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

49°F

9°C

Humidity 44%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 19 Jan 08:59 PM PST
Extended Forecast for

13 Miles NNE Santa Clarita CA

  • Tonight

    Tonight: Clear, with a low around 51. Breezy, with an east northeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 67. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 67 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Northeast wind 5 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. North northeast wind around 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 51. Breezy, with an east northeast wind around 20 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 67. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
Partly cloudy, with a low around 50. Northeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 66. Northeast wind 5 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 50. North northeast wind around 5 mph.
Thursday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 64.
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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:
8:31 pm PST Jan 19, 2026
Forecast Valid:
9pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation