Casper weather live forecast

Today's maximum temperature in Casper is expected to be 68°F. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Thursday
18th Sep
68

46

11

7
Friday
19th Sep
72

45

11

7
Saturday
20th Sep
77

52

8

7
Sunday
21st Sep
77

52

12

7
Monday
22nd Sep
64

48

10

7

5-day weather forecast updated at 04:01 on Thursday 18th September 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 Thursday 18th September 2025

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 68°F, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the west.

68
°F maximum temperature
46
°F minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
7
mph wind from W

Casper weather for Friday 19th September 2025

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 72°F, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the west.

72
°F maximum temperature
45
°F minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
4
mph wind from W

Casper weather for Saturday 20th September 2025

Expect broken clouds in Casper, Wyoming with a maximum temperature of 77°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the west.

77
°F maximum temperature
52
°F minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
10
mph wind from W

Casper weather for Sunday 21st September 2025

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 77°F, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the south-west.

77
°F maximum temperature
52
°F minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
77
°F wind chill
12
mph wind from SW

Casper weather for Monday 22nd September 2025

Expect scattered clouds in Casper, Wyoming with a maximum temperature of 64°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north-west.

64
°F maximum temperature
48
°F minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
64
°F wind chill
8
mph wind from NW

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Wyoming - quick facts
Flight time^✝	13 hours
Time difference	UK -7 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Wyoming Office of Tourism