Casper weather live forecast

Today's maximum temperature in Casper is expected to be 35°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Sunday
9th Aug
35

17

8

8
Monday
10th Aug
34

17

10

8
Tuesday
11th Aug
34

18

10

7
Wednesday
12th Aug
30

18

6

5
Thursday
13th Aug
27

16

3

6

5-day weather forecast updated at 04:00 on Sunday 9th August 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 9th August 2026

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

35
°C maximum temperature
17
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
29
kph wind from W

Casper weather for Monday 10th August 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.

34
°C maximum temperature
17
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from W

Casper weather for Tuesday 11th August 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the west.

34
°C maximum temperature
18
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
26
kph wind from W

Casper weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a moderate breeze of 22 kph from the east.

30
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
22
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from E

Casper weather for Thursday 13th August 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 16 kph from the east.