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United States weather

Weather in Great Falls, Montana for June 2026

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

    Temperatures

  • The forecast for the next days in Great Falls predicts temperatures to be around 20 °C, close to the historical average.

  • In general, the average temperature in Great Falls at the beginning of June is 19.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 26.7 °C by the end of June.

    • Rain 🌧️

  • Great Falls experiences moderate rainfall in June, with an average of 6 rainy days and a total precipitation of 97.8 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/8°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
57 %
Avg humidity

Great Falls Weather June

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

Temperatures trend during June in Great Falls

See the weather trend as well as the moving average line

June weather in Great Falls day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
Jun. 1 Overcast
Overcast
 17° /9° 0.3 mm 7
Jun. 2 Moderate rain
Moderate rain
 12° /6° 16.6 mm 5
Jun. 3 Mist
Mist
 20° /0° 0 mm 10
Jun. 4 Patchy rain possible
Patchy rain possible
 22° /10° 2 mm 6
Jun. 5 Sunny
Sunny
 26° /8° 0 mm 9
Jun. 6 Patchy rain possible
Patchy rain possible
 24° /10° 1.3 mm 8
Jun. 7 Patchy rain possible
Patchy rain possible
 18° /8° 2.4 mm 3
Jun. 8 Sunny
Sunny
 22° /6° 0 mm 4
Jun. 9 Patchy rain possible
Patchy rain possible
 21° /12° 1.1 mm 4
Jun. 10 Patchy rain possible
Patchy rain possible
 13° /9° 0.4 mm 3
Jun. 11 Patchy rain possible
Patchy rain possible
 14° /9° 2.1 mm 3
Jun. 12 Patchy rain possible
Patchy rain possible
 18° /9° 3.2 mm 3
Jun. 13 Partly cloudy
Partly cloudy
 18° /6° 0 mm 4
Jun. 14 Partly cloudy
Partly cloudy
 19° /9° 0 mm 4
Jun. 15 Patchy rain possible
Patchy rain possible
 18° /11° 0.1 mm 3
Jun. 16 Sunny
Sunny
 22° /9° 0 mm 5
Jun. 17 Mist
Mist
 28° /10° 0 mm 10
Jun. 18 Sunny
Sunny
 28° /7° 0 mm 10
Jun. 19 Partly cloudy
Partly cloudy
 28° /9° 0 mm 10
Jun. 20 Light rain shower
Light rain shower
 21° /12° 11.8 mm 2
Jun. 21 Overcast
Overcast
 15° /8° 0 mm 8
Jun. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /4° 24.4 mm 2
Jun. 23 Cloudy
Cloudy
 22° /0° 0 mm 10
Jun. 24 Sunny
Sunny
 26° /4° 0 mm 10
Jun. 25 Sunny
Sunny
 30° /7° 0 mm 10
Jun. 26 Thundery outbreaks possible
Thundery outbreaks possible
 25° /11° 0 mm 6
Jun. 27 Mist
Mist
 25° /12° 0 mm 5
Jun. 28 Sunny
Sunny
 25° /9° 0 mm 10
Jun. 29 Sunny
Sunny
 26° /7° 0 mm 10
Jun. 30 Sunny
Sunny
 30° /9° 0 mm 10
Next
Important Notice
Our weather forecast for Great Falls in June 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 June - FAQ

What are the expected maximum and minimum temperatures in Great Falls during June?

Enjoy moderate daytime temperatures of up to 24° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Great Falls during June?

Moderate rainfall is anticipated in Great Falls during June, with a total of 97.8 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Great Falls during June?

The average wind speed in Great Falls during June is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in Great Falls

Explore the daily rainfall trends and prepare for Great Fallss June weather 💧
Typically, Great Falls has 6 rainy days in June with a total of 97.8 mm of rainfall.

UV exposure in Great Falls during June

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

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Location coordinates Where is Great Falls?

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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