Today's Summary
Right now Casper has sunny weather. The thermometer currently shows 26.2°C. With wind from the west-south-west, it feels noticeably colder, around 17.8°C. UV levels are elevated today – remember sun protection if you're outdoors. During the day temperatures will range between 11.5°C and 27.3°C.
Hourly forecast – Casper, today
Sep 10, 15:00
27 °C
Sunny
Sep 10, 16:00
26 °C
Sunny
Sep 10, 17:00
24 °C
Overcast
Sep 10, 18:00
21 °C
Overcast
Sep 10, 19:00
21 °C
Overcast
Sep 10, 20:00
20 °C
Overcast
Sep 10, 21:00
17 °C
Clear
Sep 10, 22:00
16 °C
Clear
Sep 10, 23:00
16 °C
Clear
Sep 11, 00:00
15 °C
Clear
Sep 11, 01:00
16 °C
Clear
Sep 11, 02:00
15 °C
Clear
Sep 11, 03:00
15 °C
Overcast
Sep 11, 04:00
15 °C
Partly cloudy
Sep 11, 05:00
15 °C
Cloudy
Sep 11, 06:00
18 °C
Partly cloudy
Sep 11, 07:00
21 °C
Partly cloudy
Sep 11, 08:00
22 °C
Sunny
Sep 11, 09:00
24 °C
Sunny
Sep 11, 10:00
25 °C
Partly cloudy
Sep 11, 11:00
26 °C
Cloudy
Sep 11, 12:00
26 °C
Light drizzle
Sep 11, 13:00
25 °C
Patchy rain possible
Sep 11, 14:00
17 °C
Light rain
Time
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
Temperature (°C)
Chance of rain (%)
1
1
9
9
9
9
1
1
1
1
1
1
9
2
6
2
2
1
1
2
7
26
9
61
Precipitation
Wind (km/h)
WSW
32
32
WSW
33
33
SW
28
28
SSW
22
22
SW
18
18
SW
16
16
SW
18
18
SW
17
17
SSW
16
16
SSW
16
16
SSW
16
16
SSW
16
16
SSW
14
14
SSW
13
13
SSW
15
15
WSW
19
19
WSW
26
26
WSW
38
38
WSW
41
41
W
42
42
WNW
35
35
W
40
40
WSW
36
36
WNW
35
35
Pressure (hPa)
1007
1007
1008
1008
1009
1010
1010
1010
1010
1010
1009
1009
1009
1010
1010
1010
1009
1009
1008
1007
1006
1004
1004
1009
Humidity (%)
Cloud cover (%)
14-day weather forecast – Casper
14-day trend for Casper: The second week looks noticeably warmer and more pleasant. Lows can drop to around 3.3°C at night, with daytime highs up to 27.8°C.
Date
Sep 10
Sep 11
Sep 12
Sep 13
Sep 14
Sep 15
Sep 16
Sep 17
Sep 18
Sep 19
Sep 20
Sep 21
Sep 22
Sep 23
Temperature (°C)
Chance of rain (%)
1
57
67
17
0
5
17
1
6
10
42
4
0
0
Precipitation
Wind max (km/h)
33
42
16
41
37
19
18
15
12
23
37
25
14
27
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| September 10, 2026 |
|
12 °C | 27 °C | 06:39 | 19:24 | 05:47 | 19:03 | New Moon (0 %) |
| September 11, 2026 |
|
11 °C | 26 °C | 06:40 | 19:23 | 07:06 | 19:26 | New Moon (0 %) |
| September 12, 2026 |
|
6 °C | 23 °C | 06:41 | 19:21 | 08:24 | 19:49 | New Moon (3 %) |
| September 13, 2026 |
|
11 °C | 20 °C | 06:42 | 19:19 | 09:41 | 20:13 | Waxing Crescent (8 %) |
| September 14, 2026 |
|
3 °C | 22 °C | 06:44 | 19:17 | 10:56 | 20:41 | Waxing Crescent (14 %) |
| September 15, 2026 |
|
5 °C | 21 °C | 06:45 | 19:15 | 12:10 | 21:15 | Waxing Crescent (23 %) |
| September 16, 2026 |
|
10 °C | 19 °C | 06:46 | 19:14 | 13:20 | 21:55 | First Quarter (32 %) |
| September 17, 2026 |
|
7 °C | 24 °C | 06:47 | 19:12 | 14:22 | 22:42 | First Quarter (42 %) |
| September 18, 2026 |
|
12 °C | 27 °C | 06:48 | 19:10 | 15:16 | 23:38 | First Quarter (53 %) |
| September 19, 2026 |
|
17 °C | 28 °C | 06:49 | 19:08 | 16:00 | Does not set today | First Quarter (63 %) |
| September 20, 2026 |
|
14 °C | 24 °C | 06:50 | 19:06 | 16:36 | 00:39 | Waxing Moon (73 %) |
| September 21, 2026 |
|
10 °C | 19 °C | 06:51 | 19:05 | 17:04 | 01:42 | Waxing Moon (82 %) |
| September 22, 2026 |
|
8 °C | 24 °C | 06:52 | 19:03 | 17:28 | 02:47 | Waxing Moon (89 %) |
| September 23, 2026 |
|
12 °C | 26 °C | 06:53 | 19:01 | 17:49 | 03:50 | Waxing Moon (95 %) |