Current weather conditions and 15 day weather forecast for Gallatin Field, Montana, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 18 September 2026 Friday 23.8 ° C / 74.9°F ![]() Overcast |
Feels Like : 20.1 ° C / 68.2°F Humidity : % 29 Pressure : 1010 mb Wind Speed : 13 kmph / 8.1 miles from S ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 95 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Overcast |
8.2 ° C (46.8°F) |
26.7 ° C (80°F) |
16 ° C (60.7°F) |
% 47 | 17% | 4.7 | Sunrise:07:05 AM Sunset: 07:32 PM |
Moonrise:02:57 PM Moonset: 10:48 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Light rain shower |
12 ° C (53.6°F) |
25.7 ° C (78.2°F) |
15.9 ° C (60.6°F) |
% 69 | 75% | 4.3 | Sunrise:07:06 AM Sunset: 07:30 PM |
Moonrise:03:51 PM Moonset: 11:44 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Light rain shower |
9.8 ° C (49.7°F) |
15.7 ° C (60.3°F) |
12.3 ° C (54.2°F) |
% 81 | 83% | 1.6 | Sunrise:07:08 AM Sunset: 07:28 PM |
Moonrise:04:33 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
9.9 ° C (49.9°F) |
23.5 ° C (74.3°F) |
14.9 ° C (58.8°F) |
% 62 | 57% | 5.7 | Sunrise:07:09 AM Sunset: 07:26 PM |
Moonrise:05:07 PM Moonset: 12:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
9.3 ° C (48.8°F) |
24.6 ° C (76.2°F) |
16.3 ° C (61.3°F) |
% 36 | 4% | 5 | Sunrise:07:10 AM Sunset: 07:24 PM |
Moonrise:05:33 PM Moonset: 01:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
7.5 ° C (45.5°F) |
15.7 ° C (60.2°F) |
11.7 ° C (53.1°F) |
% 37 | 17% | 5 | Sunrise:07:11 AM Sunset: 07:23 PM |
Moonrise:05:55 PM Moonset: 02:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
5.2 ° C (41.3°F) |
23 ° C (73.3°F) |
13.3 ° C (55.9°F) |
% 29 | 3% | 6 | Sunrise:07:13 AM Sunset: 07:21 PM |
Moonrise:06:13 PM Moonset: 04:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
9.4 ° C (48.9°F) |
25.4 ° C (77.7°F) |
16.6 ° C (61.9°F) |
% 36 | 2% | 7 | Sunrise:07:14 AM Sunset: 07:19 PM |
Moonrise:06:29 PM Moonset: 05:11 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
11.8 ° C (53.2°F) |
31.4 ° C (88.5°F) |
19.7 ° C (67.4°F) |
% 28 | 3% | 7 | Sunrise:07:15 AM Sunset: 07:17 PM |
Moonrise:06:45 PM Moonset: 06:16 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Partly Cloudy |
12.7 ° C (54.9°F) |
29.6 ° C (85.3°F) |
19.9 ° C (67.8°F) |
% 41 | 57% | 6 | Sunrise:07:16 AM Sunset: 07:15 PM |
Moonrise:07:02 PM Moonset: 07:22 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Patchy rain nearby |
10.6 ° C (51°F) |
21.4 ° C (70.6°F) |
15 ° C (59°F) |
% 61 | 58% | 5 | Sunrise:07:18 AM Sunset: 07:13 PM |
Moonrise:07:20 PM Moonset: 08:31 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
6 ° C (42.7°F) |
15.3 ° C (59.5°F) |
9.6 ° C (49.3°F) |
% 58 | 11% | 4 | Sunrise:07:19 AM Sunset: 07:11 PM |
Moonrise:07:41 PM Moonset: 09:41 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
4.4 ° C (40°F) |
11.5 ° C (52.7°F) |
7.3 ° C (45.1°F) |
% 72 | 18% | 4 | Sunrise:07:20 AM Sunset: 07:09 PM |
Moonrise:08:07 PM Moonset: 10:54 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
5.7 ° C (42.3°F) |
16.1 ° C (61°F) |
9.8 ° C (49.7°F) |
% 68 | 10% | 5 | Sunrise:07:21 AM Sunset: 07:07 PM |
Moonrise:08:41 PM Moonset: 12:09 PM Moon Phase ( Waning Gibbous ) |
|