Weather forecast for 10 days
Grantsdale, MT

Weather forecast for the weekend

Saturday, Jun 21.

Showers
5:43 am

9:33 pm
MDT
Showers
59°F / 41°F
  • Wind: 11mph WNW
  • Humidity: 60%
  • Precip. probability: 34%
  • Precipitation: 0.16"
  • UV index: 5
On Saturday, in Grantsdale, expect intermittent showers, with dry spells in between.
The likelihood of rainfall is low, and light precipitation is anticipated. Temperature fluctuations between a mild 59°F and a wintry 41°F are expected.
It will feel colder than usual, as the temperature reflects May's normal high of 56.7°F, not June's.
Sunrise will be at 5:43 am and sunset at 9:33 pm; the daylight will last for 15h and 50min.

Sunday, Jun 22.

Showers
5:43 am

9:33 pm
MDT
Showers
57°F / 37°F
  • Wind: 9mph NW
  • Humidity: 65%
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • UV index: 5
On Sunday, in Grantsdale, showers are expected, with occasional breaks in the rain throughout the day.
The chance of rainfall is low, and light precipitation is predicted. The highest temperature will be a moderate 57.2°F, while the lowest temperature will be a wintry 37.4°F.
Expect temperatures to match May's average maximum of 56.7°F rather than June's 65.3°F.
Sunrise will be at 5:43 am and sunset at 9:33 pm; the daylight will last for 15h and 50min.

Frequently asked questions

What is the weather forecast for Grantsdale for Saturday?
On Saturday, expect intermittent showers, with dry spells in between.
Will it rain on Saturday?
Light precipitation of 0.16" is predicted on Saturday. The possibility of rainfall is 34%.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 59°F, while the lowest temperature will be 41°F.
What is the weather forecast for Grantsdale for Sunday?
On Sunday, scattered showers will occur throughout the day, with lighter rain expected during the afternoon.
Will it rain on Sunday?
Light precipitation of 0.16" is forecasted on Sunday. The chance of rainfall is 40%.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 57.2°F, while the minimum temperature will be 37.4°F.
What is the weather forecast for Grantsdale for the next ten days?
In Grantsdale, weather will be unstable, and a combination of clear, rain-filled, cloudy and storm-filled weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Friday through Sunday in Grantsdale. With moderate precipitation of 0.43", Friday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 57.2°F and 86°F, as the minimum temperature will range between 37.4°F and 53.6°F.
What will be the hottest and the coldest days?
The hottest day will be tomorrow, with a maximum of 86°F. The coldest day will be Sunday, with a maximum of 57.2°F.

Long-term weather forecast

TueJun 17.
  • min.
  • 48°F
Clear
Clear
  • Wind: 4mph SSW
  • Humidity: 55%
  • UV index: 0
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:42 am 9:32 pm MDT
WedJun 18.
  • 86°F
  • 48°F
Sunny
Sunny
  • Wind: 11mph SW
  • Humidity: 34%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:42 am 9:33 pm MDT
ThuJun 19.
  • 84°F
  • 54°F
Sunny
Sunny
  • Wind: 11mph N
  • Humidity: 39%
  • UV index: 8
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:42 am 9:33 pm MDT
FriJun 20.
  • 64°F
  • 43°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph NNW
  • Humidity: 63%
  • UV index: 3
  • Precip. probability: 67%
  • Precipitation: 0.43"
  • 5:42 am 9:33 pm MDT
SatJun 21.
  • 59°F
  • 41°F
Showers
Showers
  • Wind: 11mph WNW
  • Humidity: 60%
  • UV index: 5
  • Precip. probability: 34%
  • Precipitation: 0.16"
  • 5:43 am 9:33 pm MDT
SunJun 22.
  • 57°F
  • 37°F
Showers
Showers
  • Wind: 9mph NW
  • Humidity: 65%
  • UV index: 5
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • 5:43 am 9:33 pm MDT
MonJun 23.
  • 70°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NW
  • Humidity: 49%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:43 am 9:34 pm MDT
TueJun 24.
  • 77°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph NNE
  • Humidity: 41%
  • UV index: 8
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:44 am 9:34 pm MDT
WedJun 25.
  • 81°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph NW
  • Humidity: 37%
  • UV index: 8
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:44 am 9:34 pm MDT
ThuJun 26.
  • 81°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 39%
  • UV index: 8
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:44 am 9:34 pm MDT
The weather will be unstable for the next ten days, and a mix of sunny, wet, gloomy and lightning-active weather is anticipated.
Rainfall is expected on Friday through Sunday.
Temperature differences will be noticeable across the forecast period. Maximum temperatures are forecasted between 57.2°F and 86°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 37.4°F to 53.6°F.
With the highest temperature of 86°F, Wednesday will be the hottest day; the coldest day will be Sunday, with a maximum of 57.2°F.
Updated: Jun 18, 2025 @ 04:06:12 UTC
Published by: Weather U.S. | About Us
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