Augusta Weather Forecast 15 Days, Weather in Augusta Today
Current weather conditions and 15 day weather forecast for Augusta, 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.
Current weather conditions at Augusta
| 18 December 2025 Thursday -3 ° C / 26.7°F  Overcast |
Feels Like : -9 ° C / 15.8°F Humidity : % 70 Pressure : 1008 mb Wind Speed : 10.8 kmph / 6.7 miles from SW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Augusta, MT, USA
Weather Forecast for next 15 Days for Augusta including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Augusta, Montana state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Moderate or heavy snow showers |
-5.1 ° C (22.8°F) |
-1.9 ° C (28.6°F) |
-3.5 ° C (25.7°F) |
% 74 | 69% | 0.1 | Sunrise:08:13 AM Sunset: 04:41 PM |
Moonrise:07:31 AM Moonset: 03:11 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Blowing snow |
-6.3 ° C (20.7°F) |
0.1 ° C (32.2°F) |
-2.5 ° C (27.5°F) |
% 82 | 66% | 0.1 | Sunrise:08:14 AM Sunset: 04:41 PM |
Moonrise:08:30 AM Moonset: 03:58 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Moderate or heavy snow showers |
-8.1 ° C (17.4°F) |
-4 ° C (24.8°F) |
-6.2 ° C (20.8°F) |
% 75 | 74% | 0.2 | Sunrise:08:15 AM Sunset: 04:42 PM |
Moonrise:09:20 AM Moonset: 04:56 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Moderate or heavy snow showers |
-9 ° C (15.7°F) |
-1.4 ° C (29.4°F) |
-6 ° C (21.3°F) |
% 69 | 86% | 0.1 | Sunrise:08:15 AM Sunset: 04:42 PM |
Moonrise:10:00 AM Moonset: 06:02 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Patchy moderate snow |
-7 ° C (19.5°F) |
-0.4 ° C (31.3°F) |
-4 ° C (24.9°F) |
% 83 | 62% | 0 | Sunrise:08:16 AM Sunset: 04:43 PM |
Moonrise:10:32 AM Moonset: 07:13 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Partly Cloudy |
-4.3 ° C (24.3°F) |
1.9 ° C (35.5°F) |
-2.4 ° C (27.7°F) |
% 85 | 0% | 2 | Sunrise:08:16 AM Sunset: 04:43 PM |
Moonrise:10:56 AM Moonset: 08:26 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy moderate snow |
-8.9 ° C (16°F) |
-3.8 ° C (25.1°F) |
-5.4 ° C (22.3°F) |
% 78 | 78% | 1 | Sunrise:08:16 AM Sunset: 04:44 PM |
Moonrise:11:16 AM Moonset: 09:39 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Sunny |
-13.1 ° C (8.4°F) |
-3.5 ° C (25.7°F) |
-9.6 ° C (14.7°F) |
% 67 | 0% | 2 | Sunrise:08:17 AM Sunset: 04:45 PM |
Moonrise:11:34 AM Moonset: 10:52 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
-10.9 ° C (12.4°F) |
0.9 ° C (33.6°F) |
-6.6 ° C (20.2°F) |
% 63 | 0% | 2 | Sunrise:08:17 AM Sunset: 04:46 PM |
Moonrise:11:49 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-7.7 ° C (18.2°F) |
1.5 ° C (34.6°F) |
-5.1 ° C (22.8°F) |
% 61 | 0% | 2 | Sunrise:08:17 AM Sunset: 04:46 PM |
Moonrise:12:05 PM Moonset: 12:06 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-7.5 ° C (18.5°F) |
2.2 ° C (36°F) |
-4.5 ° C (23.9°F) |
% 67 | 0% | 2 | Sunrise:08:17 AM Sunset: 04:47 PM |
Moonrise:12:23 PM Moonset: 01:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-4.4 ° C (24°F) |
2.8 ° C (37.1°F) |
-2.2 ° C (28°F) |
% 63 | 0% | 2 | Sunrise:08:18 AM Sunset: 04:48 PM |
Moonrise:12:44 PM Moonset: 02:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-4 ° C (24.8°F) |
2.4 ° C (36.3°F) |
-2.1 ° C (28.3°F) |
% 69 | 0% | 2 | Sunrise:08:18 AM Sunset: 04:49 PM |
Moonrise:01:11 PM Moonset: 04:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Cloudy |
-5.3 ° C (22.4°F) |
0.6 ° C (33°F) |
-3 ° C (26.5°F) |
% 79 | 0% | 1 | Sunrise:08:18 AM Sunset: 04:50 PM |
Moonrise:01:48 PM Moonset: 05:35 AM Moon Phase ( Waxing Gibbous ) |
|
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