Weather forecast for 10 days
Roundup, MT

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:19 am

9:12 pm
MDT
Partly Cloudy
73°F / 48°F
  • Wind: 16mph WNW
  • Humidity: 53%
  • Precip. probability: 15%
  • Precipitation: 0.16"
  • UV index: 8
On Saturday, in Roundup, expect a mix of sun and clouds throughout the day.
With a low probability, light precipitation is predicted. The temperature scale will run from a maximum of a moderately hot 73.4°F to a minimum of a chilly 48.2°F.
The temperature will be in line with June's average maximum of 75.2°F.
Sunrise will be at 5:19 am and sunset at 9:12 pm; the daylight will last for 15h and 53min.

Sunday, Jun 22.

AM Clouds / PM Sun
5:20 am

9:12 pm
MDT
AM Clouds / PM Sun
55°F / 41°F
  • Wind: 14mph NW
  • Humidity: 62%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 6
On Sunday, in Roundup, clouds linger in the morning, but expect afternoon sunshine to bring a pleasant shift.
Temperatures are expected to peak at a refreshing 55.4°F and drop to a minimum of a cold 41°F.
On Sunday, the expected temperature appears lower and closer to May's norm of 64.2°F.
Sunrise will be at 5:20 am and sunset at 9:12 pm; the daylight will last for 15h and 53min.

Frequently asked questions

What is the weather forecast for Roundup for Saturday?
On Saturday, sun and clouds will share the sky, creating a partly cloudy day.
Will it rain on Saturday?
Light precipitation of 0.16" is forecasted on Saturday. The possibility of rainfall is low at 15%.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature in Roundup will be 73.4°F, while the minimum temperature will be 48.2°F.
What is the weather forecast for Roundup for Sunday?
On Sunday, in Roundup, the morning may feel gloomy and gray, but the sun will break through later in the day.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 55.4°F, while the lowest temperature will be 41°F.
What is the weather forecast for Roundup for the next ten days?
In Roundup, a combination of dull and dry and sunny weather is expected for the next ten days.
Will it rain in the next ten days in Roundup?
Rain is expected on Friday and Saturday in Roundup. Saturday, with light precipitation of 0.16", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 55.4°F and 89.6°F, as the minimum temperature will range between 41°F and 60.8°F.
What will be the hottest and the coldest days?
The hottest day will be tomorrow, with a maximum of 89.6°F. With a maximum temperature of 55.4°F, Sunday will be the coldest day.

Long-term weather forecast

WedJun 18.
  • min.
  • 55°F
Clear
Clear
  • Wind: 7mph NE
  • Humidity: 50%
  • UV index: 0
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:19 am 9:11 pm MDT
ThuJun 19.
  • 90°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph N
  • Humidity: 34%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:19 am 9:11 pm MDT
FriJun 20.
  • 81°F
  • 55°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 14mph ENE
  • Humidity: 50%
  • UV index: 8
  • Precip. probability: 21%
  • Precipitation: 0.04"
  • 5:19 am 9:12 pm MDT
SatJun 21.
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph WNW
  • Humidity: 53%
  • UV index: 8
  • Precip. probability: 15%
  • Precipitation: 0.16"
  • 5:19 am 9:12 pm MDT
SunJun 22.
  • 55°F
  • 41°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 14mph NW
  • Humidity: 62%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:20 am 9:12 pm MDT
MonJun 23.
  • 72°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph SSW
  • Humidity: 44%
  • UV index: 8
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:20 am 9:12 pm MDT
TueJun 24.
  • 75°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NNE
  • Humidity: 47%
  • UV index: 8
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:20 am 9:12 pm MDT
WedJun 25.
  • 81°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph S
  • Humidity: 45%
  • UV index: 8
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:21 am 9:12 pm MDT
ThuJun 26.
  • 86°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph WSW
  • Humidity: 38%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:21 am 9:12 pm MDT
FriJun 27.
  • 86°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph WNW
  • Humidity: 38%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:21 am 9:12 pm MDT
Over the next ten days, a combination of cloudy and bright weather is predicted.
Rain is predicted for Friday and Saturday.
Significant changes in temperature are expected across the forecast period. Maximum temperatures are forecasted between 55.4°F and 89.6°F, while the nightly low temperatures will show also a considerable swing, as temperatures overnight will fluctuate from 41°F up to 60.8°F.
Expect the hottest day on Thursday, with temperatures peaking at 89.6°F; expect the coldest day on Sunday with a high of 55.4°F.
Updated: Jun 19, 2025 @ 01:09:39 UTC
Published by: Weather U.S. | About Us
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