Grantsville

Weston County, Utah, United States

Current Weather

12°

Drizzle

Feels Like: 23°

Min: 23°

Max: 32°

The next few hours will be partly cloudy, with today reaching 32°C and dropping to 19°C. The coming days will be light rain throughout the day and breezy in the afternoon and overnight.

Does this forecast seem accurate?

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Upgrade Now

Hourly Forecast

23° 23° 23° 24° 26° 27° 28° 29° 30° 31° 31° 32° 31° 31° 31° 30° 28° 27° 26° 26° 25° 25° 24° 23° 22° 20° 19° 19° 20° 22° 22° 24° 25° 26° 26° 25° 25° 25° 25° 25° 23° 22° 20° 19° 19° 18° 18° 17°
32%
29%
22%
12%
9%
6%
7%
15%
9%
17%
35%
30%
11%
7%
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
Today
Tomorrow
Saturday

Daylight Hours

06:03

Sunrise

20:54

Sunset

14 hours 51 minutes of sunlight today

Daily Forecast

Today

23°
32°

Friday

19°
26°

Saturday

17°
30°

Sunday

15°
23°

Monday

13°
23°

Tuesday

13°
23°

Wednesday

14°
25°

Air Quality Data Available

Upgrade to access real-time air quality data for Grantsville.

Upgrade Now

UV Index

No protection needed
0 Low
Low Extreme

Humidity

83% Humid
Low High
Powered by Airpult

Frequently asked questions about weather in Grantsville

How warm does it get in Grantsville?

The warmest month in Grantsville is July, with average high temperatures of 35°C. The average temperature during this period is around 27°C.

How cold does it get in Grantsville?

The coldest month in Grantsville is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.

What is the wettest time of year in Grantsville?

The wettest month in Grantsville is March, with an average of 61mm of precipitation.

What is the driest time of year in Grantsville?

The driest month in Grantsville is July, with an average of 14mm of precipitation.

View full climate insights for Grantsville →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)

Confirm