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Weather Casper: Current forecast

Casper / Wyoming (WY) / United States

35.4 °C
Feels like 27.1 °C
Min 20 °C / Max 35 °C
Weather Casper: Patchy rain possible, 35 °C Patchy rain possible
13.7 mph W
Wind
15.7 mph W
Gusts
1008 hPa
Pressure
0 mm
Precipitation
16 %
Humidity
9.3
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
05:51 / 20:32
Sunrise / Sunset
20:00 / 03:54
Moonrise / Moonset
Full Moon (99 %)
Moon phase

Updated: Jul 27, 2026, 21:35 CEST Jul 27, 2026, 13:35 MDT

Today's Summary

Right now Casper has patchy rain possible weather. The thermometer currently shows 35.4°C. With wind from the west, it feels noticeably colder, around 27.1°C. Stay in the shade, wear light clothing and drink lots of water. During the day temperatures will range between 19.8°C and 35.4°C.

Hourly forecast – Casper, today

Jul 27, 14:00
34 °C
Patchy rain possible
Casper Jul 27, 14:00: Patchy rain possible, 34 °C
Jul 27, 15:00
32 °C
Partly cloudy
Casper Jul 27, 15:00: Partly cloudy, 32 °C
Jul 27, 16:00
31 °C
Partly cloudy
Casper Jul 27, 16:00: Partly cloudy, 31 °C
Jul 27, 17:00
30 °C
Partly cloudy
Casper Jul 27, 17:00: Partly cloudy, 30 °C
Jul 27, 18:00
29 °C
Partly cloudy
Casper Jul 27, 18:00: Partly cloudy, 29 °C
Jul 27, 19:00
27 °C
Partly cloudy
Casper Jul 27, 19:00: Partly cloudy, 27 °C
Jul 27, 20:00
27 °C
Partly cloudy
Casper Jul 27, 20:00: Partly cloudy, 27 °C
Jul 27, 21:00
26 °C
Partly cloudy
Casper Jul 27, 21:00: Partly cloudy, 26 °C
Jul 27, 22:00
23 °C
Partly cloudy
Casper Jul 27, 22:00: Partly cloudy, 23 °C
Jul 27, 23:00
21 °C
Partly cloudy
Casper Jul 27, 23:00: Partly cloudy, 21 °C
Jul 28, 00:00
21 °C
Clear
Casper Jul 28, 00:00: Clear, 21 °C
Jul 28, 01:00
20 °C
Clear
Casper Jul 28, 01:00: Clear, 20 °C
Jul 28, 02:00
19 °C
Clear
Casper Jul 28, 02:00: Clear, 19 °C
Jul 28, 03:00
19 °C
Clear
Casper Jul 28, 03:00: Clear, 19 °C
Jul 28, 04:00
19 °C
Sunny
Casper Jul 28, 04:00: Sunny, 19 °C
Jul 28, 05:00
23 °C
Sunny
Casper Jul 28, 05:00: Sunny, 23 °C
Jul 28, 06:00
25 °C
Sunny
Casper Jul 28, 06:00: Sunny, 25 °C
Jul 28, 07:00
27 °C
Patchy rain possible
Casper Jul 28, 07:00: Patchy rain possible, 27 °C
Jul 28, 08:00
29 °C
Sunny
Casper Jul 28, 08:00: Sunny, 29 °C
Jul 28, 09:00
31 °C
Sunny
Casper Jul 28, 09:00: Sunny, 31 °C
Jul 28, 10:00
32 °C
Sunny
Casper Jul 28, 10:00: Sunny, 32 °C
Jul 28, 11:00
33 °C
Partly cloudy
Casper Jul 28, 11:00: Partly cloudy, 33 °C
Jul 28, 12:00
33 °C
Patchy rain possible
Casper Jul 28, 12:00: Patchy rain possible, 33 °C
Jul 28, 13:00
31 °C
Patchy rain possible
Casper Jul 28, 13:00: Patchy rain possible, 31 °C
Time
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
Casper Jul 27, 14:00: Patchy rain possible
Casper Jul 27, 15:00: Partly cloudy
Casper Jul 27, 16:00: Partly cloudy
Casper Jul 27, 17:00: Partly cloudy
Casper Jul 27, 18:00: Partly cloudy
Casper Jul 27, 19:00: Partly cloudy
Casper Jul 27, 20:00: Partly cloudy
Casper Jul 27, 21:00: Partly cloudy
Casper Jul 27, 22:00: Partly cloudy
Casper Jul 27, 23:00: Partly cloudy
Casper Jul 28, 00:00: Clear
Casper Jul 28, 01:00: Clear
Casper Jul 28, 02:00: Clear
Casper Jul 28, 03:00: Clear
Casper Jul 28, 04:00: Sunny
Casper Jul 28, 05:00: Sunny
Casper Jul 28, 06:00: Sunny
Casper Jul 28, 07:00: Patchy rain possible
Casper Jul 28, 08:00: Sunny
Casper Jul 28, 09:00: Sunny
Casper Jul 28, 10:00: Sunny
Casper Jul 28, 11:00: Partly cloudy
Casper Jul 28, 12:00: Patchy rain possible
Casper Jul 28, 13:00: Patchy rain possible
Temperature (°C)
Chance of rain (%)
4
3
2
2
3
3
2
3
3
3
2
2
2
2
2
1
1
8
1
1
1
2
8
7
Precipitation
0 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0 mm
—
—
—
—
0 mm
0 mm
Wind (mph)
NNW
16
N
19
N
16
N
17
N
15
NNW
10
ENE
6
ESE
6
SE
4
SE
6
SSE
5
S
2
SSW
2
S
2
SSE
2
S
3
S
2
S
2
S
1
SSE
0
NNW
2
NW
3
E
2
SE
11
Pressure (hPa)
1008
1009
1009
1010
1011
1012
1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1012
1011
1010
1009
1009
1009
Humidity (%)
19 %
23 %
24 %
25 %
26 %
30 %
33 %
41 %
46 %
48 %
46 %
48 %
48 %
48 %
50 %
42 %
37 %
32 %
28 %
25 %
23 %
21 %
21 %
28 %
Cloud cover (%)
60 %
46 %
28 %
31 %
44 %
47 %
32 %
31 %
38 %
28 %
18 %
12 %
9 %
10 %
12 %
11 %
10 %
72 %
13 %
17 %
22 %
40 %
81 %
81 %

