Casper 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Casper 7-day weather forecast

Stacker created the forecast for Casper, Wyoming using data from OpenWeather. This week's high is 92 °F on Saturday, while the low is 46 °F on Monday. There are expected to be 6 sunny days and rain on 2 days this week.

NWS Riverton WY has issued a fire weather watch until Wednesday at 09:00 PM.

Monday, June 15

- High of 76 °F, low of 46 °F (16% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:26 AM, sunset at 8:45 PM
1 / 6
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Tuesday, June 16

- High of 88 °F, low of 53 °F (14% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Strong breeze (26 mph wind)
- Sunrise at 5:26 AM, sunset at 8:45 PM
2 / 6
liseykina // Shutterstock

Wednesday, June 17

- High of 77 °F, low of 52 °F (19% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Fresh breeze (23 mph wind)
- Sunrise at 5:26 AM, sunset at 8:46 PM
3 / 6
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Thursday, June 18

- High of 77 °F, low of 48 °F (35% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:26 AM, sunset at 8:46 PM
4 / 6
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Friday, June 19

- High of 89 °F, low of 52 °F (18% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:26 AM, sunset at 8:46 PM
5 / 6
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Saturday, June 20

- High of 92 °F, low of 61 °F (21% humidity)
- Partly cloudy with a 70% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gale (41 mph wind)
- Sunrise at 5:26 AM, sunset at 8:47 PM
6 / 6
Witaya Proadtayakogool // Shutterstock

Sunday, June 21

- High of 88 °F, low of 58 °F (18% humidity)
- Fair with a 97% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Strong breeze (25 mph wind)
- Sunrise at 5:26 AM, sunset at 8:47 PM
- First quarter moon

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