Current weather conditions and 15 day weather forecast for Musselshell, 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 24.9 ° C / 76.8°F ![]() Cloudy |
Feels Like : 21.5 ° C / 70.7°F Humidity : % 30 Pressure : 1012 mb Wind Speed : 12.6 kmph / 7.8 miles from S ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 82 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Overcast |
9.7 ° C (49.5°F) |
25.5 ° C (77.9°F) |
17.4 ° C (63.3°F) |
% 47 | 8% | 4.6 | Sunrise:06:53 AM Sunset: 07:20 PM |
Moonrise:02:49 PM Moonset: 10:31 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Sunny |
14.8 ° C (58.7°F) |
27.1 ° C (80.7°F) |
21.1 ° C (70°F) |
% 41 | 5% | 4.6 | Sunrise:06:54 AM Sunset: 07:18 PM |
Moonrise:03:42 PM Moonset: 11:27 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
13.5 ° C (56.3°F) |
18.6 ° C (65.5°F) |
15.2 ° C (59.3°F) |
% 79 | 87% | 0.4 | Sunrise:06:55 AM Sunset: 07:16 PM |
Moonrise:04:25 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Patchy rain nearby |
12.6 ° C (54.7°F) |
22.2 ° C (71.9°F) |
16.5 ° C (61.6°F) |
% 74 | 57% | 4.1 | Sunrise:06:56 AM Sunset: 07:14 PM |
Moonrise:04:57 PM Moonset: 12:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
11.2 ° C (52.1°F) |
27.3 ° C (81.1°F) |
18.7 ° C (65.6°F) |
% 50 | 5% | 7 | Sunrise:06:58 AM Sunset: 07:12 PM |
Moonrise:05:23 PM Moonset: 01:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
9.9 ° C (49.8°F) |
19 ° C (66.2°F) |
13.6 ° C (56.5°F) |
% 40 | 7% | 5 | Sunrise:06:59 AM Sunset: 07:10 PM |
Moonrise:05:44 PM Moonset: 02:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
8.4 ° C (47.1°F) |
21.5 ° C (70.7°F) |
14.4 ° C (57.9°F) |
% 32 | 3% | 6 | Sunrise:07:00 AM Sunset: 07:08 PM |
Moonrise:06:02 PM Moonset: 03:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
11.5 ° C (52.7°F) |
24.9 ° C (76.8°F) |
18.2 ° C (64.8°F) |
% 32 | 3% | 6 | Sunrise:07:02 AM Sunset: 07:06 PM |
Moonrise:06:17 PM Moonset: 04:57 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
15.1 ° C (59.1°F) |
31.3 ° C (88.3°F) |
22.7 ° C (72.8°F) |
% 26 | 2% | 8 | Sunrise:07:03 AM Sunset: 07:04 PM |
Moonrise:06:33 PM Moonset: 06:03 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
18.5 ° C (65.3°F) |
31.7 ° C (89.1°F) |
23.1 ° C (73.6°F) |
% 31 | 36% | 7 | Sunrise:07:04 AM Sunset: 07:02 PM |
Moonrise:06:48 PM Moonset: 07:10 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Patchy rain nearby |
13.2 ° C (55.8°F) |
24 ° C (75.2°F) |
18.2 ° C (64.8°F) |
% 51 | 17% | 5 | Sunrise:07:05 AM Sunset: 07:00 PM |
Moonrise:07:06 PM Moonset: 08:19 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
8.8 ° C (47.8°F) |
13.7 ° C (56.7°F) |
11.2 ° C (52.2°F) |
% 57 | 57% | 3 | Sunrise:07:07 AM Sunset: 06:58 PM |
Moonrise:07:26 PM Moonset: 09:30 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
6.6 ° C (43.9°F) |
8.7 ° C (47.7°F) |
7.9 ° C (46.3°F) |
% 72 | 57% | 2 | Sunrise:07:08 AM Sunset: 06:56 PM |
Moonrise:07:51 PM Moonset: 10:44 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Partly Cloudy |
6 ° C (42.8°F) |
15.2 ° C (59.4°F) |
9.2 ° C (48.6°F) |
% 79 | 76% | 5 | Sunrise:07:09 AM Sunset: 06:54 PM |
Moonrise:08:25 PM Moonset: 11:59 AM Moon Phase ( Waning Gibbous ) |
|