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United States weather

Weather in Great Falls, Montana for August 2027

Your guide to Great Falls weather in August - trends and predictions

    Rain 🌧️

  • Great Falls experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 55.4 mm.

    • More

  • Is August a good time to visit Great Falls? check out the best time to travel to Great Falls page.

  • ✨ Is August a good time to visit Great Falls? – Ask the AI Weatherman

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/13°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
47 %
Avg humidity

Great Falls Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Thundery outbreaks possible
35°
2
Light rain
29°
3
Partly cloudy
24°
4
Thundery outbreaks possible
26°
5
Light rain
27°
6
Overcast
30°
7
Thundery outbreaks possible
29°
8
Thundery outbreaks possible
27°
9
Cloudy
28°
10
Sunny
31°
11
Sunny
30°
12
Partly cloudy
28°
13
Light rain
26°
14
Light rain
23°
15
Partly cloudy
27°
16
Light rain
25°
17
Mist
29°
18
Mist
31°
19
Sunny
33°
20
Cloudy
33°
21
Partly cloudy
29°
22
Overcast
28°
23
Sunny
30°
24
Cloudy
28°
25
Sunny
29°
26
Sunny
32°
27
Overcast
32°
28
Overcast
28°
29
Moderate rain
26°
30
Moderate rain
25°
31
Sunny
29°

Temperatures trend during August in Great Falls

See the weather trend as well as the moving average line

August weather in Great Falls day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Thundery outbreaks possible
Thundery outbreaks possible
 35° /16° 0 mm 8.9
Aug. 2 Light rain
Light rain
 29° /17° 3.3 mm 8.9
Aug. 3 Partly cloudy
Partly cloudy
 24° /13° 0.1 mm 8.8
Aug. 4 Thundery outbreaks possible
Thundery outbreaks possible
 26° /10° 0 mm 8.7
Aug. 5 Light rain
Light rain
 27° /11° 3.6 mm 8.7
Aug. 6 Overcast
Overcast
 30° /11° 0 mm 8.6
Aug. 7 Thundery outbreaks possible
Thundery outbreaks possible
 29° /13° 4.1 mm 8.6
Aug. 8 Thundery outbreaks possible
Thundery outbreaks possible
 27° /14° 0 mm 7
Aug. 9 Cloudy
Cloudy
 28° /14° 0 mm 7
Aug. 10 Sunny
Sunny
 31° /12° 0 mm 8.4
Aug. 11 Sunny
Sunny
 30° /14° 0 mm 8.3
Aug. 12 Partly cloudy
Partly cloudy
 28° /13° 0 mm 8.2
Aug. 13 Light rain
Light rain
 26° /14° 9.8 mm 7
Aug. 14 Light rain
Light rain
 23° /14° 2.8 mm 6
Aug. 15 Partly cloudy
Partly cloudy
 27° /11° 0 mm 8
Aug. 16 Light rain
Light rain
 25° /12° 2.9 mm 7
Aug. 17 Mist
Mist
 29° /13° 0 mm 7.9
Aug. 18 Mist
Mist
 31° /13° 0 mm 7
Aug. 19 Sunny
Sunny
 33° /14° 0 mm 7.7
Aug. 20 Cloudy
Cloudy
 33° /15° 0 mm 7.6
Aug. 21 Partly cloudy
Partly cloudy
 29° /13° 0 mm 7.5
Aug. 22 Overcast
Overcast
 28° /14° 0.3 mm 5
Aug. 23 Sunny
Sunny
 30° /14° 0 mm 7.4
Aug. 24 Cloudy
Cloudy
 28° /10° 0 mm 7.3
Aug. 25 Sunny
Sunny
 29° /10° 0 mm 7.2
Aug. 26 Sunny
Sunny
 32° /12° 0 mm 7
Aug. 27 Overcast
Overcast
 32° /15° 0 mm 5
Aug. 28 Overcast
Overcast
 28° /14° 0 mm 2
Aug. 29 Moderate rain
Moderate rain
 26° /15° 11.3 mm 4
Aug. 30 Moderate rain
Moderate rain
 25° /13° 17.2 mm 5
Aug. 31 Sunny
Sunny
 29° /11° 0 mm 6.7
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Important Notice
Our weather forecast for Great Falls 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 Great Falls forecast closer to your planned date for the most up-to-date weather information.
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Great Falls in August - FAQ

What are the expected maximum and minimum temperatures in Great Falls during August?
Enjoy moderate daytime temperatures of up to 28° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Great Falls during August?
Moderate rainfall is anticipated in Great Falls during August, with a total of 55.4 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Great Falls during August?
The average wind speed in Great Falls during August is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Great Falls

Explore the daily rainfall trends and prepare for Great Fallss August weather 💧
Typically, Great Falls has 6 rainy days in August with a total of 55.4 mm of rainfall.

UV exposure in Great Falls during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Get accurate weather forecasts for Great Falls, located at latitude 47.5 and longitude -111.301. Stay updated with localized weather information tailored for Great Falls.

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