Weather forecast for 10 daysWhite Sulphur Springs, MT

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 64°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphSSW 207°
  • Humidity: 29%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
On Saturday, in White Sulphur Springs, sun-filled skies will remain for most of the day.
Dramatic temperature shifts from a high of a comfortable 64.4°F to a low of an icy 37.4°F are forecasted.
The higher temperature of 64.4°F is more typical of September than October.
Sunrise was at 7:44 am and sunset will be at 6:33 pm; the daylight will last for 10h and 49min.

Sunday Oct 18, 2026

  • 59°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphS 170°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:31 pm MDT
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Tomorrow, in White Sulphur Springs, partly cloudy skies will persist, making for a mix of sun and clouds.
Temperature span will be from a high of a mild 59°F to a low of a cold 33.8°F.
Tomorrow, the predicted high will be higher and much closer to September's average high of 67.1°F than October's 49.6°F.
Sunrise will be at 7:45 am and sunset at 6:31 pm; tomorrow's daylight will last for 10h and 46min.

10-day overview

Daily temperatures

Maximum temperature: 64°C.
Coldest period: Saturday - Sunday 45°C.

Chance of precipitation

Highest chance: Friday 71%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 64°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphSSW 207°
  • Humidity: 29%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 59°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphS 170°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 186°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphWSW 255°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphSSW 200°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphSSW 204°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 52°F
  • 28°F
Showers
Showers
  • Precip. probability: 71%
  • Precipitation: 0.24"
  • Wind: 12mphW 260°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:52 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 45°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 9mphWSW 249°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:54 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 45°F
  • 28°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 9mphSW 219°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:55 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 46°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphSW 221°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:57 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
For the next ten days, a combination of dull, mostly clear and showery weather is forecasted.
With a 71% probability, rainfall is forecasted only for Friday. Anticipated precipitation will be light at 0.24".
Temperature fluctuation will be noticeable over the next several days. The temperature is expected to swing from 44.6°F up to 64.4°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 28.4°F and 41°F.
The warmest days in White Sulphur Springs will be Saturday and Monday, with a maximum of 64.4°F; next Saturday and Sunday, with the highest temperature of 44.6°F, will be the coldest days in White Sulphur Springs.
Updated: Oct 17, 2026 @ 15:42:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in White Sulphur Springs, predominantly sunny weather will make for pleasant outdoor conditions.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature today will be significantly higher than the average highest temperature of 49.6°F in October. The lowest temperature today will be moderately higher than the average low temperature.

On Saturday, in White Sulphur Springs, sunrise was at 7:44 am and sunset will be at 6:33 pm (MDT).

In White Sulphur Springs, today, there will be 10h and 49min of daylight.

On Sunday, in White Sulphur Springs, high-altitude clouds may scatter across the sky, but the sun will still shine.

Tomorrow, the maximum temperature will be 59°F, while the minimum temperature will be 33.8°F.
The highest temperature tomorrow will be significantly higher than the average maximum of 49.6°F in October. The lowest temperature will be in line with the average low of 30.9°F.

On Sunday, in White Sulphur Springs, sunrise will be at 7:45 am and sunset at 6:31 pm (MDT).

Tomorrow, the daylight will last for 10h and 46min.