Casper weather live forecast

Today's maximum temperature in Casper is expected to be 20°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Saturday
23rd May
20

5

11

UV8
Sunday
24th May
23

8

9

UV8
Monday
25th May
26

11

13

UV8
Tuesday
26th May
26

11

9

UV8
Wednesday
27th May
21

13

10

UV8

5-day weather forecast updated at 04:00 on Saturday 23rd 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 Saturday 23rd May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

20
°C maximum temperature
5
°C minimum temperature
scattered clouds
11
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from W

Casper weather for Sunday 24th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.

23
°C maximum temperature
8
°C minimum temperature
scattered clouds
9
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from W

Casper weather for Monday 25th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

26
°C maximum temperature
11
°C minimum temperature
scattered clouds
13
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
15
kph wind from SW

Casper weather for Tuesday 26th May 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 18 kph from the south.

26
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
UV8
UV index (Very High)
61
% chance of some rain
<2
mm of rainfall expected
26
°C wind chill
18
kph wind from S

Casper weather for Wednesday 27th May 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 16 kph from the east.