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 September 2026 Thursday 7.2 ° C / 45°F  Clear |
Feels Like : 6.1 ° C / 43°F Humidity : % 64 Pressure : 1018 mb Wind Speed : 6.5 kmph / 4 miles from ESE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
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 September 2026 Thursday | Sunny |
6.4 ° C (43.5°F) |
22.2 ° C (71.9°F) |
13.3 ° C (55.9°F) |
% 48 | 4% | 4.2 | Sunrise:07:29 AM Sunset: 07:34 PM |
Moonrise:06:48 PM Moonset: 05:23 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday |  Overcast |
5.6 ° C (42°F) |
14.9 ° C (58.8°F) |
10.9 ° C (51.7°F) |
% 61 | 58% | 3.1 | Sunrise:07:31 AM Sunset: 07:32 PM |
Moonrise:07:01 PM Moonset: 06:31 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday |  Patchy rain nearby |
1.6 ° C (34.8°F) |
6.8 ° C (44.3°F) |
4.6 ° C (40.3°F) |
% 78 | 67% | 1.5 | Sunrise:07:32 AM Sunset: 07:30 PM |
Moonrise:07:14 PM Moonset: 07:41 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
-0.1 ° C (31.9°F) |
10.8 ° C (51.4°F) |
4.7 ° C (40.5°F) |
% 64 | 14% | 2.9 | Sunrise:07:34 AM Sunset: 07:28 PM |
Moonrise:07:29 PM Moonset: 08:52 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
0.9 ° C (33.7°F) |
13 ° C (55.3°F) |
6.3 ° C (43.4°F) |
% 54 | 6% | 4 | Sunrise:07:35 AM Sunset: 07:26 PM |
Moonrise:07:47 PM Moonset: 10:06 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday |  Partly Cloudy |
1.9 ° C (35.4°F) |
15.3 ° C (59.5°F) |
7.7 ° C (45.8°F) |
% 51 | 6% | 5 | Sunrise:07:37 AM Sunset: 07:24 PM |
Moonrise:08:10 PM Moonset: 11:22 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
4.3 ° C (39.7°F) |
13.1 ° C (55.6°F) |
7.3 ° C (45.2°F) |
% 59 | 40% | 4 | Sunrise:07:38 AM Sunset: 07:21 PM |
Moonrise:08:41 PM Moonset: 12:40 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Patchy rain nearby |
1.6 ° C (34.9°F) |
10.2 ° C (50.4°F) |
5.2 ° C (41.3°F) |
% 73 | 26% | 3 | Sunrise:07:39 AM Sunset: 07:19 PM |
Moonrise:09:24 PM Moonset: 01:55 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Partly Cloudy |
0.7 ° C (33.3°F) |
11.1 ° C (52°F) |
5.5 ° C (42°F) |
% 59 | 10% | 4 | Sunrise:07:41 AM Sunset: 07:17 PM |
Moonrise:10:22 PM Moonset: 03:01 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Overcast |
0.6 ° C (33.1°F) |
11.9 ° C (53.4°F) |
5.9 ° C (42.6°F) |
% 53 | 8% | 4 | Sunrise:07:42 AM Sunset: 07:15 PM |
Moonrise:11:34 PM Moonset: 03:55 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Patchy rain nearby |
2.9 ° C (37.1°F) |
7.5 ° C (45.5°F) |
4.8 ° C (40.7°F) |
% 82 | 26% | 2 | Sunrise:07:44 AM Sunset: 07:13 PM |
Moonrise:Does not rise today Moonset: 04:35 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
1 ° C (33.8°F) |
14.4 ° C (57.9°F) |
7.1 ° C (44.7°F) |
% 70 | 10% | 4 | Sunrise:07:45 AM Sunset: 07:11 PM |
Moonrise:12:57 AM Moonset: 05:04 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
3.7 ° C (38.7°F) |
16.6 ° C (61.9°F) |
9.4 ° C (48.9°F) |
% 65 | 7% | 5 | Sunrise:07:47 AM Sunset: 07:09 PM |
Moonrise:02:23 AM Moonset: 05:27 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Overcast |
5.7 ° C (42.2°F) |
17.8 ° C (64.1°F) |
10.6 ° C (51.1°F) |
% 62 | 10% | 5 | Sunrise:07:48 AM Sunset: 07:07 PM |
Moonrise:03:49 AM Moonset: 05:46 PM Moon Phase ( Waning Crescent ) |
|
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