Casper weather live forecast

Today's maximum temperature in Casper is expected to be 30°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Wednesday
13th May
30

10

11

8
Thursday
14th May
23

11

13

9
Friday
15th May
23

7

11

9
Saturday
16th May
23

7

8

8
Sunday
17th May
13

5

1

6

5-day weather forecast updated at 04:00 on Wednesday 13th 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 Wednesday 13th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

30
°C maximum temperature
10
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from SW

Casper weather for Thursday 14th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 23°C, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 40 kph from the west.

23
°C maximum temperature
11
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
40
kph wind from W

Casper weather for Friday 15th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 23°C, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the west.

23
°C maximum temperature
7
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
33
kph wind from W

Casper weather for Saturday 16th May 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the west.

23
°C maximum temperature
7
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from W

Casper weather for Sunday 17th May 2026

Expect mostly cloudy with rain in Casper, Wyoming with a maximum temperature of 13°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a fresh breeze of 30 kph from the north.