Casper (WY)
August
Weather in Casper, Wyoming for August 2026
Your guide to Casper weather in August - trends and predictions
In general, the average temperature in Casper at the beginning of August is 31.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.9 °F by the end of August.
With an average of 2 rainy days, Casper experiences minimal rainfall in August.
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Temperatures
Rain 🌧️
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29
Dry days
2
Rainy days
0
Snow days
29°/12°
Temperatures
26 km/h
Avg max wind
46 %
Avg humidity
Casper Weather August
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Temperatures trend during August in Casper
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August weather in Casper day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Thundery outbreaks possible | 28° /14° | 0 mm | 6 | |
| Aug. 2 |  Cloudy | 32° /12° | 0 mm | 7 | |
| Aug. 3 |  Sunny | 28° /12° | 0 mm | 7 | |
| Aug. 4 | Sunny | 34° /11° | 0 mm | 8 | |
| Aug. 5 | Sunny | 32° /14° | 0 mm | 8 | |
| Aug. 6 | Sunny | 33° /13° | 0 mm | 8 | |
| Aug. 7 | Cloudy | 34° /14° | 0 mm | 7 | |
| Aug. 8 |  Partly cloudy | 27° /14° | 0 mm | 7 | |
| Aug. 9 | Sunny | 26° /9° | 0 mm | 7 | |
| Aug. 10 | Sunny | 26° /10° | 0 mm | 7 | |
| Aug. 11 | Sunny | 27° /9° | 0 mm | 7 | |
| Aug. 12 | Partly cloudy | 31° /13° | 0 mm | 8 | |
| Aug. 13 | Sunny | 34° /13° | 0 mm | 8 | |
| Aug. 14 | Cloudy | 34° /14° | 0 mm | 7 | |
| Aug. 15 | Sunny | 33° /12° | 0 mm | 8 | |
| Aug. 16 | Cloudy | 31° /16° | 0 mm | 7 | |
| Aug. 17 | Sunny | 31° /13° | 0 mm | 8 | |
| Aug. 18 | Sunny | 32° /13° | 0 mm | 8 | |
| Aug. 19 | Cloudy | 34° /12° | 0 mm | 7 | |
| Aug. 20 | Sunny | 36° /15° | 0 mm | 9 | |
| Aug. 21 | Cloudy | 26° /14° | 0 mm | 6 | |
| Aug. 22 | Thundery outbreaks possible | 28° /14° | 1.7 mm | 6 | |
| Aug. 23 | Sunny | 28° /13° | 0 mm | 7 | |
| Aug. 24 |  Overcast | 20° /13° | 0 mm | 5 | |
| Aug. 25 |  Fog | 25° /10° | 0 mm | 6 | |
| Aug. 26 | Overcast | 28° /11° | 0 mm | 6 | |
| Aug. 27 |  Heavy rain | 19° /13° | 11.9 mm | 4 | |
| Aug. 28 | Cloudy | 23° /12° | 0 mm | 5 | |
| Aug. 29 | Partly cloudy | 24° /12° | 0 mm | 6 | |
| Aug. 30 | Thundery outbreaks possible | 22° /11° | 0 mm | 5 | |
| Aug. 31 | Sunny | 26° /9° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Casper in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Casper forecast closer to your planned date for the most up-to-date weather information.
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Casper in August - FAQ
What are the expected maximum and minimum temperatures in Casper during August?
Enjoy moderate daytime temperatures of up to 29° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Casper during August?
Expect minimal rainfall in Casper during August, with a total of 13.6 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Casper during August?
The average wind speed in Casper during August is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Casper
Explore the daily rainfall trends and prepare for Caspers August weather 💧
UV exposure in Casper during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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