Forsyth Weather Forecast 15 Days, Weather in Forsyth Today
Current weather conditions and 15 day weather forecast for Forsyth, 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 Forsyth
| 05 December 2025 Friday 1.7 ° C / 35.1°F  Overcast |
Feels Like : -3.6 ° C / 25.6°F Humidity : % 88 Pressure : 1011 mb Wind Speed : 23.8 kmph / 14.8 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Forsyth, MT, USA
Weather Forecast for next 15 Days for Forsyth 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 Forsyth, 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 snow |
-1.2 ° C (29.9°F) |
2.4 ° C (36.3°F) |
0.3 ° C (32.6°F) |
% 90 | 89% | 0.2 | Sunrise:07:34 AM Sunset: 04:21 PM |
Moonrise:04:44 PM Moonset: 08:54 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Moderate snow |
-7.8 ° C (18.1°F) |
-0.3 ° C (31.5°F) |
-3.2 ° C (26.3°F) |
% 88 | 61% | 0.2 | Sunrise:07:35 AM Sunset: 04:20 PM |
Moonrise:05:59 PM Moonset: 09:57 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Overcast |
-9.8 ° C (14.4°F) |
3 ° C (37.4°F) |
-3.7 ° C (25.3°F) |
% 84 | 0% | 0.2 | Sunrise:07:36 AM Sunset: 04:20 PM |
Moonrise:07:21 PM Moonset: 10:44 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Partly Cloudy |
0.6 ° C (33°F) |
3.7 ° C (38.6°F) |
2.4 ° C (36.3°F) |
% 78 | 0% | 0.2 | Sunrise:07:37 AM Sunset: 04:20 PM |
Moonrise:08:42 PM Moonset: 11:17 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Patchy rain nearby |
-2 ° C (28.4°F) |
6.6 ° C (43.8°F) |
3.1 ° C (37.6°F) |
% 75 | 65% | 0 | Sunrise:07:38 AM Sunset: 04:20 PM |
Moonrise:10:00 PM Moonset: 11:42 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Overcast |
-2.1 ° C (28.2°F) |
2.1 ° C (35.8°F) |
0.5 ° C (32.9°F) |
% 87 | 0% | 1 | Sunrise:07:39 AM Sunset: 04:20 PM |
Moonrise:11:12 PM Moonset: 12:02 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Blizzard |
-8.9 ° C (16.1°F) |
-0 ° C (31.9°F) |
-2.5 ° C (27.4°F) |
% 90 | 75% | 1 | Sunrise:07:40 AM Sunset: 04:20 PM |
Moonrise:No moonrise Moonset: 12:18 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday |  Heavy snow |
-10.6 ° C (13°F) |
-8.3 ° C (17°F) |
-8.9 ° C (16°F) |
% 92 | 88% | 1 | Sunrise:07:41 AM Sunset: 04:20 PM |
Moonrise:12:21 AM Moonset: 12:34 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday |  Light freezing rain |
-11 ° C (12.2°F) |
-7 ° C (19.4°F) |
-9.4 ° C (15°F) |
% 93 | 86% | 1 | Sunrise:07:42 AM Sunset: 04:20 PM |
Moonrise:01:28 AM Moonset: 12:49 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Light snow |
-13.2 ° C (8.2°F) |
-10.5 ° C (13.1°F) |
-12.2 ° C (10.1°F) |
% 94 | 78% | 1 | Sunrise:07:43 AM Sunset: 04:20 PM |
Moonrise:02:34 AM Moonset: 01:06 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Freezing fog |
-23.4 ° C (-10.2°F) |
-11.5 ° C (11.3°F) |
-18 ° C (-0.4°F) |
% 95 | 72% | 1 | Sunrise:07:43 AM Sunset: 04:21 PM |
Moonrise:03:40 AM Moonset: 01:25 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Moderate snow |
-23.7 ° C (-10.7°F) |
-17.8 ° C (-0°F) |
-20.3 ° C (-4.6°F) |
% 97 | 89% | 1 | Sunrise:07:44 AM Sunset: 04:21 PM |
Moonrise:04:47 AM Moonset: 01:47 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Light snow |
-27 ° C (-16.6°F) |
-19.3 ° C (-2.8°F) |
-21.5 ° C (-6.7°F) |
% 97 | 77% | 1 | Sunrise:07:45 AM Sunset: 04:21 PM |
Moonrise:05:55 AM Moonset: 02:16 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Moderate snow |
-25.6 ° C (-14°F) |
-16.1 ° C (3°F) |
-21.7 ° C (-7.1°F) |
% 95 | 72% | 1 | Sunrise:07:45 AM Sunset: 04:22 PM |
Moonrise:06:59 AM Moonset: 02:53 PM Moon Phase ( Waning Crescent ) |
|
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