Casper weather live forecast

Today's maximum temperature in Casper is expected to be 23°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Tuesday
26th May
23

11

5

7
Wednesday
27th May
24

15

3

8
Thursday
28th May
27

14

4

8
Friday
29th May
27

13

6

8
Saturday
30th May
23

14

14

9

5-day weather forecast updated at 04:00 on Wednesday 27th 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 Tuesday 26th May 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 23°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 13 kph from the south-west.

23
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
63
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
13
kph wind from SW

Casper weather for Wednesday 27th May 2026

Expect mostly cloudy with light rain in Casper, Wyoming with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 17 kph from the south-east.

24
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
8
UV index (Very High)
36
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
17
kph wind from SE

Casper weather for Thursday 28th May 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 27°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

27
°C maximum temperature
14
°C minimum temperature
broken clouds
4
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
27
°C wind chill
16
kph wind from SE

Casper weather for Friday 29th May 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

27
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from S

Casper weather for Saturday 30th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 23°C, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 38 kph from the south-west.