J B Airport Weather Forecast 15 Days, Weather in MT90 Today
Current weather conditions and 15 day weather forecast for J B Airport, 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 J B Airport
| 15 December 2025 Monday -4.6 ° C / 23.7°F  Clear |
Feels Like : -5.9 ° C / 21.3°F Humidity : % 81 Pressure : 1015 mb Wind Speed : 3.6 kmph / 2.2 miles from E  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for J B Airport, MT, USA
Weather Forecast for next 15 Days for J B Airport 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 J B Airport, 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 | Sunny |
-2.3 ° C (27.9°F) |
2.9 ° C (37.2°F) |
0.1 ° C (32.3°F) |
% 77 | 0% | 0.2 | Sunrise:07:47 AM Sunset: 04:05 PM |
Moonrise:03:41 AM Moonset: 01:11 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Overcast |
-1.9 ° C (28.7°F) |
2.5 ° C (36.5°F) |
1.1 ° C (33.9°F) |
% 92 | 0% | 0.1 | Sunrise:07:48 AM Sunset: 04:05 PM |
Moonrise:04:50 AM Moonset: 01:31 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Freezing fog |
-8.9 ° C (16.1°F) |
1.4 ° C (34.5°F) |
-2.3 ° C (27.9°F) |
% 90 | 66% | 0.1 | Sunrise:07:49 AM Sunset: 04:05 PM |
Moonrise:06:00 AM Moonset: 01:57 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Moderate snow |
-18.5 ° C (-1.2°F) |
-15.3 ° C (4.4°F) |
-15.8 ° C (3.5°F) |
% 77 | 88% | 0.2 | Sunrise:07:49 AM Sunset: 04:06 PM |
Moonrise:07:07 AM Moonset: 02:32 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Light freezing rain |
-14.8 ° C (5.4°F) |
-0.3 ° C (31.5°F) |
-8.4 ° C (16.9°F) |
% 86 | 81% | 0 | Sunrise:07:50 AM Sunset: 04:06 PM |
Moonrise:08:07 AM Moonset: 03:19 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-14.6 ° C (5.7°F) |
-12.2 ° C (10°F) |
-12.9 ° C (8.8°F) |
% 80 | 0% | 2 | Sunrise:07:51 AM Sunset: 04:06 PM |
Moonrise:08:57 AM Moonset: 04:16 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Light freezing rain |
-14 ° C (6.8°F) |
-4.2 ° C (24.4°F) |
-8.3 ° C (17°F) |
% 84 | 73% | 1 | Sunrise:07:51 AM Sunset: 04:07 PM |
Moonrise:09:37 AM Moonset: 05:24 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Overcast |
-7.7 ° C (18.1°F) |
2.3 ° C (36.1°F) |
-2.8 ° C (27°F) |
% 85 | 0% | 1 | Sunrise:07:52 AM Sunset: 04:07 PM |
Moonrise:10:07 AM Moonset: 06:36 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Moderate snow |
-16.2 ° C (2.8°F) |
-11.7 ° C (10.9°F) |
-13.7 ° C (7.3°F) |
% 85 | 80% | 1 | Sunrise:07:52 AM Sunset: 04:08 PM |
Moonrise:10:30 AM Moonset: 07:50 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
-17.6 ° C (0.4°F) |
-11.4 ° C (11.4°F) |
-14.8 ° C (5.3°F) |
% 80 | 0% | 2 | Sunrise:07:52 AM Sunset: 04:09 PM |
Moonrise:10:49 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Heavy snow |
-18.3 ° C (-0.9°F) |
-9.9 ° C (14.2°F) |
-12 ° C (10.4°F) |
% 92 | 83% | 1 | Sunrise:07:53 AM Sunset: 04:09 PM |
Moonrise:11:05 AM Moonset: 10:19 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Cloudy |
-23.8 ° C (-10.8°F) |
-13.7 ° C (7.3°F) |
-18.4 ° C (-1.1°F) |
% 92 | 0% | 1 | Sunrise:07:53 AM Sunset: 04:10 PM |
Moonrise:11:20 AM Moonset: 11:35 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Freezing fog |
-16.4 ° C (2.5°F) |
-7.9 ° C (17.8°F) |
-12 ° C (10.4°F) |
% 97 | 0% | 1 | Sunrise:07:53 AM Sunset: 04:11 PM |
Moonrise:11:34 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Overcast |
-10.3 ° C (13.5°F) |
-6.2 ° C (20.8°F) |
-8.9 ° C (16°F) |
% 92 | 0% | 1 | Sunrise:07:53 AM Sunset: 04:12 PM |
Moonrise:11:50 AM Moonset: 12:53 AM Moon Phase ( Waxing Gibbous ) |
|
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