Weather forecast for todaySun River, MT

Weather forecast for today

Current condition 9:35 am MDT

  • 37°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 96%
  • Dewpoint: 36°F
  • Pressure: 29.99"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Sun River, no clouds in the sky, just uninterrupted sunshine.
The temperature is a cold 37.4°F. The current temperature is at its lowest of the day.

Monday Oct 19, 2026

  • 70°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSW 200°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
Today, in Sun River, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature measurements will peak at a delightful 69.8°F, with a considerable drop to a low of a cold 37.4°F.
The forecast high of 69.8°F aligns more closely with September's typical high of 70.5°F than with October's usual 54.5°F.
Sunrise was at 7:51 am and sunset will be at 6:31 pm; the daylight will last for 10h and 40min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 68°C.
Coldest hour: 10 am 41°C.

Chance of precipitation

Highest chance: 12 am 4%.

Hourly weather forecast

  • 10 am
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSSW 207°
  • Humidity: 82%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 11 am
  • 48°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 197°
  • Humidity: 67%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSW 200°
  • Humidity: 51%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 1 pm
  • 63°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSW 203°
  • Humidity: 36%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 202°
  • Humidity: 32%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 198°
  • Humidity: 28%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 211°
  • Humidity: 27%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 195°
  • Humidity: 29%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 185°
  • Humidity: 34%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:31 pm
  • 7 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 167°
  • Humidity: 41%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSE 146°
  • Humidity: 48%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSW 214°
  • Humidity: 54%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWNW 291°
  • Humidity: 58%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 48°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphWNW 299°
  • Humidity: 63%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily dull and occasionally bright weather is anticipated.
The temperature will be between a maximum of 68°F and a minimum of 41°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature will feel more comparable to September's average high than the expected maximum for October. The expected low will be alike with the average minimum in October, which is 36.7°F.
Updated: Oct 19, 2026 @ 15:35:35 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (9:35 am MDT) it is 37.4°F in Sun River.

On Monday, in Sun River, sunny intervals will be long-lasting, with few disruptions.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 37.4°F.
The highest temperature will be uncommonly higher than the average maximum of 54.5°F in October. The lowest temperature will be in line with the average low of 36.7°F.

On Monday, in Sun River, sunrise was at 7:51 am and sunset will be at 6:31 pm (MDT).

In Sun River, Montana, the length of the day today will be 10h and 40min.