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

58°F

14°C

Humidity 34%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Oct 04:59 AM PDT
Extended Forecast for

13 Miles NNE Santa Clarita CA

  • Today

    Today: Sunny, with a high near 81. East wind around 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. East wind around 5 mph becoming north in the evening.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. Northeast wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Northwest wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 11am. Partly sunny, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 81. East wind around 10 mph, with gusts as high as 15 mph.
Tonight
Clear, with a low around 57. East wind around 5 mph becoming north in the evening.
Monday
Sunny, with a high near 80. Northeast wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 53. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 73. Northwest wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 50.
Wednesday
Showers likely, mainly after 11am. Partly sunny, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 47.
Thursday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 64.
Thursday Night
A chance of showers before 11pm. Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 67.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Santa Clarita CA
 34.6°N 118.44°W (Elev. 2365 ft)
Last Update:
12:46 am PDT Oct 18, 2026
Forecast Valid:
6am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation