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

61°F

16°C

Humidity 27%
Wind Speed SW 18 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 20 Apr 11:59 AM PDT
Extended Forecast for

13 Miles NNE Santa Clarita CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 74 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Rain likely after 11am. Mostly cloudy, with a high near 65. Breezy, with a south southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Rain likely before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 67 °F

    Sunny and
    Breezy then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 44. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Rain likely after 11am. Mostly cloudy, with a high near 65. Breezy, with a south southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 67. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A slight chance of rain. Partly sunny, with a high near 64. Breezy.
Saturday Night
Mostly cloudy, with a low around 45. Breezy.
Sunday
Mostly sunny, with a high near 65.
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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:
11:27 am PDT Apr 20, 2026
Forecast Valid:
12pm PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation