Jefferson City Weather Forecast 15 Days, Weather in Jefferson City Today

Current weather conditions and 15 day weather forecast for Jefferson City, 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 Jefferson City

22 December 2025 Monday
0 ° C / 32°F
Freezing fog
Freezing fog
Feels Like : -2.1 ° C / 28.3°F
Humidity : % 72
Pressure : 1006 mb
Wind Speed : 6.1 kmph / 3.8 miles from SS
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Jefferson City, MT, USA

Weather Forecast for next 15 Days for Jefferson City 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 Jefferson City, 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 Moderate or heavy snow showers -11.6 ° C
(11.1°F)
0.3 ° C
(32.5°F)
-7 ° C
(19.4°F)
% 81 61% 0.1 Sunrise:08:09 AM
Sunset: 04:45 PM
Moonrise:09:53 AM
Moonset: 06:05 PM
Moon Phase
( Waxing Crescent )
22 December 2025 Monday Partly Cloudy  Partly Cloudy -5.5 ° C
(22.1°F)
4.6 ° C
(40.3°F)
-2.4 ° C
(27.6°F)
% 84 0% 0.2 Sunrise:08:09 AM
Sunset: 04:45 PM
Moonrise:10:25 AM
Moonset: 07:15 PM
Moon Phase
( Waxing Crescent )
23 December 2025 Tuesday Mist Mist -6 ° C
(21.2°F)
6.4 ° C
(43.5°F)
-3.1 ° C
(26.4°F)
% 90 0% 0.2 Sunrise:08:09 AM
Sunset: 04:46 PM
Moonrise:10:50 AM
Moonset: 08:27 PM
Moon Phase
( Waxing Crescent )
24 December 2025 Wednesday Moderate or heavy snow showers Moderate or heavy snow showers -6.7 ° C
(19.9°F)
5 ° C
(41°F)
-2.5 ° C
(27.4°F)
% 85 63% 0.2 Sunrise:08:10 AM
Sunset: 04:47 PM
Moonrise:11:12 AM
Moonset: 09:39 PM
Moon Phase
( Waxing Crescent )
25 December 2025 Thursday Partly Cloudy  Partly Cloudy -6.4 ° C
(20.5°F)
4.3 ° C
(39.7°F)
-2.5 ° C
(27.6°F)
% 85 0% 0.2 Sunrise:08:10 AM
Sunset: 04:47 PM
Moonrise:11:30 AM
Moonset: 10:51 PM
Moon Phase
( Waxing Crescent )
26 December 2025 Friday Partly Cloudy  Partly Cloudy -5.4 ° C
(22.3°F)
3.9 ° C
(39°F)
-3.3 ° C
(26°F)
% 80 0% 0 Sunrise:08:10 AM
Sunset: 04:48 PM
Moonrise:11:47 AM
Moonset: No moonset
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Sunny Sunny -9.9 ° C
(14.3°F)
2.1 ° C
(35.8°F)
-5.3 ° C
(22.5°F)
% 71 0% 2 Sunrise:08:11 AM
Sunset: 04:49 PM
Moonrise:12:04 PM
Moonset: 12:04 AM
Moon Phase
( First Quarter )
28 December 2025 Sunday Sunny Sunny -8.5 ° C
(16.7°F)
2.5 ° C
(36.4°F)
-4.9 ° C
(23.2°F)
% 61 0% 2 Sunrise:08:11 AM
Sunset: 04:49 PM
Moonrise:12:22 PM
Moonset: 01:20 AM
Moon Phase
( Waxing Gibbous )
29 December 2025 Monday Sunny Sunny -9.1 ° C
(15.5°F)
4.7 ° C
(40.5°F)
-5.2 ° C
(22.6°F)
% 53 0% 2 Sunrise:08:11 AM
Sunset: 04:50 PM
Moonrise:12:45 PM
Moonset: 02:39 AM
Moon Phase
( Waxing Gibbous )
30 December 2025 Tuesday Sunny Sunny -7.6 ° C
(18.3°F)
5.8 ° C
(42.4°F)
-3.6 ° C
(25.6°F)
% 47 0% 2 Sunrise:08:11 AM
Sunset: 04:51 PM
Moonrise:01:13 PM
Moonset: 04:02 AM
Moon Phase
( Waxing Gibbous )
31 December 2025 Wednesday Partly Cloudy  Partly Cloudy -4.1 ° C
(24.6°F)
6.3 ° C
(43.3°F)
-1.2 ° C
(29.8°F)
% 79 0% 2 Sunrise:08:11 AM
Sunset: 04:52 PM
Moonrise:01:52 PM
Moonset: 05:28 AM
Moon Phase
( Waxing Gibbous )
01 January 2026 Thursday Partly Cloudy  Partly Cloudy -3.8 ° C
(25.1°F)
2.2 ° C
(35.9°F)
-1.6 ° C
(29.1°F)
% 77 0% 2 Sunrise:08:11 AM
Sunset: 04:53 PM
Moonrise:02:44 PM
Moonset: 06:49 AM
Moon Phase
( Waxing Gibbous )
02 January 2026 Friday Sunny Sunny -10.7 ° C
(12.7°F)
-0 ° C
(31.9°F)
-6.9 ° C
(19.6°F)
% 59 0% 2 Sunrise:08:11 AM
Sunset: 04:54 PM
Moonrise:03:52 PM
Moonset: 08:00 AM
Moon Phase
( Waxing Gibbous )
03 January 2026 Saturday Cloudy  Cloudy -9.7 ° C
(14.6°F)
4.1 ° C
(39.4°F)
-4.4 ° C
(24°F)
% 65 0% 1 Sunrise:08:11 AM
Sunset: 04:55 PM
Moonrise:05:12 PM
Moonset: 08:54 AM
Moon Phase
( Full Moon )
Jefferson City Weather forecasts are usually fully updated every 4 hours.
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