Casper weather live forecast

Today's maximum temperature in Casper is expected to be 29°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Wednesday
12th Aug
29

18

5

6
Thursday
13th Aug
25

17

5

8
Friday
14th Aug
27

17

8

9
Saturday
15th Aug
26

17

6

8
Sunday
16th Aug
29

15

9

8

5-day weather forecast updated at 04:00 on Wednesday 12th 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 Wednesday 12th August 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

29
°C maximum temperature
18
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from E

Casper weather for Thursday 13th August 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a gentle breeze of 16 kph from the east.

25
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
82
% chance of some rain
<20
mm of rainfall expected
25
°C wind chill
16
kph wind from E

Casper weather for Friday 14th August 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 23 kph from the west.

27
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
47
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
23
kph wind from W

Casper weather for Saturday 15th August 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a light breeze of 10 kph from the west.

26
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
39
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
10
kph wind from W

Casper weather for Sunday 16th August 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 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.