Casper weather live forecast

Today's maximum temperature in Casper is expected to be 23°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Thursday
14th May
23

13

14

9
Friday
15th May
24

9

11

8
Saturday
16th May
23

6

7

7
Sunday
17th May
12

4

2

7
Monday
18th May
3

-2

0

5

5-day weather forecast updated at 04:00 on Friday 15th May 2026 GMT

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The 5-day weather forecast for Wyoming (Casper) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Casper weather forecast by day

Below are the detailed weather forecasts for Casper for the next 5 days.

Casper weather for Thursday 14th May 2026

Expect clear skies in Casper, Wyoming with a maximum temperature of 23°C, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the west.

23
°C maximum temperature
13
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
34
kph wind from W

Casper weather for Friday 15th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the west.

24
°C maximum temperature
9
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
24
°C wind chill
33
kph wind from W

Casper weather for Saturday 16th May 2026

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 23°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a gentle breeze of 17 kph from the west.

23
°C maximum temperature
6
°C minimum temperature
sunshine and showers
7
hours of sunshine
7
UV index (High)
16
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from W

Casper weather for Sunday 17th May 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 12°C, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the north-east.

12
°C maximum temperature
4
°C minimum temperature
broken clouds
2
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
12
°C wind chill
36
kph wind from NE

Casper weather for Monday 18th May 2026

Expect cloudy with sleet or snow in Casper, Wyoming with a maximum temperature of 3°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 69% chance of some sleet or snow and a strong breeze of 42 kph from the north-east.