Current weather conditions and 15 day weather forecast for Fairfield 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.
| 18 September 2026 Friday 19 ° C / 66.2°F ![]() Sunny |
Feels Like : 16.1 ° C / 61°F Humidity : % 46 Pressure : 1012 mb Wind Speed : 11.5 kmph / 7.2 miles from NE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 4 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Sunny |
8.3 ° C (47°F) |
22.3 ° C (72.1°F) |
14.9 ° C (58.8°F) |
% 57 | 36% | 4.8 | Sunrise:07:08 AM Sunset: 07:36 PM |
Moonrise:03:11 PM Moonset: 10:41 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Sunny |
11.8 ° C (53.3°F) |
22.6 ° C (72.6°F) |
16.7 ° C (62°F) |
% 61 | 7% | 4.5 | Sunrise:07:09 AM Sunset: 07:34 PM |
Moonrise:04:05 PM Moonset: 11:37 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Overcast |
12.9 ° C (55.2°F) |
21.6 ° C (70.8°F) |
16.4 ° C (61.5°F) |
% 63 | 36% | 4.8 | Sunrise:07:10 AM Sunset: 07:32 PM |
Moonrise:04:46 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
9.7 ° C (49.4°F) |
24.6 ° C (76.2°F) |
16.5 ° C (61.7°F) |
% 56 | 4% | 4.9 | Sunrise:07:12 AM Sunset: 07:30 PM |
Moonrise:05:18 PM Moonset: 12:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
11 ° C (51.9°F) |
25.5 ° C (77.8°F) |
17.5 ° C (63.6°F) |
% 40 | 2% | 7 | Sunrise:07:13 AM Sunset: 07:28 PM |
Moonrise:05:43 PM Moonset: 01:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
6 ° C (42.8°F) |
15.5 ° C (59.9°F) |
11.1 ° C (52°F) |
% 45 | 3% | 5 | Sunrise:07:14 AM Sunset: 07:26 PM |
Moonrise:06:03 PM Moonset: 02:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
6.8 ° C (44.2°F) |
22.3 ° C (72.1°F) |
14.1 ° C (57.3°F) |
% 38 | 3% | 6 | Sunrise:07:16 AM Sunset: 07:24 PM |
Moonrise:06:19 PM Moonset: 04:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
10.7 ° C (51.2°F) |
25.7 ° C (78.3°F) |
17.5 ° C (63.5°F) |
% 42 | 2% | 7 | Sunrise:07:17 AM Sunset: 07:22 PM |
Moonrise:06:34 PM Moonset: 05:11 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
13.6 ° C (56.4°F) |
30.6 ° C (87.1°F) |
20.8 ° C (69.4°F) |
% 32 | 3% | 8 | Sunrise:07:18 AM Sunset: 07:20 PM |
Moonrise:06:48 PM Moonset: 06:19 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
15.5 ° C (59.9°F) |
28.6 ° C (83.5°F) |
20.7 ° C (69.3°F) |
% 34 | 36% | 7 | Sunrise:07:20 AM Sunset: 07:18 PM |
Moonrise:07:03 PM Moonset: 07:27 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
9 ° C (48.2°F) |
19.5 ° C (67.2°F) |
15.6 ° C (60°F) |
% 36 | 4% | 5 | Sunrise:07:21 AM Sunset: 07:16 PM |
Moonrise:07:19 PM Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Patchy rain nearby |
3.3 ° C (37.9°F) |
8.4 ° C (47.1°F) |
6.1 ° C (43°F) |
% 61 | 36% | 3 | Sunrise:07:23 AM Sunset: 07:14 PM |
Moonrise:07:39 PM Moonset: 09:49 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
2.1 ° C (35.8°F) |
11.2 ° C (52.2°F) |
6.2 ° C (43.1°F) |
% 63 | 14% | 4 | Sunrise:07:24 AM Sunset: 07:12 PM |
Moonrise:08:03 PM Moonset: 11:04 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
3.5 ° C (38.2°F) |
15.2 ° C (59.3°F) |
8.6 ° C (47.6°F) |
% 61 | 7% | 5 | Sunrise:07:25 AM Sunset: 07:10 PM |
Moonrise:08:35 PM Moonset: 12:21 PM Moon Phase ( Waning Gibbous ) |
|