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.

Tuesday
16th Dec
13

7

5

1
Wednesday
17th Dec
13

2

4

1
Thursday
18th Dec
7

-1

1

1
Friday
19th Dec
13

8

7

1
Saturday
20th Dec
12

4

0

1

5-day weather forecast updated at 04:01 on Tuesday 16th 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 Tuesday 16th December 2025

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 13°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 37 kph from the south-west.

13
°C maximum temperature
7
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
13
°C wind chill
37
kph wind from SW

Casper weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Casper, Wyoming with a maximum temperature of 13°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a fresh gale of 63 kph from the south-west.

13
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
1
UV index (Low)
57
% chance of some rain
<2
mm of rainfall expected
13
°C wind chill
63
kph wind from SW

Casper weather for Thursday 18th December 2025

Expect mostly cloudy with light rain in Casper, Wyoming with a maximum temperature of 7°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a moderate gale of 56 kph from the south-west.

7
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
2
% chance of some rain
<2
mm of rainfall expected
1
°C wind chill
56
kph wind from SW

Casper weather for Friday 19th December 2025

Expect broken clouds in Casper, Wyoming with a maximum temperature of 13°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.

13
°C maximum temperature
8
°C minimum temperature
broken clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
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 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a strong breeze of 43 kph from the west.