Casper weather live forecast

Today's maximum temperature in Casper is expected to be 24°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Saturday
16th May
24

7

6

8
Sunday
17th May
13

4

5

5
Monday
18th May
4

0

0

8
Tuesday
19th May
7

0

9

10
Wednesday
20th May
14

0

9

8

5-day weather forecast updated at 04:00 on Saturday 16th 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 16th May 2026

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 16 kph from the south-west.

24
°C maximum temperature
7
°C minimum temperature
sunshine and showers
6
hours of sunshine
8
UV index (Very High)
31
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
16
kph wind from SW

Casper weather for Sunday 17th May 2026

Expect mostly cloudy with light rain in Casper, Wyoming with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 33 kph from the north-east.

13
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
75
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
33
kph wind from NE

Casper weather for Monday 18th May 2026

Expect cloudy with sleet or snow in Casper, Wyoming with a maximum temperature of 4°C, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 20-30 mm of sleet/snow expected with 81% chance of some sleet or snow and a fresh breeze of 37 kph from the north.

4
°C maximum temperature
0
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
8
UV index (Very High)
81
% chance of some sleet or snow
<30
mm of sleet/snow expected
-2
°C wind chill
37
kph wind from N

Casper weather for Tuesday 19th May 2026

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 7°C, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a gentle breeze of 14 kph from the south-west.

7
°C maximum temperature
0
°C minimum temperature
sunshine and showers
9
hours of sunshine
10
UV index (Very High)
12
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
14
kph wind from SW

Casper weather for Wednesday 20th May 2026

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 14°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.