Current weather conditions and 15 day weather forecast for Box Elder, 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 21.3 ° C / 70.3°F ![]() Overcast |
Feels Like : 18.3 ° C / 64.9°F Humidity : % 41 Pressure : 1016 mb Wind Speed : 12.6 kmph / 7.8 miles from N ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 September 2026 Friday | Overcast |
12.9 ° C (55.1°F) |
21.6 ° C (70.9°F) |
17.1 ° C (62.7°F) |
% 51 | 8% | 4.1 | Sunrise:07:01 AM Sunset: 07:27 PM |
Moonrise:04:01 PM Moonset: 11:24 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Overcast |
11.4 ° C (52.5°F) |
17.3 ° C (63.1°F) |
14.2 ° C (57.6°F) |
% 58 | 14% | 4.1 | Sunrise:07:02 AM Sunset: 07:24 PM |
Moonrise:04:42 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
10.3 ° C (50.6°F) |
20.4 ° C (68.8°F) |
14.6 ° C (58.3°F) |
% 65 | 8% | 3 | Sunrise:07:04 AM Sunset: 07:22 PM |
Moonrise:05:13 PM Moonset: 12:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
11.2 ° C (52.2°F) |
22.7 ° C (72.8°F) |
16.3 ° C (61.4°F) |
% 63 | 4% | 4.5 | Sunrise:07:05 AM Sunset: 07:20 PM |
Moonrise:05:37 PM Moonset: 01:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
13.7 ° C (56.7°F) |
23.2 ° C (73.8°F) |
18.1 ° C (64.6°F) |
% 35 | 2% | 6 | Sunrise:07:06 AM Sunset: 07:18 PM |
Moonrise:05:57 PM Moonset: 02:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
15 ° C (58.9°F) |
26.2 ° C (79.2°F) |
20.2 ° C (68.4°F) |
% 26 | 2% | 7 | Sunrise:07:08 AM Sunset: 07:16 PM |
Moonrise:06:12 PM Moonset: 03:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
18 ° C (64.4°F) |
28.8 ° C (83.9°F) |
22.8 ° C (73.1°F) |
% 26 | 4% | 7 | Sunrise:07:09 AM Sunset: 07:14 PM |
Moonrise:06:27 PM Moonset: 05:02 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
15.9 ° C (60.7°F) |
28.5 ° C (83.4°F) |
22.1 ° C (71.8°F) |
% 27 | 4% | 7 | Sunrise:07:11 AM Sunset: 07:12 PM |
Moonrise:06:40 PM Moonset: 06:10 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
7.9 ° C (46.3°F) |
20.8 ° C (69.4°F) |
10.7 ° C (51.3°F) |
% 70 | 22% | 4 | Sunrise:07:12 AM Sunset: 07:10 PM |
Moonrise:06:54 PM Moonset: 07:19 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Light rain shower |
6.7 ° C (44°F) |
11.9 ° C (53.4°F) |
8.3 ° C (46.9°F) |
% 73 | 71% | 4 | Sunrise:07:13 AM Sunset: 07:08 PM |
Moonrise:07:10 PM Moonset: 08:30 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Light rain shower |
3.1 ° C (37.6°F) |
7.3 ° C (45.2°F) |
5.2 ° C (41.4°F) |
% 95 | 94% | 2 | Sunrise:07:15 AM Sunset: 07:06 PM |
Moonrise:07:29 PM Moonset: 09:43 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Moderate or heavy snow showers |
0.8 ° C (33.4°F) |
3 ° C (37.4°F) |
1.6 ° C (34.9°F) |
% 97 | 92% | 1 | Sunrise:07:16 AM Sunset: 07:04 PM |
Moonrise:07:52 PM Moonset: 10:59 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
0.7 ° C (33.3°F) |
6.3 ° C (43.4°F) |
3 ° C (37.4°F) |
% 83 | 55% | 2 | Sunrise:07:18 AM Sunset: 07:01 PM |
Moonrise:08:24 PM Moonset: 12:16 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
3.3 ° C (37.9°F) |
15.1 ° C (59.2°F) |
8.9 ° C (48.1°F) |
% 54 | 3% | 5 | Sunrise:07:19 AM Sunset: 06:59 PM |
Moonrise:09:07 PM Moonset: 01:30 PM Moon Phase ( Last Quarter ) |
|