Hamilton Weather Forecast 15 Days, Weather in Hamilton Today
Current weather conditions and 15 day weather forecast for Hamilton, 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 Hamilton
| 22 December 2025 Monday 5.7 ° C / 42.2°F  Patchy rain nearby |
Feels Like : 4.7 ° C / 40.5°F Humidity : % 73 Pressure : 1012 mb Wind Speed : 4 kmph / 2.5 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 72 |
15 day weather forecast for Hamilton, MT, USA
Weather Forecast for next 15 Days for Hamilton 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 Hamilton, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Patchy rain nearby |
-6.7 ° C (19.9°F) |
8.3 ° C (46.9°F) |
-0.2 ° C (31.6°F) |
% 80 | 80% | 0.2 | Sunrise:08:17 AM Sunset: 04:54 PM |
Moonrise:10:33 AM Moonset: 07:24 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Moderate or heavy snow showers |
-6.8 ° C (19.8°F) |
6 ° C (42.8°F) |
-2.3 ° C (27.8°F) |
% 92 | 88% | 0.1 | Sunrise:08:17 AM Sunset: 04:54 PM |
Moonrise:10:59 AM Moonset: 08:35 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Moderate or heavy snow showers |
-6.2 ° C (20.8°F) |
6.7 ° C (44.1°F) |
-1.9 ° C (28.5°F) |
% 87 | 74% | 0.2 | Sunrise:08:18 AM Sunset: 04:55 PM |
Moonrise:11:20 AM Moonset: 09:48 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Light freezing rain |
-10 ° C (14°F) |
-4.4 ° C (24°F) |
-5 ° C (23°F) |
% 92 | 80% | 0.2 | Sunrise:08:18 AM Sunset: 04:56 PM |
Moonrise:11:38 AM Moonset: 11:00 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Light freezing rain |
-8.4 ° C (16.9°F) |
-3.7 ° C (25.3°F) |
-4.2 ° C (24.5°F) |
% 90 | 60% | 0 | Sunrise:08:18 AM Sunset: 04:56 PM |
Moonrise:11:55 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Sunny |
-12.7 ° C (9.1°F) |
-5.3 ° C (22.5°F) |
-7.9 ° C (17.8°F) |
% 84 | 0% | 2 | Sunrise:08:19 AM Sunset: 04:57 PM |
Moonrise:12:12 PM Moonset: 12:12 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Moderate snow |
-11 ° C (12.3°F) |
-2.3 ° C (27.8°F) |
-5.8 ° C (21.6°F) |
% 91 | 78% | 1 | Sunrise:08:19 AM Sunset: 04:58 PM |
Moonrise:12:31 PM Moonset: 01:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-11.9 ° C (10.6°F) |
-4.2 ° C (24.5°F) |
-6.6 ° C (20.1°F) |
% 86 | 0% | 2 | Sunrise:08:19 AM Sunset: 04:59 PM |
Moonrise:12:53 PM Moonset: 02:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-9.3 ° C (15.2°F) |
-3.3 ° C (26.1°F) |
-4.8 ° C (23.3°F) |
% 76 | 0% | 2 | Sunrise:08:19 AM Sunset: 04:59 PM |
Moonrise:01:22 PM Moonset: 04:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Patchy light snow |
-6.3 ° C (20.7°F) |
-2.8 ° C (27°F) |
-3.2 ° C (26.2°F) |
% 90 | 63% | 1 | Sunrise:08:19 AM Sunset: 05:00 PM |
Moonrise:02:00 PM Moonset: 05:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Light freezing rain |
-12.5 ° C (9.5°F) |
-9.1 ° C (15.7°F) |
-8.6 ° C (16.6°F) |
% 82 | 69% | 1 | Sunrise:08:19 AM Sunset: 05:01 PM |
Moonrise:02:53 PM Moonset: 06:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Partly Cloudy |
-16.8 ° C (1.8°F) |
-9.1 ° C (15.7°F) |
-11.2 ° C (11.9°F) |
% 84 | 0% | 2 | Sunrise:08:19 AM Sunset: 05:02 PM |
Moonrise:04:01 PM Moonset: 08:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-16 ° C (3.2°F) |
-8.5 ° C (16.6°F) |
-10.8 ° C (12.6°F) |
% 84 | 0% | 2 | Sunrise:08:19 AM Sunset: 05:03 PM |
Moonrise:05:21 PM Moonset: 09:03 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-13.6 ° C (7.6°F) |
-5.4 ° C (22.3°F) |
-7.6 ° C (18.3°F) |
% 77 | 0% | 2 | Sunrise:08:19 AM Sunset: 05:04 PM |
Moonrise:06:45 PM Moonset: 09:42 AM Moon Phase ( Waning Gibbous ) |
|
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