Current weather conditions and 15 day weather forecast for Nelson Airport, 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 21.2 ° C / 70.1°F ![]() Sunny |
Feels Like : 23.1 ° C / 73.6°F Humidity : % 75 Pressure : 1013 mb Wind Speed : 3.6 kmph / 2.2 miles from SE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 September 2026 Friday | Sunny |
16.8 ° C (62.3°F) |
23.6 ° C (74.4°F) |
20.7 ° C (69.2°F) |
% 62 | 36% | 4.4 | Sunrise:06:47 AM Sunset: 07:12 PM |
Moonrise:03:43 PM Moonset: 11:13 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
12.5 ° C (54.5°F) |
16.5 ° C (61.7°F) |
14.5 ° C (58°F) |
% 74 | 76% | 1.9 | Sunrise:06:48 AM Sunset: 07:10 PM |
Moonrise:04:24 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Patchy rain nearby |
10.9 ° C (51.7°F) |
12.4 ° C (54.3°F) |
11.4 ° C (52.6°F) |
% 89 | 87% | 0.7 | Sunrise:06:49 AM Sunset: 07:08 PM |
Moonrise:04:56 PM Moonset: 12:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Partly Cloudy |
9.8 ° C (49.7°F) |
21.5 ° C (70.7°F) |
14.2 ° C (57.5°F) |
% 72 | 11% | 3 | Sunrise:06:51 AM Sunset: 07:06 PM |
Moonrise:05:21 PM Moonset: 01:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
10.1 ° C (50.2°F) |
28.2 ° C (82.7°F) |
17.3 ° C (63.1°F) |
% 59 | 4% | 7 | Sunrise:06:52 AM Sunset: 07:04 PM |
Moonrise:05:41 PM Moonset: 02:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
13.1 ° C (55.5°F) |
23.5 ° C (74.4°F) |
18.3 ° C (65°F) |
% 42 | 1% | 5 | Sunrise:06:53 AM Sunset: 07:02 PM |
Moonrise:05:57 PM Moonset: 03:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
11.2 ° C (52.2°F) |
27.7 ° C (81.9°F) |
18.9 ° C (66°F) |
% 50 | 2% | 7 | Sunrise:06:55 AM Sunset: 07:00 PM |
Moonrise:06:12 PM Moonset: 04:48 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
16.1 ° C (60.9°F) |
28.4 ° C (83.1°F) |
22.8 ° C (73.1°F) |
% 53 | 4% | 7 | Sunrise:06:56 AM Sunset: 06:58 PM |
Moonrise:06:26 PM Moonset: 05:56 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
14.7 ° C (58.5°F) |
29 ° C (84.3°F) |
22.6 ° C (72.7°F) |
% 55 | 57% | 7 | Sunrise:06:58 AM Sunset: 06:56 PM |
Moonrise:06:40 PM Moonset: 07:04 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
10 ° C (49.9°F) |
16.2 ° C (61.1°F) |
12.5 ° C (54.4°F) |
% 46 | 2% | 5 | Sunrise:06:59 AM Sunset: 06:53 PM |
Moonrise:06:57 PM Moonset: 08:14 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Light rain shower |
5.9 ° C (42.6°F) |
9.6 ° C (49.3°F) |
8.3 ° C (47°F) |
% 70 | 66% | 3 | Sunrise:07:00 AM Sunset: 06:51 PM |
Moonrise:07:16 PM Moonset: 09:26 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Patchy rain nearby |
1.8 ° C (35.2°F) |
5.6 ° C (42.1°F) |
3.5 ° C (38.2°F) |
% 84 | 81% | 1 | Sunrise:07:02 AM Sunset: 06:49 PM |
Moonrise:07:40 PM Moonset: 10:42 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Patchy rain nearby |
1.7 ° C (35.1°F) |
5.5 ° C (41.9°F) |
3.7 ° C (38.7°F) |
% 75 | 66% | 2 | Sunrise:07:03 AM Sunset: 06:47 PM |
Moonrise:08:12 PM Moonset: 11:58 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
5.3 ° C (41.6°F) |
14.1 ° C (57.4°F) |
8.9 ° C (48°F) |
% 55 | 4% | 4 | Sunrise:07:04 AM Sunset: 06:45 PM |
Moonrise:08:55 PM Moonset: 01:12 PM Moon Phase ( Last Quarter ) |
|