Casper weather live forecast

Today's maximum temperature in Casper is expected to be 27°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Wednesday
2nd Sep
27

18

9

8
Thursday
3rd Sep
27

18

11

8
Friday
4th Sep
29

16

12

8
Saturday
5th Sep
30

17

11

8
Sunday
6th Sep
29

15

8

4

5-day weather forecast updated at 04:00 on Wednesday 2nd September 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 Wednesday 2nd September 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 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 38 kph from the south-west.

27
°C maximum temperature
18
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
38
kph wind from SW

Casper weather for Thursday 3rd September 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 27°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 31 kph from the south-west.

27
°C maximum temperature
18
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
27
°C wind chill
31
kph wind from SW

Casper weather for Friday 4th September 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south-west.

29
°C maximum temperature
16
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
35
kph wind from SW

Casper weather for Saturday 5th September 2026

Expect clear skies in Casper, Wyoming with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

30
°C maximum temperature
17
°C minimum temperature
clear skies
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from SW

Casper weather for Sunday 6th September 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.