Live Weather & Forecast

Weather in Grantsville

Q: What is the current weather in Grantsville?

Current conditions in Grantsville: Partly cloudy, temperature 16°C, humidity 33%.

Q: What is the best time to visit Grantsville?

The best time to visit Grantsville is typically June – September. Warm, dry summers — ideal for outdoor activities.

Q: What are the GPS coordinates used for the weather forecast in Grantsville?

The weather forecast for Grantsville uses coordinates 40.6001, -112.4635.

Utah, United States · Real-time conditions & 3-day outlook

16^°C

Feels like 16°C

61°F / Feels 61°F

Partly cloudy

Grantsville, Utah

🌙 Nighttime

Updated: 2026-04-15 21:30

💧

Humidity

33%

💨

Wind

10.1 km/h S

🌬️

Wind Gust

17.6 km/h

🌡️

Pressure

1008 mb

👁️

Visibility

16 km

☀️

UV Index

0 (Low)

🌧️

Precipitation

0 mm

☁️

Cloud Cover

75%

💦

Dew Point

-4.1°C

🌐

Wind Degree

176°

Air Quality Index

US EPA: Good UK DEFRA: Low (2)

139.9 μg/m³

NO₂

6.4 μg/m³

O₃

79 μg/m³

SO₂

1.4 μg/m³

PM 2.5

14.6 μg/m³

PM 10

63.5 μg/m³

Weather Alerts 2

Met · Moderate · Expected

Freeze Warning issued April 15 at 10:56AM MDT until April 17 at 12:00PM MDT by NWS Salt Lake City UT

* WHAT...Widespread lows in the upper 20s, with temperatures falling to the low 20s in eastern Box Elder County, the western Uinta Basin, and Castle Country and mid to upper teens in the Sanpete and Sevier Valleys, west central and southwest Utah. * WHERE...Most Utah valleys * WHEN...For the first Freeze Warning, from 8 PM Thursday to noon MDT Friday. For the second Freeze Warning, from 8 PM Fri...

Take steps now to protect tender plants from the cold. Drain in-ground sprinkler systems and cover above ground pipes.

Effective: 2026-04-15T10:56:00-06:00 · Expires: 2026-04-16T02:00:00-06:00

Met · Moderate · Expected

Freeze Warning issued April 15 at 10:56AM MDT until April 18 at 12:00PM MDT by NWS Salt Lake City UT

Take steps now to protect tender plants from the cold. Drain in-ground sprinkler systems and cover above ground pipes.

Effective: 2026-04-15T10:56:00-06:00 · Expires: 2026-04-16T02:00:00-06:00

Today's Hourly Forecast

24-hour breakdown for Grantsville, Utah

12 AM

7°

Clear

💧 56% 💨 15.1 km/h

1 AM

6°

Clear

💧 56% 💨 13.7 km/h

2 AM

6°

Clear

💧 54% 💨 12.2 km/h

3 AM

6°

Clear

💧 52% 💨 14 km/h

4 AM

6°

Clear

💧 52% 💨 15.1 km/h

5 AM

6°

Clear

💧 52% 💨 15.1 km/h

6 AM

5°

Clear

💧 54% 💨 14.8 km/h

7 AM

6°

Sunny

💧 55% 💨 14.8 km/h

8 AM

8°

Sunny

💧 54% 💨 14.8 km/h

9 AM

10°

Sunny

💧 49% 💨 16.9 km/h

10 AM

13°

Sunny

💧 44% 💨 20.5 km/h

11 AM

16°

Sunny

💧 34% 💨 20.2 km/h

12 PM

19°

Sunny

💧 31% 💨 19.8 km/h

1 PM

21°

Sunny

💧 22% 💨 22.7 km/h

2 PM

22°

Sunny

💧 18% 💨 25.6 km/h

3 PM

23°

Sunny

💧 19% 💨 26.6 km/h

4 PM

23°

Sunny

💧 19% 💨 25.6 km/h

5 PM

23°

Sunny

💧 16% 💨 25.2 km/h

6 PM

22°

Sunny

💧 21% 💨 24.8 km/h

7 PM

19°

Sunny

💧 25% 💨 16.9 km/h

8 PM

17°

Sunny

💧 27% 💨 9.7 km/h

9 PM

16°

Partly cloudy

💧 33% 💨 10.1 km/h

10 PM

14°

Clear

💧 32% 💨 9 km/h

11 PM

14°

Clear

💧 42% 💨 16.2 km/h

3-Day Forecast

Daily overview for Grantsville, Utah

Today

Sunny

24° / 5°

🌧️ 0% chance of rain

💧 Avg. humidity: 38%

💨 Max wind: 26.6 km/h

🌧️ Total precip: 0 mm

☀️ UV Index: 1.6

🌅 Sunrise: 06:51 AM

🌇 Sunset: 08:09 PM

🌙 Waning Crescent

🌑 Moon: 8% lit

Thu, Apr 16

Patchy rain nearby

10° / -5°

🌧️ 89% chance of rain

💧 Avg. humidity: 60%

💨 Max wind: 28.4 km/h

🌧️ Total precip: 3.55 mm

☀️ UV Index: 0.9

🌅 Sunrise: 06:49 AM

🌇 Sunset: 08:10 PM

🌙 Waning Crescent

🌑 Moon: 3% lit

Fri, Apr 17

Sunny

9° / -7°

🌧️ 0% chance of rain

💧 Avg. humidity: 54%

💨 Max wind: 11.5 km/h

🌧️ Total precip: 0 mm

☀️ UV Index: 1.7

🌅 Sunrise: 06:48 AM

🌇 Sunset: 08:11 PM

🌙 New Moon

🌑 Moon: 0% lit

Best Time to Visit Grantsville

Plan your trip to Grantsville, United States around the most favorable weather conditions.

Peak Season

June – September

Warm, dry summers — ideal for outdoor activities.

Shoulder Season

April – May, October

Fewer crowds, moderate prices, mild weather.

Off Season

November – March

Cooler temperatures; some regions may experience rain or snow.

← Back to Grantsville 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Grantsville?

Current conditions in Grantsville: Partly cloudy, temperature 16°C, humidity 33%.

What is the best time to visit Grantsville?

The best time to visit Grantsville is typically June – September. Warm, dry summers — ideal for outdoor activities.

What is the climate like in Grantsville?

Grantsville is located at approximately 40.6° latitude. It has a temperate climate with warm summers and cold winters.

Does it rain a lot in Grantsville?

The wettest period in Grantsville is typically during November – March. Cooler temperatures; some regions may experience rain or snow.

What should I pack for a trip to Grantsville?

For visits to Grantsville during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.

What country is Grantsville in?

Grantsville is located in United States, in the state of Utah.

What are the public holidays in Grantsville in 2026?

View the 2026 public holidays for Grantsville on our Holidays page.

What are the GPS coordinates used for the weather forecast in Grantsville?

The weather forecast for Grantsville uses coordinates 40.6001, -112.4635.