Weather forecast for 10 daysWestby, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 59°F
- 32°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNW 312°
- Humidity: 45%
- UV index: 2
- Sunrise: 8:21 am CDT
- Sunset: 7:00 pm CDT
- details ▼
On Sunday, October 18, golden sunshine will carry through the day.
Substantial temperature fluctuations from a high of a moderate 59°F to a low of a wintry 32°F are predicted.
Today’s predicted high is set to be relatively higher than October's regular high of 52.7°F.
Sunrise will be at 8:21 am and sunset at 7:00 pm; the daylight will last for 10h and 39min.
Substantial temperature fluctuations from a high of a moderate 59°F to a low of a wintry 32°F are predicted.
Today’s predicted high is set to be relatively higher than October's regular high of 52.7°F.
Sunrise will be at 8:21 am and sunset at 7:00 pm; the daylight will last for 10h and 39min.
10-day overview
Daily temperatures
Warmest day: Thursday 68°C.
Coldest day: Sunday 25.10. 41°C.
Coldest day: Sunday 25.10. 41°C.
Chance of precipitation
Highest chance: Friday 45%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 59°F
- 32°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNW 312°
- Humidity: 45%
- UV index: 2
- Sunrise: 8:21 am CDT
- Sunset: 7:00 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 37°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 20mphSE 146°
- Humidity: 49%
- UV index: 2
- Sunrise: 8:23 am CDT
- Sunset: 6:58 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 32°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 10mphNW 309°
- Humidity: 63%
- UV index: 2
- Sunrise: 8:24 am CDT
- Sunset: 6:57 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 61°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphSE 130°
- Humidity: 60%
- UV index: 2
- Sunrise: 8:26 am CDT
- Sunset: 6:55 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 46°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 13mphS 177°
- Humidity: 67%
- UV index: 2
- Sunrise: 8:27 am CDT
- Sunset: 6:53 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 64°F
- 39°F
PM Showers
- Precip. probability: 45%
- Precipitation: 0"
- Wind: 15mphESE 104°
- Humidity: 74%
- UV index: 1
- Sunrise: 8:29 am CDT
- Sunset: 6:51 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 45°F
- 28°F
Partly Cloudy / Wind
- Precip. probability: 24%
- Precipitation: 0.16"
- Wind: 22mphWNW 290°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:31 am CDT
- Sunset: 6:49 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 41°F
- 30°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 13mphNNE 23°
- Humidity: 70%
- UV index: 2
- Sunrise: 8:32 am CDT
- Sunset: 6:47 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 43°F
- 34°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 13mphENE 71°
- Humidity: 85%
- UV index: 2
- Sunrise: 8:34 am CDT
- Sunset: 6:46 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 45°F
- 30°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 14mphSE 142°
- Humidity: 80%
- UV index: 2
- Sunrise: 8:35 am CDT
- Sunset: 6:44 pm CDT
- details ▼
For the next ten days, a combination of cloudy, dry and sunny and rainy weather is predicted.
With a probability of 24%, rainfall is predicted only for Saturday. The precipitation will be light at 0.16".
Significant changes in temperature are expected in the next ten days. The maximum temperature will vary between 41°F and 68°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 28.4°F up to 46.4°F.
Expect the warmest day on Thursday, with temperatures peaking at 68°F; the coldest day will be next Sunday, with a maximum of 41°F.
With a probability of 24%, rainfall is predicted only for Saturday. The precipitation will be light at 0.16".
Significant changes in temperature are expected in the next ten days. The maximum temperature will vary between 41°F and 68°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 28.4°F up to 46.4°F.
Expect the warmest day on Thursday, with temperatures peaking at 68°F; the coldest day will be next Sunday, with a maximum of 41°F.
Updated: Oct 18, 2026 @ 06:18:33 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, sunshine will take center stage, with just faint traces of clouds.
Today, the maximum temperature in Westby will be 59°F, while the minimum temperature will be 32°F.
The maximum temperature today will be relatively higher than the average highest temperature in October. The lowest temperature will be also moderately lower than the average low of 37.9°F.
The maximum temperature today will be relatively higher than the average highest temperature in October. The lowest temperature will be also moderately lower than the average low of 37.9°F.
On Sunday, in Westby, sunrise will be at 8:21 am and sunset at 7:00 pm (CDT).
Today, the daylight will last for 10h and 39min.





