National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.

NA

55°F

13°C

Humidity 86%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 21 Jun 10:59 PM PDT
Extended Forecast for

12 Miles N Santa Clarita CA

Heat Advisory June 23, 08:00am until June 25, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 54. West wind around 10 mph.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. West northwest wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. West wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 54. West wind around 10 mph.
Monday
Sunny, with a high near 82. West northwest wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Clear, with a low around 58. West wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 87. West wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 63. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles N Santa Clarita CA
 34.59°N 118.47°W (Elev. 2848 ft)
Last Update:
11:31 pm PDT Jun 21, 2026
Forecast Valid:
11pm PDT Jun 21, 2026-6pm PDT Jun 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation