Current weather conditions and 15 day weather forecast for Barrett Field, 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 18.5 ° C / 65.3°F ![]() Patchy rain nearby |
Feels Like : 16.3 ° C / 61.3°F Humidity : % 48 Pressure : 1012 mb Wind Speed : 8.3 kmph / 5.1 miles from NNE ![]() Visibility : 10 km Precipitation (rainfall) : 0.04 mm Cloud (%) : 73 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Sunny |
8.6 ° C (47.4°F) |
22.8 ° C (73.1°F) |
15.1 ° C (59.2°F) |
% 55 | 36% | 4.9 | Sunrise:07:07 AM Sunset: 07:35 PM |
Moonrise:03:08 PM Moonset: 10:41 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Sunny |
12.2 ° C (54°F) |
22.6 ° C (72.6°F) |
16.6 ° C (61.9°F) |
% 64 | 17% | 4.5 | Sunrise:07:08 AM Sunset: 07:33 PM |
Moonrise:04:01 PM Moonset: 11:37 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Overcast |
12.2 ° C (53.9°F) |
21.3 ° C (70.3°F) |
15.7 ° C (60.3°F) |
% 67 | 66% | 4.1 | Sunrise:07:09 AM Sunset: 07:31 PM |
Moonrise:04:43 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
9.6 ° C (49.2°F) |
25 ° C (76.9°F) |
16.3 ° C (61.3°F) |
% 55 | 4% | 5 | Sunrise:07:11 AM Sunset: 07:29 PM |
Moonrise:05:15 PM Moonset: 12:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
11.2 ° C (52.2°F) |
25.4 ° C (77.6°F) |
17.4 ° C (63.4°F) |
% 39 | 2% | 6 | Sunrise:07:12 AM Sunset: 07:27 PM |
Moonrise:05:40 PM Moonset: 01:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
5.3 ° C (41.6°F) |
15.1 ° C (59.1°F) |
11.2 ° C (52.2°F) |
% 44 | 3% | 5 | Sunrise:07:13 AM Sunset: 07:25 PM |
Moonrise:06:01 PM Moonset: 02:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Cloudy |
7.2 ° C (44.9°F) |
22 ° C (71.6°F) |
14.2 ° C (57.5°F) |
% 34 | 5% | 6 | Sunrise:07:15 AM Sunset: 07:23 PM |
Moonrise:06:17 PM Moonset: 04:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
10.4 ° C (50.7°F) |
26 ° C (78.8°F) |
17.6 ° C (63.7°F) |
% 40 | 2% | 7 | Sunrise:07:16 AM Sunset: 07:21 PM |
Moonrise:06:33 PM Moonset: 05:11 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
13.9 ° C (56.9°F) |
29.5 ° C (85.1°F) |
20.9 ° C (69.7°F) |
% 31 | 3% | 7 | Sunrise:07:17 AM Sunset: 07:19 PM |
Moonrise:06:47 PM Moonset: 06:18 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Cloudy |
14.6 ° C (58.3°F) |
29.2 ° C (84.6°F) |
20.3 ° C (68.6°F) |
% 36 | 57% | 6 | Sunrise:07:19 AM Sunset: 07:17 PM |
Moonrise:07:02 PM Moonset: 07:26 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
8.6 ° C (47.5°F) |
19 ° C (66.3°F) |
14 ° C (57.2°F) |
% 46 | 5% | 5 | Sunrise:07:20 AM Sunset: 07:15 PM |
Moonrise:07:19 PM Moonset: 08:35 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Cloudy |
3.6 ° C (38.5°F) |
8 ° C (46.3°F) |
6.1 ° C (43°F) |
% 57 | 17% | 2 | Sunrise:07:21 AM Sunset: 07:13 PM |
Moonrise:07:39 PM Moonset: 09:47 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
2.1 ° C (35.8°F) |
10.5 ° C (50.9°F) |
5.9 ° C (42.6°F) |
% 67 | 16% | 3 | Sunrise:07:23 AM Sunset: 07:11 PM |
Moonrise:08:03 PM Moonset: 11:02 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
3.3 ° C (37.9°F) |
16.3 ° C (61.4°F) |
8.8 ° C (47.8°F) |
% 62 | 7% | 5 | Sunrise:07:24 AM Sunset: 07:09 PM |
Moonrise:08:36 PM Moonset: 12:18 PM Moon Phase ( Waning Gibbous ) |
|