Casper weather live forecast

Today's maximum temperature in Casper is expected to be 21°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Sunday
10th May
21

3

14

8
Monday
11th May
27

10

7

8
Tuesday
12th May
21

9

13

8
Wednesday
13th May
28

9

7

9
Thursday
14th May
22

11

15

8

5-day weather forecast updated at 04:00 on Monday 11th 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 Sunday 10th May 2026

Expect clear skies in Casper, Wyoming with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

21
°C maximum temperature
3
°C minimum temperature
clear skies
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

Casper weather for Monday 11th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

27
°C maximum temperature
10
°C minimum temperature
scattered clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
34
kph wind from SW

Casper weather for Tuesday 12th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

21
°C maximum temperature
9
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from E

Casper weather for Wednesday 13th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

28
°C maximum temperature
9
°C minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from SW

Casper weather for Thursday 14th May 2026

Expect clear skies in Casper, Wyoming with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate gale of 52 kph from the south-west.