Casper weather live forecast

Today's maximum temperature in Casper is expected to be 7°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Thursday
18th Dec
7

0

3

1
Friday
19th Dec
14

7

5

1
Saturday
20th Dec
5

0

8

1
Sunday
21st Dec
11

3

0

1
Monday
22nd Dec
15

10

8

1

5-day weather forecast updated at 04:01 on Thursday 18th December 2025 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 Thursday 18th December 2025

Expect broken clouds in Casper, Wyoming with a maximum temperature of 7°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate gale of 58 kph from the south-west.

7
°C maximum temperature
0
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
58
kph wind from SW

Casper weather for Friday 19th December 2025

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 14°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a fresh gale of 64 kph from the south-west.

14
°C maximum temperature
7
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
39
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
64
kph wind from SW

Casper weather for Saturday 20th December 2025

Expect cloudy with sleet or snow in Casper, Wyoming with a maximum temperature of 5°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 18% chance of some sleet or snow and a fresh breeze of 32 kph from the west.

5
°C maximum temperature
0
°C minimum temperature
cloudy with sleet or snow
8
hours of sunshine
1
UV index (Low)
18
% chance of some sleet or snow
<5
mm of sleet/snow expected
0
°C wind chill
32
kph wind from W

Casper weather for Sunday 21st December 2025

Expect overcast skies in Casper, Wyoming with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 40 kph from the south-west.

11
°C maximum temperature
3
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
11
°C wind chill
40
kph wind from SW

Casper weather for Monday 22nd December 2025

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 15°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 43 kph from the south-west.