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Casper, WY Weather Forecast | 5 Day
Updated: Sat Jul 19th 2025 2:45 AM MDT
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Patchy Rain Nearby
Sat 7-19
Scattered showers with a high of 90°F and a low of 55°F. Rainfall expected in the surrounding area to have a 61% chance with an estimated 0.06in. Wind will be moderate, blowing around 20mph on average and gusts of 22.1mph at 9 AM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 94% at 6 AM and 14% being its lowest at 5 PM. Barometric pressure is its highest of 29.97inHg at 4 AM, a lowest point of 29.79inHg at 5 PM with an avg 29.87inHg.
- HI: 90°F
- LO: 55°F
- Rainfall: 61% | est. 0.06in
- Snowfall: 0%
- Wind
19.2 mph - Humidity
49% avg. - UV Index
2.6 - Air QualityModerate
- Sunrise
05:44 AM - Sunset
08:38 PM - Moonrise
12:37 AM - Moonset
04:00 PM - Moon Phase
Waning Crescent

Sunny
Sun 7-20
Sunny with a high of 91°F and a low of 59°F. Wind will be moderate, blowing around 15mph on average and gusts of 16.2mph at 4 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 61% at 6 AM and 12% being its lowest at 12 PM. Barometric pressure is its highest of 29.96inHg at 6 AM, a lowest point of 29.76inHg at 6 PM with an avg 29.86inHg.
- HI: 91°F
- LO: 59°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
14.1 mph - Humidity
29% avg. - UV Index
2.8 - Air QualityGood
- Sunrise
05:45 AM - Sunset
08:37 PM - Moonrise
01:12 AM - Moonset
05:19 PM - Moon Phase
Waning Crescent

Partly Cloudy
Mon 7-21
Partly Cloudy with a high of 92°F and a low of 60°F. Wind will be moderate, blowing around 19mph on average and gusts of 21.6mph at 4 PM. Humidity levels should be comfortable, sitting around 31% on average, the maximum being 57% at 11 PM and 16% being its lowest at 3 PM. Barometric pressure is its highest of 29.84inHg at 11 PM, a lowest point of 29.67inHg at 6 PM with an avg 29.77inHg.
- HI: 92°F
- LO: 60°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
18.8 mph - Humidity
31% avg. - UV Index
2.6 - Air QualityGood
- Sunrise
05:46 AM - Sunset
08:37 PM - Moonrise
01:57 AM - Moonset
06:32 PM - Moon Phase
Waning Crescent

Patchy Rain Nearby
Tue 7-22
Scattered showers with a high of 89°F and a low of 60°F. It will likey rain in the surrounding area, having a 80% chance of a downpour with an estimated 0.03in. Wind will be moderate, blowing around 17mph on average and gusts of 25.1mph at 10 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 84% at 6 AM and 22% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 10 PM, a lowest point of 29.74inHg at 5 PM with an avg 29.86inHg.
- HI: 89°F
- LO: 60°F
- Rainfall: 80% | est. 0.03in
- Snowfall: 0%
- Wind
16.6 mph - Humidity
56% avg. - UV Index
2.7 - Air QualityGood
- Sunrise
05:47 AM - Sunset
08:36 PM - Moonrise
02:54 AM - Moonset
07:34 PM - Moon Phase
Waning Crescent

Sunny
Wed 7-23
Sunny with a high of 90°F and a low of 60°F. Wind will be moderate, blowing around 16mph on average and gusts of 18.8mph at 12 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 79% at 6 AM and 18% being its lowest at 3 PM. Barometric pressure is its highest of 30.03inHg at 7 AM, a lowest point of 29.85inHg at 3 PM with an avg 29.96inHg.
- HI: 90°F
- LO: 60°F
- Rainfall: 0% | est. 0in
- Snowfall: 0%
- Wind
15.4 mph - Humidity
59% avg. - UV Index
0 - Air QualityTBA
- Sunrise
05:48 AM - Sunset
08:35 PM - Moonrise
04:03 AM - Moonset
08:22 PM - Moon Phase
Waning Crescent

Sunny
Thu 7-24
Sunny with a high of 93°F and a low of 63°F. Wind will be moderate, blowing around 11mph on average and gusts of 11.6mph at 6 PM. Humidity levels should be comfortable, sitting around 36% on average, the maximum being 57% at 6 AM and 17% being its lowest at 3 PM. Barometric pressure is its highest of 30inHg at 2 AM, a lowest point of 29.79inHg at 6 PM with an avg 29.92inHg.
- HI: 93°F
- LO: 63°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
10.1 mph - Humidity
36% avg. - UV Index
7 - Air QualityTBA
- Sunrise
05:49 AM - Sunset
08:34 PM - Moonrise
05:18 AM - Moonset
09:00 PM - Moon Phase
New Moon
Currently
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59°F |
30.08 inHg.
Barometer 81%
Humidity SW 5 mph Wind |
Clear |