Casper weather live forecast

Today's maximum temperature in Casper is expected to be 4°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Saturday
20th Dec
4

-2

8

1
Sunday
21st Dec
11

1

3

1
Monday
22nd Dec
14

8

7

2
Tuesday
23rd Dec
15

7

4

1
Wednesday
24th Dec
15

10

1

1

5-day weather forecast updated at 04:00 on Saturday 20th 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 Saturday 20th December 2025

Expect cloudy with sleet or snow in Casper, Wyoming with a maximum temperature of 4°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 7% chance of some sleet or snow and a moderate breeze of 22 kph from the west.

4
°C maximum temperature
-2
°C minimum temperature
cloudy with sleet or snow
8
hours of sunshine
1
UV index (Low)
7
% chance of some sleet or snow
<5
mm of sleet/snow expected
-1
°C wind chill
22
kph wind from W

Casper weather for Sunday 21st December 2025

Expect broken clouds in Casper, Wyoming with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 47 kph from the south-west.

11
°C maximum temperature
1
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
47
kph wind from SW

Casper weather for Monday 22nd December 2025

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 14°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a strong breeze of 48 kph from the south-west.

14
°C maximum temperature
8
°C minimum temperature
sunshine and showers
7
hours of sunshine
2
UV index (Low)
3
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
48
kph wind from SW

Casper weather for Tuesday 23rd December 2025

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 15°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

15
°C maximum temperature
7
°C minimum temperature
scattered clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
34
kph wind from SW

Casper weather for Wednesday 24th December 2025

Expect broken clouds in Casper, Wyoming with a maximum temperature of 15°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 49 kph from the south-west.