Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

42°F

6°C

Humidity 98%
Wind Speed SSW 27 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 11 Apr 11:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

Wind Advisory April 12, 03:00am until April 12, 10:00pm
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Rain likely, with thunderstorms also possible after 5am.  Mostly cloudy, with a low around 46. Breezy, with a south southwest wind around 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Rain Likely
    and Breezy

  • Sunday

    Sunday: Rain and possibly a thunderstorm.  High near 53. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Breezy. Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 11pm.  Partly cloudy, with a low around 40. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. Breezy, with a west wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 53 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 46. Breezy, with a south southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain and possibly a thunderstorm. High near 53. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 40. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 53. Breezy, with a west wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 41. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Clear, with a low around 41.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 42. Breezy.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.67°N 118.4°W (Elev. 3599 ft)
11:27 pm PDT Apr 11, 2026
12am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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