Current weather conditions and 15 day weather forecast for Marysville, 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 22.1 ° C / 71.7°F ![]() Patchy rain nearby |
Feels Like : 20 ° C / 68°F Humidity : % 33 Pressure : 1010 mb Wind Speed : 4.7 kmph / 2.9 miles from E ![]() Visibility : 10 km Precipitation (rainfall) : 0.06 mm Cloud (%) : 75 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Sunny |
6.8 ° C (44.3°F) |
22.5 ° C (72.6°F) |
13.4 ° C (56.1°F) |
% 61 | 62% | 5.1 | Sunrise:07:09 AM Sunset: 07:37 PM |
Moonrise:03:07 PM Moonset: 10:47 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Sunny |
10.2 ° C (50.4°F) |
22.2 ° C (71.9°F) |
13.9 ° C (57°F) |
% 74 | 72% | 4.6 | Sunrise:07:11 AM Sunset: 07:35 PM |
Moonrise:04:01 PM Moonset: 11:43 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
7.9 ° C (46.2°F) |
17.2 ° C (62.9°F) |
12.5 ° C (54.5°F) |
% 75 | 75% | 2.5 | Sunrise:07:12 AM Sunset: 07:33 PM |
Moonrise:04:43 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
6.3 ° C (43.3°F) |
21.9 ° C (71.4°F) |
13.1 ° C (55.5°F) |
% 60 | 17% | 5.2 | Sunrise:07:13 AM Sunset: 07:31 PM |
Moonrise:05:16 PM Moonset: 12:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
8.5 ° C (47.2°F) |
21.7 ° C (71°F) |
14.7 ° C (58.4°F) |
% 42 | 4% | 6 | Sunrise:07:14 AM Sunset: 07:29 PM |
Moonrise:05:41 PM Moonset: 01:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
4 ° C (39.2°F) |
13.2 ° C (55.7°F) |
8.7 ° C (47.7°F) |
% 47 | 4% | 4 | Sunrise:07:16 AM Sunset: 07:27 PM |
Moonrise:06:02 PM Moonset: 03:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
3.5 ° C (38.3°F) |
19.3 ° C (66.7°F) |
11 ° C (51.8°F) |
% 41 | 2% | 5 | Sunrise:07:17 AM Sunset: 07:25 PM |
Moonrise:06:19 PM Moonset: 04:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
8.2 ° C (46.7°F) |
24.5 ° C (76.1°F) |
15.5 ° C (60°F) |
% 44 | 3% | 6 | Sunrise:07:18 AM Sunset: 07:23 PM |
Moonrise:06:35 PM Moonset: 05:14 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
11.3 ° C (52.3°F) |
28 ° C (82.4°F) |
18.1 ° C (64.6°F) |
% 36 | 4% | 7 | Sunrise:07:20 AM Sunset: 07:21 PM |
Moonrise:06:50 PM Moonset: 06:20 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
10.8 ° C (51.4°F) |
26.3 ° C (79.3°F) |
16.5 ° C (61.8°F) |
% 45 | 57% | 7 | Sunrise:07:21 AM Sunset: 07:19 PM |
Moonrise:07:05 PM Moonset: 07:28 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
5.8 ° C (42.4°F) |
15.1 ° C (59.2°F) |
10.2 ° C (50.3°F) |
% 60 | 7% | 5 | Sunrise:07:22 AM Sunset: 07:17 PM |
Moonrise:07:22 PM Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
1.5 ° C (34.7°F) |
7.4 ° C (45.4°F) |
4.8 ° C (40.7°F) |
% 54 | 11% | 3 | Sunrise:07:24 AM Sunset: 07:15 PM |
Moonrise:07:42 PM Moonset: 09:48 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
1.1 ° C (34°F) |
9.7 ° C (49.5°F) |
4.8 ° C (40.6°F) |
% 67 | 16% | 2 | Sunrise:07:25 AM Sunset: 07:13 PM |
Moonrise:08:08 PM Moonset: 11:02 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
2 ° C (35.5°F) |
15.8 ° C (60.5°F) |
7.7 ° C (45.9°F) |
% 58 | 4% | 5 | Sunrise:07:26 AM Sunset: 07:11 PM |
Moonrise:08:41 PM Moonset: 12:18 PM Moon Phase ( Waning Gibbous ) |
|