Eureka Weather Forecast 15 Days, Weather in Eureka Today
Current weather conditions and 15 day weather forecast for Eureka, 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 Eureka
| 24 December 2025 Wednesday 0.9 ° C / 33.7°F  Clear |
Feels Like : -0.4 ° C / 31.2°F Humidity : % 84 Pressure : 1010 mb Wind Speed : 3.6 kmph / 2.2 miles from ESE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Eureka, MT, USA
Weather Forecast for next 15 Days for Eureka 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 Eureka, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 December 2025 Wednesday |  Patchy rain nearby |
-0.1 ° C (31.8°F) |
10.3 ° C (50.5°F) |
2.6 ° C (36.7°F) |
% 87 | 83% | 0.1 | Sunrise:08:32 AM Sunset: 04:48 PM |
Moonrise:11:30 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Fog |
0.6 ° C (33.1°F) |
3.1 ° C (37.6°F) |
1.9 ° C (35.4°F) |
% 98 | 0% | 0.1 | Sunrise:08:33 AM Sunset: 04:48 PM |
Moonrise:11:45 AM Moonset: 11:01 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
-3.5 ° C (25.7°F) |
2.5 ° C (36.5°F) |
1.6 ° C (35°F) |
% 96 | 75% | 0.1 | Sunrise:08:33 AM Sunset: 04:49 PM |
Moonrise:12:00 PM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Patchy light snow |
-13 ° C (8.7°F) |
-4.8 ° C (23.4°F) |
-8 ° C (17.7°F) |
% 85 | 70% | 0.1 | Sunrise:08:33 AM Sunset: 04:50 PM |
Moonrise:12:14 PM Moonset: 12:17 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Light snow |
-12.7 ° C (9.2°F) |
-3.6 ° C (25.5°F) |
-9.8 ° C (14.4°F) |
% 87 | 62% | 0 | Sunrise:08:33 AM Sunset: 04:51 PM |
Moonrise:12:30 PM Moonset: 01:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Light freezing rain |
-10.3 ° C (13.5°F) |
-2.1 ° C (28.2°F) |
-7.9 ° C (17.8°F) |
% 93 | 0% | 1 | Sunrise:08:33 AM Sunset: 04:51 PM |
Moonrise:12:49 PM Moonset: 02:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Partly Cloudy |
-9.7 ° C (14.5°F) |
-0.3 ° C (31.5°F) |
-7.1 ° C (19.2°F) |
% 89 | 0% | 2 | Sunrise:08:34 AM Sunset: 04:52 PM |
Moonrise:01:15 PM Moonset: 04:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-9 ° C (15.8°F) |
1.5 ° C (34.7°F) |
-5.9 ° C (21.3°F) |
% 87 | 0% | 2 | Sunrise:08:34 AM Sunset: 04:53 PM |
Moonrise:01:50 PM Moonset: 05:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
-9.5 ° C (14.9°F) |
-2.8 ° C (26.9°F) |
-7.6 ° C (18.4°F) |
% 88 | 0% | 2 | Sunrise:08:34 AM Sunset: 04:54 PM |
Moonrise:02:41 PM Moonset: 07:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
-8.3 ° C (17.1°F) |
0.3 ° C (32.6°F) |
-6.1 ° C (21°F) |
% 88 | 0% | 2 | Sunrise:08:33 AM Sunset: 04:55 PM |
Moonrise:03:49 PM Moonset: 08:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Freezing fog |
-8.9 ° C (16°F) |
0.3 ° C (32.5°F) |
-5.5 ° C (22.1°F) |
% 94 | 0% | 1 | Sunrise:08:33 AM Sunset: 04:56 PM |
Moonrise:05:11 PM Moonset: 09:20 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Mist |
-4.3 ° C (24.3°F) |
3.3 ° C (37.9°F) |
-1.2 ° C (29.9°F) |
% 94 | 0% | 1 | Sunrise:08:33 AM Sunset: 04:57 PM |
Moonrise:06:38 PM Moonset: 09:57 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Mist |
-3.6 ° C (25.5°F) |
3.1 ° C (37.5°F) |
-0.7 ° C (30.7°F) |
% 97 | 84% | 1 | Sunrise:08:33 AM Sunset: 04:59 PM |
Moonrise:08:03 PM Moonset: 10:23 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Mist |
-2.7 ° C (27.1°F) |
2.2 ° C (35.9°F) |
-0.9 ° C (30.3°F) |
% 94 | 73% | 1 | Sunrise:08:33 AM Sunset: 05:00 PM |
Moonrise:09:23 PM Moonset: 10:42 AM Moon Phase ( Waning Gibbous ) |
|
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