Current weather conditions and 15 day weather forecast for Augusta 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 14.7 ° C / 58.5°F ![]() Overcast |
Feels Like : 13.4 ° C / 56.1°F Humidity : % 60 Pressure : 1014 mb Wind Speed : 3.6 kmph / 2.2 miles from E ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Sunny |
5.9 ° C (42.5°F) |
17.7 ° C (63.9°F) |
12.1 ° C (53.7°F) |
% 58 | 17% | 5 | Sunrise:07:09 AM Sunset: 07:38 PM |
Moonrise:03:12 PM Moonset: 10:43 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Sunny |
8.2 ° C (46.8°F) |
17.7 ° C (63.8°F) |
12.5 ° C (54.5°F) |
% 68 | 60% | 4.7 | Sunrise:07:11 AM Sunset: 07:36 PM |
Moonrise:04:06 PM Moonset: 11:39 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
8.1 ° C (46.5°F) |
16.6 ° C (61.9°F) |
11.6 ° C (52.9°F) |
% 73 | 49% | 4.8 | Sunrise:07:12 AM Sunset: 07:34 PM |
Moonrise:04:47 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
6.6 ° C (43.8°F) |
19.7 ° C (67.4°F) |
12.1 ° C (53.7°F) |
% 63 | 4% | 5.1 | Sunrise:07:13 AM Sunset: 07:32 PM |
Moonrise:05:19 PM Moonset: 12:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
6.8 ° C (44.2°F) |
18.3 ° C (64.9°F) |
11.9 ° C (53.4°F) |
% 48 | 4% | 5 | Sunrise:07:15 AM Sunset: 07:30 PM |
Moonrise:05:44 PM Moonset: 01:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Patchy rain nearby |
1.4 ° C (34.6°F) |
9.7 ° C (49.5°F) |
5.9 ° C (42.6°F) |
% 57 | 17% | 2 | Sunrise:07:16 AM Sunset: 07:28 PM |
Moonrise:06:04 PM Moonset: 02:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
1.6 ° C (34.9°F) |
16.7 ° C (62.1°F) |
8.4 ° C (47.2°F) |
% 53 | 6% | 5 | Sunrise:07:17 AM Sunset: 07:26 PM |
Moonrise:06:21 PM Moonset: 04:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
6.6 ° C (43.8°F) |
21.7 ° C (71.1°F) |
13.1 ° C (55.6°F) |
% 51 | 3% | 6 | Sunrise:07:19 AM Sunset: 07:23 PM |
Moonrise:06:36 PM Moonset: 05:13 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
9.7 ° C (49.4°F) |
23.6 ° C (74.5°F) |
15.5 ° C (59.9°F) |
% 44 | 6% | 5 | Sunrise:07:20 AM Sunset: 07:21 PM |
Moonrise:06:50 PM Moonset: 06:21 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
10.4 ° C (50.7°F) |
21 ° C (69.8°F) |
15.1 ° C (59.2°F) |
% 44 | 7% | 6 | Sunrise:07:21 AM Sunset: 07:19 PM |
Moonrise:07:05 PM Moonset: 07:29 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
2.1 ° C (35.8°F) |
12.1 ° C (53.8°F) |
8.7 ° C (47.6°F) |
% 52 | 3% | 4 | Sunrise:07:23 AM Sunset: 07:17 PM |
Moonrise:07:21 PM Moonset: 08:38 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
-1.3 ° C (29.7°F) |
3.4 ° C (38.2°F) |
0.7 ° C (33.2°F) |
% 68 | 36% | 2 | Sunrise:07:24 AM Sunset: 07:15 PM |
Moonrise:07:41 PM Moonset: 09:51 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
-3 ° C (26.6°F) |
7 ° C (44.6°F) |
1.6 ° C (34.9°F) |
% 76 | 18% | 2 | Sunrise:07:25 AM Sunset: 07:13 PM |
Moonrise:08:05 PM Moonset: 11:06 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
-0.7 ° C (30.7°F) |
12.4 ° C (54.4°F) |
5.2 ° C (41.3°F) |
% 63 | 7% | 4 | Sunrise:07:27 AM Sunset: 07:11 PM |
Moonrise:08:38 PM Moonset: 12:22 PM Moon Phase ( Waning Gibbous ) |
|