Weather forecast for 10 daysEureka, MT
Weather forecast for the weekend
Saturday Oct 17, 2026
- 66°F
- 36°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphS 190°
- Humidity: 51%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:46 pm MDT
- details ▼
On Saturday, in Eureka, clouds and sunshine will alternate throughout the day.
Temperature readings are forecasted to span from a high of an enjoyable 66.2°F to a low of a wintry 35.6°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 65.8°F.
Sunrise was at 8:04 am and sunset will be at 6:46 pm; the daylight will last for 10h and 43min.
Temperature readings are forecasted to span from a high of an enjoyable 66.2°F to a low of a wintry 35.6°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 65.8°F.
Sunrise was at 8:04 am and sunset will be at 6:46 pm; the daylight will last for 10h and 43min.
Sunday Oct 18, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphE 94°
- Humidity: 58%
- UV index: 2
- Sunrise: 8:05 am MDT
- Sunset: 6:44 pm MDT
- details ▼
Tomorrow, sunshine will likely continue with scattered clouds at most.
The temperature will vary between a maximum of a comfortable 60.8°F and a minimum of an icy 35.6°F.
Tomorrow, the maximum temperature of 60.8°F will resemble September's climate more than October's.
Sunrise will be at 8:05 am and sunset at 6:44 pm; tomorrow's daylight will last for 10h and 39min.
The temperature will vary between a maximum of a comfortable 60.8°F and a minimum of an icy 35.6°F.
Tomorrow, the maximum temperature of 60.8°F will resemble September's climate more than October's.
Sunrise will be at 8:05 am and sunset at 6:44 pm; tomorrow's daylight will last for 10h and 39min.
10-day overview
Daily temperatures
Warmest day: today 66°C.
Coldest day: Monday 26.10. 46°C.
Coldest day: Monday 26.10. 46°C.
Chance of precipitation
Highest chance: Friday 46%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 66°F
- 36°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphS 190°
- Humidity: 51%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:46 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphE 94°
- Humidity: 58%
- UV index: 2
- Sunrise: 8:05 am MDT
- Sunset: 6:44 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 39°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphN 355°
- Humidity: 55%
- UV index: 2
- Sunrise: 8:07 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 37°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNNW 335°
- Humidity: 60%
- UV index: 2
- Sunrise: 8:08 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 112°
- Humidity: 55%
- UV index: 2
- Sunrise: 8:10 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0.04"
- Wind: 5mphSE 136°
- Humidity: 59%
- UV index: 2
- Sunrise: 8:11 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 52°F
- 34°F
Showers
- Precip. probability: 46%
- Precipitation: 0.12"
- Wind: 6mphSW 223°
- Humidity: 79%
- UV index: 1
- Sunrise: 8:13 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 50°F
- 30°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 5mphSSE 163°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:15 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 48°F
- 30°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphE 82°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:16 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 32°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphENE 73°
- Humidity: 69%
- UV index: 2
- Sunrise: 8:18 am MDT
- Sunset: 6:30 pm MDT
- details ▼
For the next ten days, a combination of overcast, mostly clear and rain-filled weather is forecasted.
With a probability of 46%, rainfall is anticipated only on Friday. The precipitation will be minimal at 0.12".
Temperature variation will be noticeable in the upcoming period. The maximum temperature will vary between 46.4°F and 66.2°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 30.2°F to 42.8°F.
Today is the warmest day, with a maximum temperature of 66.2°F; with the highest temperature of 46.4°F, next Monday will be the coldest day.
With a probability of 46%, rainfall is anticipated only on Friday. The precipitation will be minimal at 0.12".
Temperature variation will be noticeable in the upcoming period. The maximum temperature will vary between 46.4°F and 66.2°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 30.2°F to 42.8°F.
Today is the warmest day, with a maximum temperature of 66.2°F; with the highest temperature of 46.4°F, next Monday will be the coldest day.
Updated: Oct 17, 2026 @ 14:58:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Saturday, sunlight and clouds will take turns dominating the sky.
Today, the highest temperature in Eureka will be 66.2°F, while the lowest temperature will be 35.6°F.
Today, the highest temperature will be noticeably higher than the average maximum of 49.1°F in October. Today, the lowest temperature will be relatively higher than the average low temperature.
Today, the highest temperature will be noticeably higher than the average maximum of 49.1°F in October. Today, the lowest temperature will be relatively higher than the average low temperature.
On Saturday, in Eureka, sunrise was at 8:04 am and sunset will be at 6:46 pm (MDT).
In Eureka, today, there will be 10h and 43min of daylight.
On Sunday, in Eureka, the forecast calls for abundant sunshine.
Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 35.6°F.
The highest temperature will be noticeably higher than the average maximum of 49.1°F in October. Tomorrow, the lowest temperature will be a few degrees higher than the average low temperature.
The highest temperature will be noticeably higher than the average maximum of 49.1°F in October. Tomorrow, the lowest temperature will be a few degrees higher than the average low temperature.
On Sunday, in Eureka, sunrise will be at 8:05 am and sunset at 6:44 pm (MDT).
In Eureka, the length of the day tomorrow will be 10h and 39min.





