Weather forecast for 10 days
Roy, MT

Weather forecast for the weekend

Saturday, May 3.

Sunny
5:53 am

8:31 pm
MDT
Sunny
84°F / 50°F
  • Wind: 7mph ESE
  • Humidity: 23%
  • Precip. probability: 0%
  • Precipitation: 0"
  • UV index: 6
Tomorrow, on Saturday, May 3, a sun-drenched sky is also anticipated.
Substantial temperature variations are expected, soaring to a maximum of a warm 84.2°F and descending to a minimum of a crisp 50°F.
With a forecast of 84.2°F, the day’s weather feels closer to June than May.
Sunrise will be at 5:53 am and sunset at 8:31 pm; tomorrow's daylight will last for 14h and 38min.

Sunday, May 4.

Sunny
5:51 am

8:33 pm
MDT
Sunny
75°F / 37°F
  • Wind: 16mph WNW
  • Humidity: 33%
  • Precip. probability: 0%
  • Precipitation: 0.12"
  • UV index: 6
On Sunday, in Roy, sunshine and minimal clouds are in the outlook.
Minimal precipitation is predicted. The peak daytime temperature will touch a moderately hot 75.2°F, while the nighttime temperature will descend to an icy 37.4°F.
Forecast models suggest warmer conditions, with a peak that mirrors June's climate average rather than May's.
Sunrise will be at 5:51 am and sunset at 8:33 pm; the daylight will last for 14h and 41min.

Frequently asked questions

What is the weather forecast for Roy for Sunday?
On Sunday, in Roy, clear skies and sunshine are anticipated.
Will it rain on Sunday?
On Sunday, there is a low chance of minimal precipitation in Roy.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 75.2°F, while the lowest temperature will be 37.4°F.
What is the weather forecast for Roy for the next ten days?
In Roy, a combination of sun-filled, overcast and wet weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated only on Monday. With a probability of 79%, light precipitation of 0.35" is expected.
How hot will it be in the next ten days?
The maximum temperature will vary between 46.4°F and 84.2°F, as the minimum temperature will vary between 35.6°F and 51.8°F.
What will be the hottest and the coldest days?
Tomorrow will be the hottest day, with a maximum temperature of 84.2°F. With a maximum temperature of 46.4°F, Monday will be the coldest day.

Long-term weather forecast

FriMay 2.
  • min.
  • 46°F
Clear
Clear
  • Wind: 10mph WSW
  • Humidity: 41%
  • UV index: 0
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:54 am 8:30 pm MDT
SatMay 3.
  • 84°F
  • 50°F
Sunny
Sunny
  • Wind: 7mph ESE
  • Humidity: 23%
  • UV index: 6
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:53 am 8:31 pm MDT
SunMay 4.
  • 75°F
  • 37°F
Sunny
Sunny
  • Wind: 16mph WNW
  • Humidity: 33%
  • UV index: 6
  • Precip. probability: 0%
  • Precipitation: 0.12"
  • 5:51 am 8:33 pm MDT
MonMay 5.
  • 46°F
  • 36°F
Rain
Rain
  • Wind: 16mph NNW
  • Humidity: 81%
  • UV index: 3
  • Precip. probability: 79%
  • Precipitation: 0.35"
  • 5:50 am 8:34 pm MDT
TueMay 6.
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph E
  • Humidity: 45%
  • UV index: 6
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:48 am 8:35 pm MDT
WedMay 7.
  • 75°F
  • 50°F
Sunny
Sunny
  • Wind: 12mph S
  • Humidity: 39%
  • UV index: 6
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:47 am 8:37 pm MDT
ThuMay 8.
  • 77°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph WNW
  • Humidity: 34%
  • UV index: 6
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:45 am 8:38 pm MDT
FriMay 9.
  • 75°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph W
  • Humidity: 33%
  • UV index: 6
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:44 am 8:39 pm MDT
SatMay 10.
  • 79°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph N
  • Humidity: 36%
  • UV index: 6
  • Precip. probability: 12%
  • Precipitation: 0"
  • 5:43 am 8:41 pm MDT
SunMay 11.
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SE
  • Humidity: 37%
  • UV index: 6
  • Precip. probability: 22%
  • Precipitation: 0"
  • 5:41 am 8:42 pm MDT
Over the next ten days, a mix of sunny, overcast and damp weather is predicted.
With a probability of 79%, rainfall is anticipated only on Monday. The precipitation will be light at 0.35".
Temperature differences will be noticeable across the forecast period. The temperature is expected to swing from 46.4°F up to 84.2°F, while the nightly low temperatures will show also a considerable swing, as nighttime lows are forecast to fall between 35.6°F and 51.8°F.
Saturday is expected to be the hottest, reaching up to 84.2°F; Monday will be the coldest day, with the highest temperature of 46.4°F.
Updated: May 3, 2025 @ 05:36:55 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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