14-day weather forecast – Casper

14-day trend for Casper: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 10.5°C at night, with daytime highs up to 39.2°C.

Date
Jul 27
Jul 28
Jul 29
Jul 30
Jul 31
Aug 1
Aug 2
Aug 3
Aug 4
Aug 5
Aug 6
Aug 7
Aug 8
Aug 9
Casper July 27, 2026: Partly cloudy
Casper July 28, 2026: Sunny
Casper July 29, 2026: Sunny
Casper July 30, 2026: Sunny
Casper July 31, 2026: Sunny
Casper August 1, 2026: Sunny
Casper August 2, 2026: Sunny
Casper August 3, 2026: Sunny
Casper August 4, 2026: Sunny
Casper August 5, 2026: Sunny
Casper August 6, 2026: Sunny
Casper August 7, 2026: Sunny
Casper August 8, 2026: Sunny
Casper August 9, 2026: Sunny
Temperature (°C)
Chance of rain (%)
4
17
17
1
0
0
0
1
0
0
0
1
36
2
Precipitation
0 mm
0.2 mm
0.2 mm
—
—
—
—
—
—
—
—
—
0.6 mm
—
Wind max (mph)
19
19
28
19
18
20
24
14
11
11
22
20
19
21
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 27, 2026 Casper July 27, 2026: Partly cloudy Partly cloudy 20 °C 35 °C 05:51 20:32 20:00 03:54 Full Moon (99 %)
July 28, 2026 Casper July 28, 2026: Sunny Sunny 19 °C 33 °C 05:52 20:31 20:31 04:57 Full Moon (100 %)
July 29, 2026 Casper July 29, 2026: Sunny Sunny 19 °C 36 °C 05:53 20:29 20:56 06:01 Full Moon (99 %)
July 30, 2026 Casper July 30, 2026: Sunny Sunny 17 °C 36 °C 05:54 20:28 21:18 07:05 Waning Moon (96 %)
July 31, 2026 Casper July 31, 2026: Sunny Sunny 19 °C 38 °C 05:55 20:27 21:37 08:09 Waning Moon (91 %)
August 1, 2026 Casper August 1, 2026: Sunny Sunny 18 °C 38 °C 05:56 20:26 21:55 09:11 Waning Moon (83 %)
August 2, 2026 Casper August 2, 2026: Sunny Sunny 22 °C 39 °C 05:57 20:25 22:13 10:14 Waning Moon (75 %)
August 3, 2026 Casper August 3, 2026: Sunny Sunny 15 °C 33 °C 05:58 20:24 22:32 11:17 Last Quarter (65 %)
August 4, 2026 Casper August 4, 2026: Sunny Sunny 11 °C 29 °C 05:59 20:22 22:54 12:23 Last Quarter (55 %)
August 5, 2026 Casper August 5, 2026: Sunny Sunny 12 °C 32 °C 06:00 20:21 23:20 13:33 Last Quarter (44 %)
August 6, 2026 Casper August 6, 2026: Sunny Sunny 16 °C 37 °C 06:01 20:20 23:54 14:45 Last Quarter (34 %)
August 7, 2026 Casper August 7, 2026: Sunny Sunny 20 °C 39 °C 06:02 20:19 Does not rise today 15:59 Waning Crescent (24 %)
August 8, 2026 Casper August 8, 2026: Sunny Sunny 21 °C 35 °C 06:04 20:17 00:38 17:09 Waning Crescent (16 %)
August 9, 2026 Casper August 9, 2026: Sunny Sunny 19 °C 34 °C 06:05 20:16 01:35 18:12 Waning Crescent (9 %)
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