Casper weather live forecast

Today's maximum temperature in Casper is expected to be 15°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Saturday
9th May
15

7

4

6
Sunday
10th May
20

5

12

8
Monday
11th May
27

8

5

8
Tuesday
12th May
24

10

14

8
Wednesday
13th May
29

9

6

8

5-day weather forecast updated at 04:00 on Saturday 9th 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 9th May 2026

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 15°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 16 kph from the north.

15
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
84
% chance of some rain
<5
mm of rainfall expected
15
°C wind chill
16
kph wind from N

Casper weather for Sunday 10th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

20
°C maximum temperature
5
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from W

Casper weather for Monday 11th 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 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-west.

27
°C maximum temperature
8
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
30
kph wind from SW

Casper weather for Tuesday 12th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

24
°C maximum temperature
10
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Casper weather for Wednesday 13th May 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 29°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 18 kph from the south-west.