World Resorts USA Casper Weather

Casper weather in August

Weather in Casper: August

Average day temperature: 83.4°F
Average night temperature: 61.1°F
Number of sunny days: 23 days
Day length: 13.2 - 14.5 hours
Number of rainy days: 1 day
Precipitation totals: 0.4 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 96°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during August were 82.9°F and 56.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Casper in August is 0.4 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 8.7 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 10.8.

Best time for vacation in Casper

Sunniest months:
July 24 days
August 23 days
September 22 days
Warmest months:
July 85.5 °F
August 83.4 °F
June 76.9 °F
Coldest months:
January 28.3 °F
February 29.0 °F
December 34.3 °F
Rainiest months:
May 2 days
October 2 days
April 1 day
Windiest months:
December 13.1 mph
February 12.3 mph
November 11.9 mph

Casper on a weather map

Casper
+25°F
NE 14 mph
Feels like: +10°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Casper
Local time: 21:14
December 05, friday
0000
25°F
NE
13 mph
0300
25°F
NE
11 mph
0600
25°F
NE
9 mph
0900
27°F
E
5 mph
1200
34°F
E
6 mph
1500
36°F
NE
9 mph
1800
28°F
N
7 mph
2100
27°F
N
8 mph
Units of measurement: °C / °F