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

GRASS MOUNTAIN (GMTC1)

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

NA

75°F

24°C

Humidity 38%
Wind Speed SW 15 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 15 Aug 05:59 PM PDT
Extended Forecast for

13 Miles NNE Santa Clarita CA

  • Tonight

    Tonight: Clear, with a low around 59. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 89. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Northwest wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 59. West wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 89. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 59. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 93. Northwest wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 64. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny and hot, with a high near 96.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Santa Clarita CA
 34.6°N 118.44°W (Elev. 2365 ft)
Last Update:
1:16 pm PDT Aug 15, 2026
Forecast Valid:
7pm PDT Aug 15, 2026-6pm PDT Aug 22, 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