Casper weather live forecast

Today's maximum temperature in Casper is expected to be 18°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Sunday
11th Oct
18

6

4

4
Monday
12th Oct
13

8

5

3
Tuesday
13th Oct
13

6

5

3
Wednesday
14th Oct
9

6

1

3
Thursday
15th Oct
11

2

5

3

5-day weather forecast updated at 04:00 on Monday 12th October 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 11th October 2026

Expect mostly cloudy with light rain in Casper, Wyoming with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 26 kph from the east.

18
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
79
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
26
kph wind from E

Casper weather for Monday 12th October 2026

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a strong breeze of 42 kph from the south-west.

13
°C maximum temperature
8
°C minimum temperature
sunshine and showers
5
hours of sunshine
3
UV index (Moderate)
37
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
42
kph wind from SW

Casper weather for Tuesday 13th October 2026

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 17 kph from the north-east.

13
°C maximum temperature
6
°C minimum temperature
sunshine and showers
5
hours of sunshine
3
UV index (Moderate)
79
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
17
kph wind from NE

Casper weather for Wednesday 14th October 2026

Expect mostly cloudy with rain in Casper, Wyoming with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 19 kph from the east.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
3
UV index (Moderate)
63
% chance of some rain
<20
mm of rainfall expected
6
°C wind chill
19
kph wind from E

Casper weather for Thursday 15th October 2026

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 17 kph from the north.