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.

Sunday
18th Jan
4

-3

2

2
Monday
19th Jan
2

-4

9

1
Tuesday
20th Jan
6

-2

4

2
Wednesday
21st Jan
4

-6

1

1
Thursday
22nd Jan
0

-7

0

2

5-day weather forecast updated at 04:01 on Saturday 17th January 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 Sunday 18th January 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 4°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

4
°C maximum temperature
-3
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
°C wind chill
25
kph wind from SW

Casper weather for Monday 19th January 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 2°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.

2
°C maximum temperature
-4
°C minimum temperature
broken clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-3
°C wind chill
29
kph wind from W

Casper weather for Tuesday 20th January 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 6°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-west.

6
°C maximum temperature
-2
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
31
kph wind from SW

Casper weather for Wednesday 21st January 2026

Expect cloudy with sleet or snow in Casper, Wyoming with a maximum temperature of 4°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of sleet/snow expected with 21% chance of some sleet or snow and a gentle breeze of 19 kph from the north-west.

4
°C maximum temperature
-6
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
1
UV index (Low)
21
% chance of some sleet or snow
<2
mm of sleet/snow expected
1
°C wind chill
19
kph wind from NW

Casper weather for Thursday 22nd January 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 0°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 17 kph from the south-west.