St. Pierre Weather Forecast 15 Days, Weather in St. Pierre Today
Current weather conditions and 15 day weather forecast for St. Pierre, 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 St. Pierre
| 15 December 2025 Monday 6.7 ° C / 44.1°F  Sunny |
Feels Like : 2.2 ° C / 35.9°F Humidity : % 62 Pressure : 1004 mb Wind Speed : 31 kmph / 19.2 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for St. Pierre, MT, USA
Weather Forecast for next 15 Days for St. Pierre 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 St. Pierre, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday |  Partly Cloudy |
3.3 ° C (37.9°F) |
9.1 ° C (48.4°F) |
4.7 ° C (40.5°F) |
% 68 | 0% | 0.1 | Sunrise:08:04 AM Sunset: 04:25 PM |
Moonrise:03:59 AM Moonset: 01:31 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Partly Cloudy |
-1.5 ° C (29.3°F) |
1.5 ° C (34.7°F) |
0.8 ° C (33.5°F) |
% 97 | 0% | 0.1 | Sunrise:08:05 AM Sunset: 04:25 PM |
Moonrise:05:09 AM Moonset: 01:52 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Moderate or heavy snow showers |
-15.2 ° C (4.6°F) |
3.2 ° C (37.8°F) |
-1.7 ° C (29°F) |
% 85 | 81% | 0.1 | Sunrise:08:06 AM Sunset: 04:25 PM |
Moonrise:06:17 AM Moonset: 02:18 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Light freezing rain |
-15.1 ° C (4.9°F) |
-3.3 ° C (26°F) |
-7.7 ° C (18.2°F) |
% 66 | 81% | 0.1 | Sunrise:08:06 AM Sunset: 04:26 PM |
Moonrise:07:24 AM Moonset: 02:54 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
-5 ° C (23.1°F) |
2.5 ° C (36.5°F) |
0.2 ° C (32.3°F) |
% 68 | 0% | 0 | Sunrise:08:07 AM Sunset: 04:26 PM |
Moonrise:08:24 AM Moonset: 03:41 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Light freezing rain |
-6.9 ° C (19.7°F) |
-2.2 ° C (28°F) |
-4.2 ° C (24.5°F) |
% 66 | 65% | 1 | Sunrise:08:07 AM Sunset: 04:27 PM |
Moonrise:09:14 AM Moonset: 04:38 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Light freezing rain |
-3.4 ° C (25.9°F) |
1.4 ° C (34.4°F) |
-1.3 ° C (29.7°F) |
% 55 | 74% | 1 | Sunrise:08:08 AM Sunset: 04:27 PM |
Moonrise:09:54 AM Moonset: 05:45 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-6.2 ° C (20.8°F) |
4.3 ° C (39.8°F) |
1.7 ° C (35°F) |
% 71 | 0% | 2 | Sunrise:08:08 AM Sunset: 04:28 PM |
Moonrise:10:24 AM Moonset: 06:57 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Light freezing rain |
-9.8 ° C (14.4°F) |
-4.5 ° C (24°F) |
-7.2 ° C (19.1°F) |
% 71 | 70% | 1 | Sunrise:08:09 AM Sunset: 04:28 PM |
Moonrise:10:48 AM Moonset: 08:11 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-9.7 ° C (14.5°F) |
-5.1 ° C (22.9°F) |
-7.5 ° C (18.6°F) |
% 74 | 0% | 2 | Sunrise:08:09 AM Sunset: 04:29 PM |
Moonrise:11:07 AM Moonset: 09:26 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Moderate snow |
-10.3 ° C (13.4°F) |
-6.5 ° C (20.4°F) |
-7.9 ° C (17.8°F) |
% 88 | 67% | 1 | Sunrise:08:09 AM Sunset: 04:30 PM |
Moonrise:11:23 AM Moonset: 10:39 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
-11.9 ° C (10.7°F) |
-6 ° C (21.3°F) |
-9.2 ° C (15.4°F) |
% 89 | 0% | 2 | Sunrise:08:10 AM Sunset: 04:30 PM |
Moonrise:11:39 AM Moonset: 11:55 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Patchy moderate snow |
-6.3 ° C (20.6°F) |
0.3 ° C (32.5°F) |
-3.1 ° C (26.5°F) |
% 82 | 84% | 1 | Sunrise:08:10 AM Sunset: 04:31 PM |
Moonrise:11:53 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Patchy rain nearby |
-0.9 ° C (30.3°F) |
2.2 ° C (35.9°F) |
1.3 ° C (34.4°F) |
% 71 | 75% | 1 | Sunrise:08:10 AM Sunset: 04:32 PM |
Moonrise:12:10 PM Moonset: 01:13 AM Moon Phase ( Waxing Gibbous ) |
|
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