Weather forecast for 10 days
Roundup, MT

Weather forecast for the weekend

Sunday, May 11.

Mostly Cloudy
5:42 am

8:38 pm
MDT
Mostly Cloudy
82°F / 54°F
  • Wind: 15mph SW
  • Humidity: 38%
  • Precip. probability: 15%
  • Precipitation: 0"
  • UV index: 4
On Sunday, in Roundup, expect mainly cloudy weather with limited sun.
Temperature changes will be remarkable, ranging from a high of a moderately hot 82.4°F to a low of a fresh 53.6°F.
The forecast high is higher and more aligned with what is typical in June than in May.
Sunrise was at 5:42 am and sunset will be at 8:38 pm; the daylight will last for 14h and 55min.

Frequently asked questions

What is the weather forecast for Roundup for the next ten days?
In Roundup, a combination of predominantly cloudy and occasionally sun-filled and rainy weather is forecasted for the next ten days.
Will it rain in the next ten days in Roundup?
Rainfall is expected on Tuesday, Wednesday and next Sunday in Roundup. With moderate precipitation of 0.59", Wednesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 53.6°F and 84.2°F, as the minimum temperature will be between 41°F and 53.6°F.
What will be the hottest and the coldest days?
The hottest day will be tomorrow, with a maximum of 84.2°F. The coldest day will be Wednesday, with a maximum of 53.6°F.

Long-term weather forecast

SunMay 11.
  • 82°F
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 15mph SW
  • Humidity: 38%
  • UV index: 4
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:42 am 8:38 pm MDT
MonMay 12.
  • 84°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Wind: 16mph SW
  • Humidity: 30%
  • UV index: 7
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:41 am 8:39 pm MDT
TueMay 13.
  • 64°F
  • 46°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph NNW
  • Humidity: 46%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0.47"
  • 5:40 am 8:40 pm MDT
WedMay 14.
  • 54°F
  • 46°F
Rain
Rain
  • Wind: 13mph NNW
  • Humidity: 75%
  • UV index: 3
  • Precip. probability: 66%
  • Precipitation: 0.59"
  • 5:39 am 8:41 pm MDT
ThuMay 15.
  • 61°F
  • 41°F
Cloudy
Cloudy
  • Wind: 19mph NW
  • Humidity: 56%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:38 am 8:43 pm MDT
FriMay 16.
  • 64°F
  • 45°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph WNW
  • Humidity: 48%
  • UV index: 5
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:36 am 8:44 pm MDT
SatMay 17.
  • 61°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NW
  • Humidity: 56%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:35 am 8:45 pm MDT
SunMay 18.
  • 61°F
  • 41°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 13mph NNE
  • Humidity: 62%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • 5:34 am 8:46 pm MDT
MonMay 19.
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Humidity: 54%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:33 am 8:47 pm MDT
TueMay 20.
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Humidity: 49%
  • UV index: 7
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:32 am 8:48 pm MDT
During the ten-day period, primarily gloomy and occasionally mostly clear and rainy weather is anticipated.
Rainfall is expected on Tuesday, Wednesday and next Sunday.
Temperature fluctuation will be noticeable throughout the forecast window. Forecast highs will fluctuate between 53.6°F and 84.2°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 41°F to 53.6°F.
Monday is expected to be the hottest, reaching up to 84.2°F; expect the coldest day on Wednesday with a high of 53.6°F.
Updated: May 11, 2025 @ 13:48:00 UTC
Published by: Weather Atlas | About Us
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