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.

Monday
20th Jul
35

21

11

11
Tuesday
21st Jul
31

21

7

11
Wednesday
22nd Jul
30

19

9

9
Thursday
23rd Jul
27

20

4

7
Friday
24th Jul
32

19

14

11

5-day weather forecast updated at 04:00 on Monday 20th July 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 Monday 20th July 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-east.

35
°C maximum temperature
21
°C minimum temperature
scattered clouds
11
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
27
kph wind from NE

Casper weather for Tuesday 21st July 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 26 kph from the east.

31
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
39
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
26
kph wind from E

Casper weather for Wednesday 22nd July 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 14 kph from the east.

30
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
84
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

Casper weather for Thursday 23rd July 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a light breeze of 10 kph from the west.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
69
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
10
kph wind from W

Casper weather for Friday 24th July 2026

Expect clear skies in Casper, Wyoming with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.