Casper 7-day weather forecast

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March 23, 2026
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Casper 7-day weather forecast

Stacker created the forecast for Casper, Wyoming using data from OpenWeather. This week's high is 79 °F on Monday, while the low is 26 °F on Saturday. There is expected to be 1 sunny day, snow on 1 day, and 2 days of rain this week.

NWS Riverton WY has issued a red flag warning until Tuesday at 08:00 PM.

Monday, April 20

- High of 79 °F, low of 44 °F (11% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:15 AM, sunset at 7:52 PM
1 / 6
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Tuesday, April 21

- High of 78 °F, low of 53 °F (16% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:13 AM, sunset at 7:53 PM
2 / 6
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Wednesday, April 22

- High of 69 °F, low of 46 °F (14% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Near gale (35 mph wind)
- Sunrise at 6:12 AM, sunset at 7:54 PM
3 / 6
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Thursday, April 23

- High of 53 °F, low of 37 °F (24% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Near gale (36 mph wind)
- Sunrise at 6:10 AM, sunset at 7:56 PM
- First quarter moon
4 / 6
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Friday, April 24

- High of 40 °F, low of 28 °F (44% humidity)
- Overcast with a 93% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:09 AM, sunset at 7:57 PM
5 / 6
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Saturday, April 25

- High of 49 °F, low of 26 °F (47% humidity)
- Mostly cloudy with a 66% chance of snow (1 mm of snow)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:07 AM, sunset at 7:58 PM
6 / 6
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Sunday, April 26

- High of 47 °F, low of 29 °F (76% humidity)
- Overcast with a 63% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:06 AM, sunset at 7:59 PM

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