Sedan Weather Forecast 15 Days, Weather in Sedan Today
Current weather conditions and 15 day weather forecast for Sedan, 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 Sedan
| 21 December 2025 Sunday -1.7 ° C / 28.9°F  Patchy light snow |
Feels Like : -4 ° C / 24.7°F Humidity : % 92 Pressure : 1008 mb Wind Speed : 6.1 kmph / 3.8 miles from S  Visibility : 8 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Sedan, MT, USA
Weather Forecast for next 15 Days for Sedan 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 Sedan, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 21 December 2025 Sunday |  Moderate or heavy snow showers |
-11.1 ° C (12°F) |
1.2 ° C (34.2°F) |
-5.5 ° C (22.1°F) |
% 90 | 81% | 0.1 | Sunrise:08:02 AM Sunset: 04:40 PM |
Moonrise:09:46 AM Moonset: 06:00 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Moderate snow |
-4.7 ° C (23.5°F) |
2.6 ° C (36.7°F) |
-2.9 ° C (26.8°F) |
% 88 | 68% | 0.2 | Sunrise:08:03 AM Sunset: 04:40 PM |
Moonrise:10:18 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Freezing fog |
-6.5 ° C (20.3°F) |
4.7 ° C (40.5°F) |
-1.9 ° C (28.7°F) |
% 93 | 0% | 0.2 | Sunrise:08:03 AM Sunset: 04:41 PM |
Moonrise:10:44 AM Moonset: 08:21 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Light freezing rain |
-3.8 ° C (25.1°F) |
5.2 ° C (41.4°F) |
-0.6 ° C (30.9°F) |
% 80 | 65% | 0.3 | Sunrise:08:03 AM Sunset: 04:42 PM |
Moonrise:11:05 AM Moonset: 09:34 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy moderate snow |
-4.2 ° C (24.5°F) |
3.3 ° C (37.9°F) |
-0.9 ° C (30.4°F) |
% 82 | 75% | 0 | Sunrise:08:04 AM Sunset: 04:42 PM |
Moonrise:11:24 AM Moonset: 10:45 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Light freezing rain |
-3.3 ° C (26.1°F) |
4.7 ° C (40.4°F) |
-0.7 ° C (30.7°F) |
% 73 | 86% | 1 | Sunrise:08:04 AM Sunset: 04:43 PM |
Moonrise:11:41 AM Moonset: 11:58 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Sunny |
-4.6 ° C (23.7°F) |
2.7 ° C (36.9°F) |
-1.9 ° C (28.6°F) |
% 67 | 0% | 2 | Sunrise:08:04 AM Sunset: 04:44 PM |
Moonrise:11:58 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-5.5 ° C (22.2°F) |
2.5 ° C (36.4°F) |
-2.7 ° C (27.1°F) |
% 66 | 0% | 2 | Sunrise:08:05 AM Sunset: 04:45 PM |
Moonrise:12:17 PM Moonset: 01:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-4.5 ° C (23.9°F) |
1.9 ° C (35.4°F) |
-2.9 ° C (26.8°F) |
% 79 | 0% | 2 | Sunrise:08:05 AM Sunset: 04:45 PM |
Moonrise:12:40 PM Moonset: 02:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-6.7 ° C (19.9°F) |
0.7 ° C (33.2°F) |
-3.9 ° C (25°F) |
% 61 | 0% | 2 | Sunrise:08:05 AM Sunset: 04:46 PM |
Moonrise:01:08 PM Moonset: 03:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-5.6 ° C (21.9°F) |
0.6 ° C (33.2°F) |
-3.5 ° C (25.7°F) |
% 68 | 0% | 2 | Sunrise:08:05 AM Sunset: 04:47 PM |
Moonrise:01:47 PM Moonset: 05:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Moderate or heavy snow showers |
-11.2 ° C (11.9°F) |
-4 ° C (24.7°F) |
-6.5 ° C (20.2°F) |
% 79 | 67% | 1 | Sunrise:08:05 AM Sunset: 04:48 PM |
Moonrise:02:39 PM Moonset: 06:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
-14.2 ° C (6.4°F) |
-4.5 ° C (23.8°F) |
-10.8 ° C (12.6°F) |
% 71 | 0% | 2 | Sunrise:08:05 AM Sunset: 04:49 PM |
Moonrise:03:48 PM Moonset: 07:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-13.3 ° C (8.1°F) |
-0.1 ° C (31.8°F) |
-7.4 ° C (18.7°F) |
% 76 | 0% | 2 | Sunrise:08:05 AM Sunset: 04:50 PM |
Moonrise:05:07 PM Moonset: 08:47 AM Moon Phase ( Full Moon ) |
|
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