Weather forecast for 10 days
Grantsdale, MT

Weather forecast for the weekend

Saturday, May 17.

Mostly Cloudy
5:58 am

9:07 pm
MDT
Mostly Cloudy
64°F / 43°F
  • Wind: 7mph N
  • Humidity: 53%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 4
On Saturday, May 17, thick clouds will linger with little clearing expected.
Rainfall is not forecasted. A temperature range of a comfortable 64.4°F to a chilly 42.8°F is anticipated.
On Saturday, the maximum temperature is expected to align with June's average high of 65.3°F instead of May's.
Sunrise will be at 5:58 am and sunset at 9:07 pm; the daylight will last for 15h and 8min.

Sunday, May 18.

Showers
5:57 am

9:08 pm
MDT
Showers
55°F / 39°F
  • Wind: 9mph NNW
  • Humidity: 73%
  • Precip. probability: 61%
  • Precipitation: 0.2"
  • UV index: 3
On Sunday, in Grantsdale, expect occasional showers throughout the day, with the rain easing off in the afternoon.
The chance of precipitation is high. However, the rainfall will be light. A temperature range of a refreshing 55.4°F to a wintry 39.2°F is forecasted.
This forecasted maximum temperature is expected to mirror May's typical high of 56.7°F.
Sunrise will be at 5:57 am and sunset at 9:08 pm; the daylight will last for 15h and 10min.

Frequently asked questions

What is the weather forecast for Grantsdale for Saturday?
On Saturday, in Grantsdale, widespread cloud cover will remain in place.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 64.4°F, while the lowest temperature will be 42.8°F.
What is the weather forecast for Grantsdale for Sunday?
On Sunday, showers are expected at times, with breaks in the rain later in the day.
Will it rain on Sunday?
Light precipitation of 0.2" is anticipated on Sunday. The possibility of rainfall is 61%.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 55.4°F, while the minimum temperature will be 39.2°F.
What is the weather forecast for Grantsdale for the next ten days?
In Grantsdale, a combination of cloudy and wet weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Wednesday, Thursday, Sunday and next Monday in Grantsdale. Next Monday, with light precipitation of 0.31", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 55.4°F and 68°F, while the minimum temperature will range between 37.4°F and 42.8°F.
What will be the warmest and the coldest days?
Next Wednesday will be the warmest day, with a maximum temperature of 68°F. With a maximum temperature of 55.4°F, Tuesday and Sunday will be the coldest days.

Long-term weather forecast

MonMay 12.
  • 66°F
  • 39°F
Cloudy
Cloudy
  • Wind: 16mph SW
  • Humidity: 49%
  • UV index: 4
  • Precip. probability: 15%
  • Precipitation: 0"
  • 6:04 am 9:01 pm MDT
TueMay 13.
  • 55°F
  • 41°F
AM Showers
AM Showers
  • Wind: 7mph NNW
  • Humidity: 66%
  • UV index: 4
  • Precip. probability: 33%
  • Precipitation: 0"
  • 6:03 am 9:02 pm MDT
WedMay 14.
  • 57°F
  • 41°F
PM Showers
PM Showers
  • Wind: 11mph NW
  • Humidity: 64%
  • UV index: 4
  • Precip. probability: 33%
  • Precipitation: 0.08"
  • 6:02 am 9:03 pm MDT
ThuMay 15.
  • 61°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph WNW
  • Humidity: 53%
  • UV index: 5
  • Precip. probability: 20%
  • Precipitation: 0.04"
  • 6:01 am 9:04 pm MDT
FriMay 16.
  • 59°F
  • 37°F
Cloudy
Cloudy
  • Wind: 7mph NW
  • Humidity: 58%
  • UV index: 3
  • Precip. probability: 20%
  • Precipitation: 0"
  • 6:00 am 9:05 pm MDT
SatMay 17.
  • 64°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph N
  • Humidity: 53%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:58 am 9:07 pm MDT
SunMay 18.
  • 55°F
  • 39°F
Showers
Showers
  • Wind: 9mph NNW
  • Humidity: 73%
  • UV index: 3
  • Precip. probability: 61%
  • Precipitation: 0.2"
  • 5:57 am 9:08 pm MDT
MonMay 19.
  • 63°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph NNW
  • Humidity: 60%
  • UV index: 4
  • Precip. probability: 22%
  • Precipitation: 0.31"
  • 5:56 am 9:09 pm MDT
TueMay 20.
  • 63°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph WNW
  • Humidity: 55%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:55 am 9:10 pm MDT
WedMay 21.
  • 68°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 47%
  • UV index: 7
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:54 am 9:11 pm MDT
Across the following ten days, a combination of cloud-filled and wet weather is predicted.
Rainfall is expected on Wednesday, Thursday, Sunday and next Monday.
Noticeable swings in temperature are expected in the upcoming days. Highs will range from 55.4°F to 68°F, while the lowest nighttime temperatures will be relatively consistent, as the lowest temperatures will remain in the range of 37.4°F to 42.8°F.
Next Wednesday is expected to be the warmest, reaching up to 68°F; Tuesday and Sunday, with the highest temperature of 55.4°F, will be the coldest days in Grantsdale, Montana.
Updated: May 12, 2025 @ 08:25:25 UTC
Published by: Weather Atlas | About Us
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