11
NNE
14
N
27
NNE
23
NE
20
ENE
15
E
12
ESE
9
ESE
7
E
8
NE
6
NNE
10
NNE
16
NNE
21
Pressure (hPa)
1018
1010
1009
1009
1008
1007
1006
1006
1006
1006
1006
1008
1012
1015
1016
1017
1017
1018
1018
1017
1018
1018
1018
1020
Humidity (%)
20 %
15 %
13 %
13 %
12 %
11 %
10 %
10 %
11 %
13 %
18 %
22 %
35 %
47 %
59 %
66 %
69 %
72 %
74 %
74 %
73 %
61 %
56 %
55 %
Cloud cover (%)
0 %
2 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
9 %
12 %
30 %
3 %
5 %
6 %
7 %
7 %
7 %
7 %
9 %
11 %
16 %
83 %

14-day weather forecast – Casper

14-day trend for Casper: The second week looks noticeably warmer and more pleasant. Lows can drop to around 2.3°C at night, with daytime highs up to 35.9°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: Sunny
Casper June 14, 2026: Patchy rain possible
Casper June 15, 2026: Sunny
Casper June 16, 2026: Sunny
Casper June 17, 2026: Sunny
Casper June 18, 2026: Sunny
Casper June 19, 2026: Partly cloudy
Casper June 20, 2026: Patchy rain possible
Casper June 21, 2026: Patchy rain possible
Casper June 22, 2026: Patchy rain possible
Casper June 23, 2026: Sunny
Casper June 24, 2026: Sunny
Casper June 25, 2026: Sunny
Temperature (°C)
Chance of rain (%)
1
17
36
2
1
1
1
1
36
45
36
3
1
1
Precipitation
0.1 mm
0.4 mm
0.8 mm
1 mm
0.3 mm
0 mm
Wind max (km/h)
27
29
21
23
36
37
19
29
44
26
25
28
16
26
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
June 12, 2026 Casper June 12, 2026: Sunny Sunny 6 °C 26 °C 05:26 20:44 02:53 18:12 New Moon (3 %)
June 13, 2026 Casper June 13, 2026: Sunny Sunny 5 °C 13 °C 05:26 20:44 03:28 19:30 New Moon (1 %)
June 14, 2026 Casper June 14, 2026: Patchy rain possible Patchy rain possible 2 °C 15 °C 05:26 20:45 04:13 20:44 New Moon (0 %)
June 15, 2026 Casper June 15, 2026: Sunny Sunny 3 °C 24 °C 05:25 20:45 05:12 21:48 New Moon (2 %)
June 16, 2026 Casper June 16, 2026: Sunny Sunny 12 °C 29 °C 05:26 20:45 06:25 22:40 Waxing Crescent (6 %)
June 17, 2026 Casper June 17, 2026: Sunny Sunny 13 °C 22 °C 05:26 20:46 07:46 23:19 Waxing Crescent (11 %)
June 18, 2026 Casper June 18, 2026: Sunny Sunny 8 °C 30 °C 05:26 20:46 09:08 23:50 Waxing Crescent (19 %)
June 19, 2026 Casper June 19, 2026: Partly cloudy Partly cloudy 15 °C 31 °C 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 15 °C 32 °C 05:26 20:47 11:45 00:15 First Quarter (38 %)
June 21, 2026 Casper June 21, 2026: Patchy rain possible Patchy rain possible 13 °C 24 °C 05:26 20:47 12:58 00:37 First Quarter (48 %)
June 22, 2026 Casper June 22, 2026: Patchy rain possible Patchy rain possible 12 °C 28 °C 05:26 20:47 14:09 00:58 First Quarter (59 %)
June 23, 2026 Casper June 23, 2026: Sunny Sunny 11 °C 30 °C 05:27 20:47 15:19 01:19 Waxing Moon (69 %)
June 24, 2026 Casper June 24, 2026: Sunny Sunny 12 °C 32 °C 05:27 20:47 16:29 01:43 Waxing Moon (79 %)
June 25, 2026 Casper June 25, 2026: Sunny Sunny 16 °C 36 °C 05:27 20:47 17:38 02:09 Waxing Moon (87 %)