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Weather in Casper, United States 🇺🇸

Weather Forecast in Casper

Current Weather in Casper

Heat Advisory issued July 24 at 9:34AM MDT until July 25 at 6:00PM MDT by NWS Rapid City SD
Clear
23°C
Feels like 24°C. Clear.
🌬️ 11 km/h WNW
💧 34% Humidity
🧭 1020 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 4°C
🌅 Sunrise: 05:48 AM
🌇 Sunset: 08:35 PM
Map Overlays:

Casper currently sits at 23°C, clear, feeling like 24°C. Expect 34% humidity and winds of about 11 km/h, and the UV index is 0 (low). The next few days in Casper look set for about 18°C up to 38°C. ⚠️ Heat Advisory issued July 24 at 9:34AM MDT until July 25 at 6:00PM MDT by NWS Rapid City SD

Hourly Forecast for Casper

00:00
Clear
23°
1%
01:00
Clear
22°
1%
02:00
Clear
22°
2%
03:00
Clear
21°
2%
04:00
Clear
21°
1%
05:00
Clear
21°
1%
06:00
Sunny
21°
1%
07:00
Sunny
23°
1%
08:00
Sunny
28°
1%
09:00
Overcast
30°
9%
10:00
Overcast
32°
9%
11:00
Sunny
34°
1%
12:00
Sunny
35°
0%
13:00
Sunny
36°
1%
14:00
Sunny
37°
1%
15:00
Overcast
38°
9%
16:00
Partly Cloudy
37°
3%
17:00
Partly Cloudy
37°
3%
18:00
Partly Cloudy
37°
3%
19:00
Patchy rain nearby
36°
6%
20:00
Partly Cloudy
33°
2%
21:00
Clear
24°
1%
22:00
Patchy rain nearby
23°
17%
23:00
Partly Cloudy
23°
3%

14-Day Forecast for Casper

Fri, Jul 24
Sunny Sunny
35° / 18°
Sat, Jul 25
Sunny Sunny
38° / 21°
Sun, Jul 26
Sunny Sunny
38° / 21°
Mon, Jul 27
Sunny Sunny
38° / 20°
Tue, Jul 28
Sunny Sunny
37° / 18°
Wed, Jul 29
Sunny Sunny
37° / 19°
Thu, Jul 30
Sunny Sunny
36° / 20°
Fri, Jul 31
Sunny Sunny
35° / 16°
Sat, Aug 01
Sunny Sunny
36° / 20°
Sun, Aug 02
Sunny Sunny
38° / 18°
Mon, Aug 03
Sunny Sunny
34° / 16°
Tue, Aug 04
Sunny Sunny
39° / 16°
Wed, Aug 05
Sunny Sunny
37° / 23°
Thu, Aug 06
Sunny Sunny
34° / 16°

Additional Forecasts for Casper

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 148.0 μg/m³
O₃ (Ozone) 49.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.0 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 4.8 μg/m³
PM10 (Coarse particles) 5.6 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Casper Today

The most comfortable window in Casper today looks like 06:00 to 08:00, when it is around 24°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Casper

What is the temperature in Casper right now?

The current temperature in Casper is 23°C (74°F), clear (feels like 24°C).

What's the weather like in Casper right now?

Conditions in Casper right now: Clear, humidity 34%, wind 11 km/h WNW.

What is today's forecast for Casper?

Today in Casper: high 35°C, low 18°C, sunny. Chance of rain: 1%.

What is the 7-day weather forecast for Casper?

Daily highs and lows for Casper:

  • 2026-07-24: 35°C / 18°C
  • 2026-07-25: 38°C / 21°C
  • 2026-07-26: 38°C / 21°C
  • 2026-07-27: 38°C / 20°C
  • 2026-07-28: 37°C / 18°C
  • 2026-07-29: 37°C / 19°C
  • 2026-07-30: 36°C / 20°C
Is it going to rain in Casper today?

There is a 1% chance of rain in Casper today.

What is the wind speed in Casper right now?

Wind in Casper is currently 11 km/h (7 mph) from the WNW.

What is the UV index in Casper right now?

The UV index in Casper is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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