Fairfield Weather Forecast 15 Days, Weather in Fairfield Today
Current weather conditions and 15 day weather forecast for Fairfield, 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 Fairfield
| 23 December 2025 Tuesday -9.4 ° C / 15.1°F  Clear |
Feels Like : -14.5 ° C / 6°F Humidity : % 80 Pressure : 1012 mb Wind Speed : 9.7 kmph / 6 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Fairfield, MT, USA
Weather Forecast for next 15 Days for Fairfield 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 Fairfield, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 23 December 2025 Tuesday |  Mist |
-5.7 ° C (21.7°F) |
3 ° C (37.4°F) |
-2 ° C (28.5°F) |
% 87 | 0% | 0.1 | Sunrise:08:15 AM Sunset: 04:40 PM |
Moonrise:10:55 AM Moonset: 08:23 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Mist |
-3.3 ° C (26.1°F) |
-1.5 ° C (29.3°F) |
-2.5 ° C (27.6°F) |
% 97 | 0% | 0.1 | Sunrise:08:15 AM Sunset: 04:41 PM |
Moonrise:11:15 AM Moonset: 09:37 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Cloudy |
-2.9 ° C (26.8°F) |
7.6 ° C (45.7°F) |
0.1 ° C (32.2°F) |
% 89 | 0% | 0.1 | Sunrise:08:15 AM Sunset: 04:42 PM |
Moonrise:11:32 AM Moonset: 10:50 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Partly Cloudy |
-1.2 ° C (29.8°F) |
5.5 ° C (41.9°F) |
2.1 ° C (35.7°F) |
% 71 | 0% | 0.1 | Sunrise:08:16 AM Sunset: 04:42 PM |
Moonrise:11:47 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
-9.3 ° C (15.3°F) |
-4.2 ° C (24.4°F) |
-6.1 ° C (21.1°F) |
% 77 | 0% | 0 | Sunrise:08:16 AM Sunset: 04:43 PM |
Moonrise:12:03 PM Moonset: 12:04 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-3 ° C (26.5°F) |
3.5 ° C (38.2°F) |
-0.9 ° C (30.4°F) |
% 67 | 0% | 2 | Sunrise:08:16 AM Sunset: 04:44 PM |
Moonrise:12:20 PM Moonset: 01:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-1.4 ° C (29.4°F) |
5.7 ° C (42.3°F) |
0.7 ° C (33.3°F) |
% 60 | 0% | 2 | Sunrise:08:16 AM Sunset: 04:45 PM |
Moonrise:12:41 PM Moonset: 02:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
0.3 ° C (32.5°F) |
6.2 ° C (43.2°F) |
2.6 ° C (36.8°F) |
% 51 | 0% | 2 | Sunrise:08:16 AM Sunset: 04:46 PM |
Moonrise:01:08 PM Moonset: 04:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
3.2 ° C (37.8°F) |
7.9 ° C (46.3°F) |
5.6 ° C (42.1°F) |
% 46 | 0% | 3 | Sunrise:08:16 AM Sunset: 04:47 PM |
Moonrise:01:45 PM Moonset: 05:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Patchy rain nearby |
-6.1 ° C (21.1°F) |
10 ° C (50°F) |
6.1 ° C (42.9°F) |
% 55 | 85% | 2 | Sunrise:08:16 AM Sunset: 04:48 PM |
Moonrise:02:36 PM Moonset: 06:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Freezing fog |
-12.5 ° C (9.4°F) |
-6.2 ° C (20.8°F) |
-9.4 ° C (15.1°F) |
% 93 | 72% | 1 | Sunrise:08:16 AM Sunset: 04:49 PM |
Moonrise:03:45 PM Moonset: 08:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-12.3 ° C (9.9°F) |
2.9 ° C (37.2°F) |
-3.8 ° C (25.2°F) |
% 78 | 0% | 2 | Sunrise:08:16 AM Sunset: 04:50 PM |
Moonrise:05:05 PM Moonset: 09:01 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
-1.3 ° C (29.7°F) |
4.3 ° C (39.7°F) |
1.1 ° C (34°F) |
% 68 | 0% | 2 | Sunrise:08:16 AM Sunset: 04:51 PM |
Moonrise:06:31 PM Moonset: 09:40 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Sunny |
0.4 ° C (32.7°F) |
6.3 ° C (43.3°F) |
3.3 ° C (38°F) |
% 71 | 0% | 2 | Sunrise:08:16 AM Sunset: 04:52 PM |
Moonrise:07:54 PM Moonset: 10:07 AM Moon Phase ( Waning Gibbous ) |
|
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