Great Falls International Airport (GTF) 15 Day Weather Forecast, Great Falls United States
Current weather conditions and 15 day weather forecast for Great Falls International Airport in Great Falls, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at GTF
| 24 June 2026 Wed 14.6 ° C ( 58.3°F )  Partly cloudy |
Feels Like : 14.3 ° C / 57.7°F Humidity : % 63 Pressure : 1024 mb Wind Speed : 9 kmph / 5.6 miles from E 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15-day weather forecast for Great Falls International Airport, Great Falls, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 23 June 2026 Tue |  Sunny |
5.2 ° C | 23.5 ° C | 15.4 ° C | % 58 | 15.1 km/h | 3% |
| 24 June 2026 Wed | Sunny |
10.3 ° C | 23.1 ° C | 16.9 ° C | % 54 | 20.2 km/h | 3% |
| 25 June 2026 Thu |  Patchy rain nearby |
10.7 ° C | 25 ° C | 16.3 ° C | % 67 | 15.1 km/h | 61% |
| 26 June 2026 Fri |  Moderate rain |
12.3 ° C | 20.2 ° C | 15.7 ° C | % 73 | 21.2 km/h | 73% |
| 27 June 2026 Sat | Patchy rain nearby |
8.3 ° C | 23.1 ° C | 15.3 ° C | % 62 | 24.1 km/h | 57% |
| 28 June 2026 Sun |  Heavy rain |
6.8 ° C | 11.3 ° C | 10.2 ° C | % 91 | 30.6 km/h | 91% |
| 29 June 2026 Mon | Patchy rain nearby |
7.8 ° C | 20 ° C | 13.9 ° C | % 65 | 32.4 km/h | 36% |
| 30 June 2026 Tue | Sunny |
9.8 ° C | 25.1 ° C | 17.3 ° C | % 52 | 30.2 km/h | 3% |
| 01 July 2026 Wed | Patchy rain nearby |
11.1 ° C | 21.5 ° C | 16.5 ° C | % 61 | 33.1 km/h | 17% |
| 02 July 2026 Thu | Patchy rain nearby |
11.4 ° C | 24.9 ° C | 17.5 ° C | % 67 | 26.6 km/h | 57% |
| 03 July 2026 Fri | Partly Cloudy |
12.4 ° C | 27.5 ° C | 19.1 ° C | % 73 | 18.4 km/h | 17% |
| 04 July 2026 Sat | Sunny |
14.9 ° C | 34.8 ° C | 23.9 ° C | % 49 | 16.2 km/h | 2% |
| 05 July 2026 Sun | Sunny |
15.3 ° C | 33.7 ° C | 24 ° C | % 43 | 29.2 km/h | 1% |
| 06 July 2026 Mon | Sunny |
12.8 ° C | 26.9 ° C | 20.1 ° C | % 37 | 38.9 km/h | 1% |
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