Gallatin Gateway Weather Forecast 15 Days, Weather in Gallatin Gateway Today
Current weather conditions and 15 day weather forecast for Gallatin Gateway, 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.
Current weather conditions at Gallatin Gateway
| 06 December 2025 Saturday 1.1 ° C / 34°F  Overcast |
Feels Like : -1.2 ° C / 29.9°F Humidity : % 88 Pressure : 1000 mb Wind Speed : 7.2 kmph / 4.5 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 1.46 mm Cloud (%) : 100 |
15 day weather forecast for Gallatin Gateway, MT, USA
Weather Forecast for next 15 Days for Gallatin Gateway including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Gallatin Gateway, Montana state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Moderate or heavy snow showers |
-2.6 ° C (27.3°F) |
2.7 ° C (36.9°F) |
-0.8 ° C (30.5°F) |
% 88 | 84% | 0.3 | Sunrise:07:49 AM Sunset: 04:40 PM |
Moonrise:05:06 PM Moonset: 09:09 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Moderate or heavy snow showers |
-3.4 ° C (25.8°F) |
0.2 ° C (32.4°F) |
-1.4 ° C (29.6°F) |
% 89 | 80% | 0.2 | Sunrise:07:51 AM Sunset: 04:40 PM |
Moonrise:06:20 PM Moonset: 10:12 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Partly Cloudy |
-5.3 ° C (22.5°F) |
0.1 ° C (32.2°F) |
-2.5 ° C (27.5°F) |
% 80 | 0% | 0.2 | Sunrise:07:52 AM Sunset: 04:40 PM |
Moonrise:07:42 PM Moonset: 10:59 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Overcast |
-2.9 ° C (26.8°F) |
3.3 ° C (37.9°F) |
-0.2 ° C (31.6°F) |
% 82 | 0% | 0.2 | Sunrise:07:52 AM Sunset: 04:40 PM |
Moonrise:09:03 PM Moonset: 11:33 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Patchy rain nearby |
0.7 ° C (33.3°F) |
3.7 ° C (38.7°F) |
2.3 ° C (36.2°F) |
% 84 | 82% | 0.2 | Sunrise:07:53 AM Sunset: 04:40 PM |
Moonrise:10:19 PM Moonset: 11:58 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Partly Cloudy |
2.8 ° C (37°F) |
8 ° C (46.4°F) |
6.2 ° C (43.1°F) |
% 78 | 0% | 0 | Sunrise:07:54 AM Sunset: 04:40 PM |
Moonrise:11:31 PM Moonset: 12:18 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Patchy moderate snow |
-4.3 ° C (24.2°F) |
-0.6 ° C (30.9°F) |
-0.1 ° C (31.8°F) |
% 55 | 51% | 1 | Sunrise:07:55 AM Sunset: 04:40 PM |
Moonrise:No moonrise Moonset: 12:35 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Overcast |
-4.9 ° C (23.2°F) |
-0.3 ° C (31.4°F) |
-2.8 ° C (27°F) |
% 56 | 0% | 1 | Sunrise:07:56 AM Sunset: 04:40 PM |
Moonrise:12:39 AM Moonset: 12:51 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Partly Cloudy |
-1.3 ° C (29.7°F) |
3.3 ° C (37.9°F) |
0.3 ° C (32.5°F) |
% 67 | 0% | 2 | Sunrise:07:57 AM Sunset: 04:40 PM |
Moonrise:01:46 AM Moonset: 01:07 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Partly Cloudy |
0.1 ° C (32.2°F) |
6.2 ° C (43.2°F) |
2 ° C (35.6°F) |
% 54 | 0% | 2 | Sunrise:07:58 AM Sunset: 04:40 PM |
Moonrise:02:51 AM Moonset: 01:24 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Overcast |
-0.8 ° C (30.5°F) |
5.1 ° C (41.1°F) |
1.7 ° C (35°F) |
% 57 | 0% | 1 | Sunrise:07:58 AM Sunset: 04:40 PM |
Moonrise:03:57 AM Moonset: 01:44 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Heavy snow |
-2.4 ° C (27.8°F) |
1.4 ° C (34.6°F) |
0.2 ° C (32.3°F) |
% 80 | 70% | 1 | Sunrise:07:59 AM Sunset: 04:40 PM |
Moonrise:05:03 AM Moonset: 02:07 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy moderate snow |
-9 ° C (15.9°F) |
-0.6 ° C (30.9°F) |
-5.2 ° C (22.6°F) |
% 80 | 68% | 1 | Sunrise:08:00 AM Sunset: 04:41 PM |
Moonrise:06:10 AM Moonset: 02:36 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Moderate snow |
-4 ° C (24.8°F) |
-0.9 ° C (30.4°F) |
-2.3 ° C (27.8°F) |
% 93 | 76% | 1 | Sunrise:08:00 AM Sunset: 04:41 PM |
Moonrise:07:14 AM Moonset: 03:14 PM Moon Phase ( Waning Crescent ) |
|
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