Weather forecast for 10 daysJefferson City, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNNE 17°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:36 pm MDT
- details ▼
On Sunday, October 18, sunny moments will alternate with patchy cloud cover.
Temperatures are expected to range from a maximum of a comfortable 62.6°F to a minimum of a cold 37.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 67.5°F.
Sunrise will be at 7:50 am and sunset at 6:36 pm; the daylight will last for 10h and 46min.
Temperatures are expected to range from a maximum of a comfortable 62.6°F to a minimum of a cold 37.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 67.5°F.
Sunrise will be at 7:50 am and sunset at 6:36 pm; the daylight will last for 10h and 46min.
10-day overview
Daily temperatures
Warmest day: tomorrow 68°C.
Coldest day: Tuesday 27.10. 39°C.
Coldest day: Tuesday 27.10. 39°C.
Chance of precipitation
Highest chance: Friday 69%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNNE 17°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 189°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNNW 345°
- Humidity: 51%
- UV index: 2
- Sunrise: 7:52 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 187°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:54 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0.16"
- Wind: 8mphSSW 198°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 46°F
- 28°F
Showers
- Precip. probability: 69%
- Precipitation: 0.12"
- Wind: 11mphNW 308°
- Humidity: 89%
- UV index: 2
- Sunrise: 7:57 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 28°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphSW 215°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:58 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 50°F
- 28°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 8mphWSW 240°
- Humidity: 70%
- UV index: 2
- Sunrise: 7:59 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 45°F
- 27°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 7mphNW 320°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:01 am MDT
- Sunset: 6:22 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 39°F
- 27°F
AM Snow Showers
- Precip. probability: 31%
- Precipitation: 0.08"
- Wind: 7mphWNW 296°
- Humidity: 81%
- UV index: 2
- Sunrise: 8:02 am MDT
- Sunset: 6:21 pm MDT
- details ▼
And a mix of gloomy, bright, rain-soaked and snow-blanketed weather is forecasted.
Rain is predicted for Thursday and Friday.
With a 31% probability, snowfall is forecasted only for next Tuesday. Anticipated precipitation will be light at 0.16".
The temperature will vary considerably across the forecast period. The maximum temperature will vary between 39.2°F and 68°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 26.6°F to 41°F.
Monday will be the warmest day, with a maximum temperature of 68°F; with the highest temperature of 39.2°F, next Tuesday will be the coldest day.
Rain is predicted for Thursday and Friday.
With a 31% probability, snowfall is forecasted only for next Tuesday. Anticipated precipitation will be light at 0.16".
The temperature will vary considerably across the forecast period. The maximum temperature will vary between 39.2°F and 68°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 26.6°F to 41°F.
Monday will be the warmest day, with a maximum temperature of 68°F; with the highest temperature of 39.2°F, next Tuesday will be the coldest day.
Updated: Oct 18, 2026 @ 13:38:43 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, sun and clouds will share the sky, creating a partly cloudy day.
Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be significantly higher than the average highest temperature of 50.9°F in October. The lowest temperature today will be slightly warmer than the average low temperature.
The maximum temperature will be significantly higher than the average highest temperature of 50.9°F in October. The lowest temperature today will be slightly warmer than the average low temperature.
On Sunday, in Jefferson City, sunrise will be at 7:50 am and sunset at 6:36 pm (MDT).
In Jefferson City, today, there will be 10h and 46min of daylight.
