Weather forecast for 10 daysGreenough, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 32°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphN 2°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:56 am MDT
- Sunset: 6:41 pm MDT
- details ▼
Today, the sky will feature a blend of clouds and sunshine.
Temperatures will see a substantial oscillation, reaching a high of a comfortable 62.6°F and dropping to a low of a wintry 32°F.
This October day will feature warmer weather, consistent with September's average of 67.1°F.
Sunrise will be at 7:56 am and sunset at 6:41 pm; the daylight will last for 10h and 45min.
Temperatures will see a substantial oscillation, reaching a high of a comfortable 62.6°F and dropping to a low of a wintry 32°F.
This October day will feature warmer weather, consistent with September's average of 67.1°F.
Sunrise will be at 7:56 am and sunset at 6:41 pm; the daylight will last for 10h and 45min.
10-day overview
Daily temperatures
Warmest period: tomorrow - Thursday 64°C.
Coldest period: Monday - Tuesday 43°C.
Coldest period: Monday - Tuesday 43°C.
Chance of precipitation
Highest chance: Friday 54%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 63°F
- 32°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphN 2°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:56 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 34°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphNE 42°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 34°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphNNE 13°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:59 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 37°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNNW 336°
- Humidity: 62%
- UV index: 3
- Sunrise: 8:00 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 39°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphWSW 247°
- Humidity: 69%
- UV index: 3
- Sunrise: 8:02 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 30°F
AM Showers
- Precip. probability: 54%
- Precipitation: 0.16"
- Wind: 9mphW 262°
- Humidity: 86%
- UV index: 2
- Sunrise: 8:03 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 27°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0.08"
- Wind: 6mphWSW 245°
- Humidity: 72%
- UV index: 2
- Sunrise: 8:05 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 45°F
- 27°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 6mphENE 60°
- Humidity: 79%
- UV index: 2
- Sunrise: 8:06 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 43°F
- 25°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 6mphNE 41°
- Humidity: 79%
- UV index: 2
- Sunrise: 8:07 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 43°F
- 25°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphWSW 238°
- Humidity: 85%
- UV index: 2
- Sunrise: 8:09 am MDT
- Sunset: 6:25 pm MDT
- details ▼
Looking ahead, conditions suggest a period of primarily gloomy and occasionally clear and rain-soaked weather is forecasted.
With a probability of 54%, rainfall is anticipated only on Friday. Predicted precipitation will be light at 0.16".
There will be a considerable variation in temperature in the coming days. Forecast highs will fluctuate between 42.8°F and 64.4°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 24.8°F to 39.2°F.
With a maximum temperature of 64.4°F, Monday through Thursday will be the warmest days; with a maximum temperature of 42.8°F, next Monday and Tuesday will be the coldest days.
With a probability of 54%, rainfall is anticipated only on Friday. Predicted precipitation will be light at 0.16".
There will be a considerable variation in temperature in the coming days. Forecast highs will fluctuate between 42.8°F and 64.4°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 24.8°F to 39.2°F.
With a maximum temperature of 64.4°F, Monday through Thursday will be the warmest days; with a maximum temperature of 42.8°F, next Monday and Tuesday will be the coldest days.
Updated: Oct 18, 2026 @ 08:15:58 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
Today, in Greenough, expect a partly sunny afternoon with variable cloud cover.
Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 32°F.
Today, the highest temperature will be significantly higher than the average maximum of 49.8°F in October. Today, the lowest temperature will be in line with the average low temperature.
Today, the highest temperature will be significantly higher than the average maximum of 49.8°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Greenough, sunrise will be at 7:56 am and sunset at 6:41 pm (MDT).
Today in Greenough, the daylight will last for 10h and 45min.
