❮
Today Hourly 7 days 30 days May
❯

May 2026 Weather | Casper, Wyoming

Fri 5/1
Sunny Weather
Day 63°
Night 30°
1
Sat 5/2
Cloudy Weather
Day 70°
Night 36°
3
Sun 5/3
Cloudy Weather
Day 68°
Night 39°
14
Mon 5/4
Cloudy Weather
Day 72°
Night 39°
25
Tue 5/5
Rainy Weather
Day 68°
Night 36°
74
Wed 5/6
Partly Sunny with Showers
Day 57°
Night 37°
57
Thu 5/7
Cloudy Weather
Day 63°
Night 39°
1
Fri 5/8
Stormy Weather
Day 64°
Night 39°
61
Sat 5/9
Rainy Weather
Day 68°
Night 43°
55
Sun 5/10
Cloudy Weather
Day 66°
Night 41°
1
Mon 5/11
Cloudy Weather
Day 68°
Night 43°
1
Tue 5/12
Cloudy Weather
Day 64°
Night 39°
20
Wed 5/13
Cloudy Weather
Day 57°
Night 41°
55
Thu 5/14
Rainy Weather
Day 59°
Night 37°
Fri 5/15
Cloudy Weather
Day 57°
Night 37°
Sat 5/16
Cloudy Weather
Day 57°
Night 36°
Sun 5/17
Cloudy Weather
Day 63°
Night 41°
Mon 5/18
Cloudy Weather
Day 66°
Night 45°
Tue 5/19
Cloudy Weather
Day 66°
Night 46°
Wed 5/20
Rainy Weather
Day 63°
Night 46°
Thu 5/21
Cloudy Weather
Day 63°
Night 43°
Fri 5/22
Rainy Weather
Day 63°
Night 43°
Sat 5/23
Cloudy Weather
Day 63°
Night 39°
Sun 5/24
Rainy Weather
Day 63°
Night 41°
Mon 5/25
Rainy Weather
Day 61°
Night 41°
Tue 5/26
Cloudy Weather
Day 63°
Night 39°
Wed 5/27
Cloudy Weather
Day 64°
Night 41°
Thu 5/28
Cloudy Weather
Day 68°
Night 48°
Fri 5/29
Cloudy Weather
Day 75°
Night 50°
Sat 5/30
Cloudy Weather
Day 73°
Night 52°
Sun 5/31
Cloudy Weather
Day 73°
Night 52°

Explore U.S. Weather Trends

❄️ Coldest Cities in the U.S. – Live Temperature Rankings 🔥 Hottest Cities Today – Real-Time Heat Observations ⚠️ Active Weather Alerts – Warnings, Watches & Advisories 🌪️ Windiest Cities – Highest Sustained Wind Speeds 🌫️ Worst Air Quality – Cities with the Highest AQI 🍃 Best Air Quality – Cities with the Lowest AQI