Current weather conditions and 15 day weather forecast for Reserve, 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 20 ° C / 68°F ![]() Partly Cloudy |
Feels Like : 15.6 ° C / 60.1°F Humidity : % 43 Pressure : 1017 mb Wind Speed : 19.4 kmph / 12.1 miles from ESE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 52 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Overcast |
7.5 ° C (45.5°F) |
20.7 ° C (69.3°F) |
15.1 ° C (59.1°F) |
% 59 | 57% | 4.5 | Sunrise:06:37 AM Sunset: 07:07 PM |
Moonrise:02:46 PM Moonset: 10:03 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Partly Cloudy |
14.2 ° C (57.5°F) |
25.7 ° C (78.3°F) |
19.4 ° C (66.9°F) |
% 65 | 60% | 4.7 | Sunrise:06:39 AM Sunset: 07:04 PM |
Moonrise:03:40 PM Moonset: 10:59 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Light rain shower |
11.8 ° C (53.3°F) |
19.2 ° C (66.6°F) |
13.6 ° C (56.4°F) |
% 89 | 91% | 2.2 | Sunrise:06:40 AM Sunset: 07:02 PM |
Moonrise:04:21 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Light rain shower |
10.4 ° C (50.7°F) |
15.8 ° C (60.5°F) |
12.7 ° C (54.8°F) |
% 82 | 86% | 2.9 | Sunrise:06:41 AM Sunset: 07:00 PM |
Moonrise:04:52 PM Moonset: 12:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
10.9 ° C (51.6°F) |
19.7 ° C (67.4°F) |
14.8 ° C (58.7°F) |
% 67 | 10% | 5 | Sunrise:06:43 AM Sunset: 06:58 PM |
Moonrise:05:16 PM Moonset: 01:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Overcast |
6.7 ° C (44.1°F) |
14.2 ° C (57.6°F) |
10.6 ° C (51.1°F) |
% 67 | 19% | 3 | Sunrise:06:44 AM Sunset: 06:56 PM |
Moonrise:05:35 PM Moonset: 02:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
6.5 ° C (43.6°F) |
15.7 ° C (60.3°F) |
12.5 ° C (54.5°F) |
% 45 | 8% | 4 | Sunrise:06:46 AM Sunset: 06:54 PM |
Moonrise:05:51 PM Moonset: 03:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
10.3 ° C (50.6°F) |
20.7 ° C (69.3°F) |
16.2 ° C (61.1°F) |
% 46 | 4% | 6 | Sunrise:06:47 AM Sunset: 06:52 PM |
Moonrise:06:05 PM Moonset: 04:39 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
16.7 ° C (62.1°F) |
28.6 ° C (83.5°F) |
21.4 ° C (70.5°F) |
% 39 | 1% | 7 | Sunrise:06:48 AM Sunset: 06:50 PM |
Moonrise:06:18 PM Moonset: 05:47 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
20.5 ° C (68.8°F) |
31 ° C (87.7°F) |
25.4 ° C (77.6°F) |
% 30 | 4% | 8 | Sunrise:06:50 AM Sunset: 06:48 PM |
Moonrise:06:32 PM Moonset: 06:56 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
11.3 ° C (52.3°F) |
26.2 ° C (79.1°F) |
20.1 ° C (68.1°F) |
% 39 | 8% | 6 | Sunrise:06:51 AM Sunset: 06:45 PM |
Moonrise:06:47 PM Moonset: 08:07 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
6.5 ° C (43.7°F) |
10.6 ° C (51°F) |
9 ° C (48.2°F) |
% 49 | 8% | 3 | Sunrise:06:53 AM Sunset: 06:43 PM |
Moonrise:07:05 PM Moonset: 09:20 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
5.2 ° C (41.4°F) |
12.5 ° C (54.5°F) |
9.4 ° C (48.9°F) |
% 38 | 3% | 4 | Sunrise:06:54 AM Sunset: 06:41 PM |
Moonrise:07:28 PM Moonset: 10:36 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Light rain shower |
1.2 ° C (34.2°F) |
10.7 ° C (51.2°F) |
4.1 ° C (39.4°F) |
% 74 | 84% | 2 | Sunrise:06:56 AM Sunset: 06:39 PM |
Moonrise:07:59 PM Moonset: 11:54 AM Moon Phase ( Waning Gibbous ) |
|