Weather forecast for 10 daysDayton, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 61°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphENE 68°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 8:01 am MDT
  • Sunset: 6:43 pm MDT
  • ▼
Tomorrow, on Sunday, occasional clouds will pass by, but expect bright spells.
A temperature range of a comfortable 60.8°F to a wintry 35.6°F is expected.
The forecast high of 60.8°F aligns more closely with September's typical high of 67.1°F than with October's usual 50.4°F.
Sunrise will be at 8:01 am and sunset at 6:43 pm; tomorrow's daylight will last for 10h and 42min.

10-day overview

Daily temperatures

Warmest period: Tuesday - Thursday 63°C.
Coldest day: Sunday 25.10. 45°C.

Chance of precipitation

Highest chance: Friday 44%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphWNW 284°
  • Humidity: 75%
  • UV index: 0
  • Sunrise: 7:59 am MDT
  • Sunset: 6:45 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 61°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphENE 68°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 8:01 am MDT
  • Sunset: 6:43 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 61°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphENE 59°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 8:02 am MDT
  • Sunset: 6:41 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNE 47°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 8:04 am MDT
  • Sunset: 6:39 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphE 93°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 8:05 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 41°F
PM Showers
PM Showers
  • Precip. probability: 42%
  • Precipitation: 0.24"
  • Wind: 4mphSSE 166°
  • Humidity: 67%
  • UV index: 2
  • Sunrise: 8:07 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 50°F
  • 32°F
AM Showers
AM Showers
  • Precip. probability: 44%
  • Precipitation: 0.08"
  • Wind: 9mphWSW 255°
  • Humidity: 83%
  • UV index: 2
  • Sunrise: 8:08 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0.08"
  • Wind: 6mphSSW 203°
  • Humidity: 71%
  • UV index: 2
  • Sunrise: 8:10 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 45°F
  • 28°F
AM Ice
AM Ice
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • Wind: 7mphNE 34°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 8:11 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 46°F
  • 30°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 6mphNE 37°
  • Humidity: 72%
  • UV index: 2
  • Sunrise: 8:13 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
The next ten days will bring unstable conditions, and a mix of cloud-filled, showery, icy and clear weather is predicted.
Rainfall is expected on Thursday through next Sunday.
Noticeable swings in temperature are expected in the coming days. Maximum temperatures are forecasted between 44.6°F and 62.6°F, while the fluctuation in night temperatures will be also significant, as temperatures overnight will fluctuate from 28.4°F up to 41°F.
Tuesday through Thursday, with the highest temperature of 62.6°F, will be the warmest days in Dayton; the lowest daytime temperature of the period will be reached on next Sunday, peaking at 44.6°F.
Updated: Oct 18, 2026 @ 05:56:22 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, a partly cloudy sky is anticipated.

Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 50.4°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Dayton, sunrise will be at 8:01 am and sunset at 6:43 pm (MDT).

In Dayton, Montana, the length of the day tomorrow will be 10h and 42min.