Granite Hills

Whatcom County, California, United States

Forecast Summary

The next few hours will be mostly clear, with today reaching 26°C and dropping to 13°C. The coming days will be hazy throughout the day.

Current Weather

18°

Clear

Feels Like

15°

Min

12°

Max

26°

Compared to Yesterday

Unlock Historical Data

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

Upgrade Now

Hourly Forecast

Weather forecast for the next 48 hours.

15° 15° 14° 13° 13° 12° 13° 15° 17° 20° 22° 24° 25° 25° 26° 24° 24° 22° 20° 18° 17° 16° 15° 15° 14° 14° 14° 13° 13° 13° 13° 14° 15° 17° 19° 19° 19° 20° 20° 20° 20° 19° 18° 17° 16° 15° 15° 15°

6%

8%

8%

8%

8%

13%

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
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
Today
Tomorrow
Wednesday

UV Index

No protection needed

0 Low
Low Extreme

Humidity

Current air moisture level

75% Humid
Low High

Daylight Hours

12 hours 16 minutes of sunlight today

06:44

Sunrise

19:00

Sunset

Daily Forecast

Weather forecast for the next 8 days.

Today

12°
26°

Tuesday

13°
20°

Wednesday

13°
22°

Thursday

12°
21°

Friday

10°
25°

Saturday

11°
28°

Sunday

11°
28°

Monday

12°
28°

Air Quality Data Available

Upgrade to access real-time air quality data for Granite Hills.

Upgrade Now
Powered by Airpult

Frequently asked questions about weather in Granite Hills

How warm does it get in Granite Hills?

The warmest month in Granite Hills is August, with average high temperatures of 28°C. The average temperature during this period is around 23°C.

How cold does it get in Granite Hills?

The coldest month in Granite Hills is January, with average low temperatures of 9°C. The average temperature during this period is around 13°C.

What is the wettest time of year in Granite Hills?

The wettest month in Granite Hills is January, with an average of 64mm of precipitation.

What is the driest time of year in Granite Hills?

The driest month in Granite Hills is June, with an average of 2mm of precipitation.

View full climate insights for Granite Hills →

Stay informed

Latest Weather News

  ·  

   

  ·  

   

  ·  

   

  ·  

   

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)