Weather in Yellowstone County, Montana for August 2025
Until now, August 2025 in Yellowstone County is slightly cooler than the historical average by -0.6 °F.
The forecast for the coming days of August 2025 predicts a temperature of 28 °F , which is warmer than usual.
In general, the average temperature in Yellowstone County at the beginning of August is 31.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.1 °F by the end of August.
With an average of 5 rainy days, Yellowstone County experiences minimal rainfall in August.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Yellowstone County Weather August
Temperatures trend during August in Yellowstone County
August weather in Yellowstone County day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
Aug. 1 | Sunny | 33° /17° | 0 mm | 8 | |
Aug. 2 | Partly cloudy | 35° /18° | 0 mm | 9 | |
Aug. 3 | Sunny | 34° /17° | 0 mm | 9 | |
Aug. 4 | Moderate or heavy rain shower | 33° /18° | 3 mm | 7 | |
Aug. 5 | Sunny | 30° /14° | 0 mm | 8 | |
Aug. 6 | Cloudy | 33° /15° | 0 mm | 8 | |
Aug. 7 | Heavy rain at times | 25° /15° | 1.6 mm | 6 | |
Aug. 8 | Overcast | 22° /12° | 4.2 mm | 5 | |
Aug. 9 | Partly cloudy | 27° /11° | 0 mm | 7 | |
Aug. 10 | Partly cloudy | 28° /12° | 0 mm | 7 | |
Aug. 11 | Patchy rain possible | 29° /14° | 0.4 mm | 7 | |
Aug. 12 | Partly cloudy | 32° /14° | 0.3 mm | 8 | |
Aug. 13 | Patchy rain possible | 33° /15° | 0.1 mm | 8 | |
Aug. 14 | Heavy rain at times | 31° /14° | 0.6 mm | 7 | |
Aug. 15 | Sunny | 31° /15° | 0 mm | 8 | |
Aug. 16 | Sunny | 33° /15° | 0.2 mm | 9 | |
Aug. 17 | Sunny | 32° /15° | 0 mm | 8 | |
Aug. 18 | Moderate rain at times | 35° /17° | 0.2 mm | 8 | |
Aug. 19 | Patchy rain possible | 36° /16° | 0.2 mm | 8 | |
Aug. 20 | Patchy rain possible | 34° /18° | 0.2 mm | 7 | |
Aug. 21 | Patchy rain possible | 30° /17° | 0.2 mm | 7 | |
Aug. 22 | Sunny | 26° /15° | 0 mm | 7 | |
Aug. 23 | Cloudy | 31° /13° | 0 mm | 8 | |
Aug. 24 | Cloudy | 31° /14° | 0 mm | 7 | |
Aug. 25 | Sunny | 27° /12° | 0 mm | 7 | |
Aug. 26 | Heavy rain at times | 27° /13° | 1.8 mm | 6 | |
Aug. 27 | Partly cloudy | 29° /12° | 0 mm | 7 | |
Aug. 28 | Heavy rain at times | 24° /14° | 1.5 mm | 5 | |
Aug. 29 | Moderate rain | 18° /15° | 13.6 mm | 0.9 | |
Aug. 30 | Overcast | 22° /14° | 0 mm | 1.7 | |
Aug. 31 | Sunny | 29° /9° | 0 mm | 1.6 | |
Next |
Yellowstone County in August - FAQ
August rainfall patterns in Yellowstone County
UV exposure in Yellowstone County during August
Quick links
Get accurate weather forecasts for Yellowstone County, located at latitude 45.783 and longitude -108.501. Stay updated with localized weather information tailored for Yellowstone County.