Casper weather live forecast

Today's maximum temperature in Casper is expected to be 13°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Wednesday
17th Dec
13

2

4

1
Thursday
18th Dec
7

0

2

1
Friday
19th Dec
14

8

7

1
Saturday
20th Dec
10

1

0

1
Sunday
21st Dec
10

3

1

1

5-day weather forecast updated at 04:01 on Wednesday 17th 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 Wednesday 17th December 2025

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 13°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a fresh gale of 65 kph from the south-west.

13
°C maximum temperature
2
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
39
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
65
kph wind from SW

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 2 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
2
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 broken clouds in Casper, Wyoming with a maximum temperature of 14°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh gale of 64 kph from the south-west.

14
°C maximum temperature
8
°C minimum temperature
broken clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
14
°C wind chill
64
kph wind from SW

Casper weather for Saturday 20th December 2025

Expect mostly cloudy with light rain in Casper, Wyoming with a maximum temperature of 10°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a strong breeze of 51 kph from the west.

10
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
51
kph wind from W

Casper weather for Sunday 21st December 2025

Expect mostly cloudy with light rain in Casper, Wyoming with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a fresh breeze of 37 kph from the south-west.