Weather forecast for todayRoundup, MT

Weather forecast for today

Current condition 3:12 pm MDT

  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 10mphNE 40°
  • Humidity: 42%
  • Dewpoint: 39°F
  • Pressure: 30.07"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
At the moment, in Roundup, the weather is cheerful and full of sunlight.
The temperature is a breezy 62.6°F. The current temperature is at its highest of the day.

Tuesday Oct 20, 2026

  • 63°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNE 37°
  • Humidity: 45%
  • UV index: 2
  • Sunrise: 7:38 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
Today, a sun-drenched sky is anticipated.
Temperatures are forecasted to range from a maximum of a breezy 62.6°F to a minimum of a cold 37.4°F.
Forecasts suggest the maximum temperature will be moderately higher than October's average of 56.3°F.
Sunrise was at 7:38 am and sunset will be at 6:18 pm; the daylight will last for 10h and 40min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 63°C.
Coldest hour: 12 am 43°C.

Chance of precipitation

Highest chance: 11 pm - 12 am 4%.

Hourly weather forecast

  • 4 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNE 37°
  • Humidity: 42%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNE 42°
  • Humidity: 44%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNE 43°
  • Humidity: 50%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:18 pm
  • 7 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNE 47°
  • Humidity: 55%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNE 43°
  • Humidity: 59%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNE 35°
  • Humidity: 62%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNNE 33°
  • Humidity: 66%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphNNE 22°
  • Humidity: 70%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphNNW 343°
  • Humidity: 73%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphWNW 285°
  • Humidity: 76%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Tuesday, sunshine is expected.
The temperature will vary between the highest temperature of 62.6°F and the lowest temperature of 44.6°F. The warmest part of the day is anticipated around 4 pm.
The temperature is expected to be moderately higher than the average peak in October, which is 56.3°F. The minimum temperature will be also consistent with October's average low of 39.7°F.
Updated: Oct 20, 2026 @ 21:12:50 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 3:12 pm MDT is 62.6°F.

On Tuesday, sunshine and minimal clouds are in the outlook.

Today, the highest temperature will be 62.6°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 39.7°F.

On Tuesday, in Roundup, sunrise was at 7:38 am and sunset will be at 6:18 pm (MDT).

In Roundup, Montana, today, there will be 10h and 40min of daylight.