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Weather in Missoula, Montana for August 2026

Your guide to Missoula weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Missoula at the beginning of August is 28.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.1 °C by the end of August.

  • Rain 🌧️

  • Missoula experiences moderate rainfall in August, with an average of 7 rainy days and a total precipitation of 59.2 mm.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/12°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
49 %
Avg humidity

Missoula Weather August

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Temperatures trend during August in Missoula

See the weather trend as well as the moving average line

August weather in Missoula day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Sunny
Sunny
33° /13° 0 mm 9
Aug. 2 Sunny
Sunny
29° /15° 0.6 mm 7
Aug. 3 Overcast
Overcast
32° /14° 0 mm 7
Aug. 4 Moderate rain at times
Moderate rain at times
22° /14° 7.5 mm 5
Aug. 5 Overcast
Overcast
29° /11° 2.9 mm 7
Aug. 6 Patchy rain possible
Patchy rain possible
30° /13° 0.1 mm 7
Aug. 7 Overcast
Overcast
24° /13° 0 mm 6
Aug. 8 Partly cloudy
Partly cloudy
21° /9° 4 mm 6
Aug. 9 Sunny
Sunny
27° /11° 0 mm 7
Aug. 10 Patchy rain possible
Patchy rain possible
28° /12° 0.3 mm 7
Aug. 11 Sunny
Sunny
29° /13° 0 mm 7
Aug. 12 Cloudy
Cloudy
30° /13° 0 mm 7
Aug. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /15° 3.8 mm 7
Aug. 14 Overcast
Overcast
26° /13° 0 mm 7
Aug. 15 Sunny
Sunny
28° /12° 0.5 mm 7
Aug. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /12° 0.9 mm 6
Aug. 17 Sunny
Sunny
28° /11° 0 mm 7
Aug. 18 Overcast
Overcast
31° /12° 0 mm 7
Aug. 19 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /14° 1.9 mm 8
Aug. 20 Cloudy
Cloudy
28° /12° 0 mm 6
Aug. 21 Overcast
Overcast
26° /11° 0 mm 7
Aug. 22 Sunny
Sunny
28° /10° 0 mm 7
Aug. 23 Cloudy
Cloudy
31° /11° 0 mm 8
Aug. 24 Patchy rain possible
Patchy rain possible
26° /11° 0.1 mm 6
Aug. 25 Partly cloudy
Partly cloudy
26° /12° 0 mm 7
Aug. 26 Sunny
Sunny
28° /11° 0 mm 7
Aug. 27 Patchy rain possible
Patchy rain possible
27° /12° 2.3 mm 6
Aug. 28 Overcast
Overcast
17° /10° 34.3 mm 4
Aug. 29 Sunny
Sunny
25° /7° 0 mm 7
Aug. 30 Sunny
Sunny
29° /10° 0 mm 8
Aug. 31 Sunny
Sunny
31° /11° 0 mm 8
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Important Notice
Our weather forecast for Missoula 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 Missoula forecast closer to your planned date for the most up-to-date weather information.

Missoula in August - FAQ

What are the expected maximum and minimum temperatures in Missoula during August?

Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Missoula during August?

Moderate rainfall is anticipated in Missoula during August, with a total of 59.2 mm spread over approximately 7 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Missoula during August?

The average wind speed in Missoula during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Missoula

Explore the daily rainfall trends and prepare for Missoulas August weather 💧
Typically, Missoula has 7 rainy days in August with a total of 59.2 mm of rainfall.

UV exposure in Missoula during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Missoula?

Get accurate weather forecasts for Missoula, located at latitude 46.872 and longitude -113.994. Stay updated with localized weather information tailored for Missoula.

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