Weather forecast for todayRoundup, MT

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 4:14 pm MDT

  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 9mphNE 50°
  • Humidity: 44%
  • Dewpoint: 39°F
  • Pressure: 30.05"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
In Roundup, at the moment, sunshine is pouring down, making for a beautiful day.
The temperature is a comfortable 60.8°F, the felt air temperature is nearly identical at 59°F.

Tuesday Oct 20, 2026

  • min.
  • 37°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 10mphN 353°
  • Humidity: 67%
  • UV index: 0
  • Sunrise: 7:38 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
During the late afternoon and into the evening, skies will be completely cloud-free.
The lowest predicted temperature is a wintry 37.4°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: 5 pm 59°C.
Coldest hour: 12 am 43°C.

Chance of precipitation

Highest chance: 12 am 4%.

Hourly weather forecast

  • 5 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNE 42°
  • Humidity: 46%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNE 44°
  • Humidity: 53%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:18 pm
  • 7 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNE 49°
  • Humidity: 60%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNE 46°
  • Humidity: 58%
  • 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: 4mphNNE 33°
  • Humidity: 62%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNE 32°
  • Humidity: 65%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphNNE 24°
  • Humidity: 69%
  • 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: 2mphN 355°
  • Humidity: 74%
  • 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 298°
  • Humidity: 76%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphW 267°
  • Humidity: 78%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
During the afternoon and for the rest of the day, mostly cloudless and sunny weather is anticipated.
The temperature will vary between a maximum of 59°F and a minimum of 44.6°F.
Updated: Oct 20, 2026 @ 22:14:35 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (4:14 pm MDT) in Roundup is 60.8°F.

Today, in Roundup, the atmosphere will remain completely clear and bright.

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

In Roundup, the length of the day today will be 10h and 40min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Roundup, Montana, USA

  • en: Roundup, Montana, USA
  • es: Roundup, Montana, EE.UU.
  • hr: Raundap, Montana, SAD
  • mk: Raundap, Montana, SAD
  • sr: Raundap, Montana, SAD
  • zh: 朗达普, 蒙大拿, 美国
  • Latitude: 46.445242°
  • Longitude: -108.541800°
  • Elevation: 3219 ft
  • Current time: 4:14pm MDT
  • Sunrise: 7:38 am MDT
  • Sunset: 6:18 pm MDT
  • Timezone: America/Denver

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