Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

64°F

18°C

Humidity 25%
Wind Speed SSW 24 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 20 Apr 01:59 PM PDT
Extended Forecast for

13 Miles W Quartz Hill CA

Wind Advisory April 21, 10:00am until April 21, 10:00pm
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 68. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.

    High: 68 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Rain likely after 11am.  Mostly cloudy, with a high near 59. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Rain likely before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Breezy. Rain
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42. Breezy.

    Low: 42 °F

    Clear and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

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

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 68. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 47. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Rain likely after 11am. Mostly cloudy, with a high near 59. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. 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 43. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 59. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Clear, with a low around 42. Breezy.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A slight chance of rain. Mostly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 44. Breezy.
Sunday
Mostly sunny, with a high near 59.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W Quartz Hill CA
 34.69°N 118.44°W (Elev. 3658 ft)
12:46 pm PDT Apr 20, 2026
2pm PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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Additional Resources

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