Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

50°F

10°C

Humidity 34%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 19 May 02:59 AM PDT
Extended Forecast for

9 Miles W Quartz Hill CA

  • Overnight

    Overnight: Clear, with a low around 45. North wind around 10 mph.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. North northeast wind around 10 mph becoming west northwest in the evening.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55. Breezy.

    Low: 55 °F

    Clear and
    Breezy then
    Clear

Detailed Forecast

Overnight
Clear, with a low around 45. North wind around 10 mph.
Tuesday
Sunny, with a high near 73. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Clear, with a low around 51. North northeast wind around 10 mph becoming west northwest in the evening.
Wednesday
Sunny, with a high near 77. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 57. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 57.
Friday
Sunny, with a high near 80.
Friday Night
Clear, with a low around 55. Breezy.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 53. Breezy.
Sunday
Sunny, with a high near 79.
Sunday Night
Clear, with a low around 54. Breezy.
Memorial Day
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W Quartz Hill CA
 34.65°N 118.37°W (Elev. 3396 ft)
2:07 am PDT May 19, 2026
3am PDT May 19, 2026-6pm PDT May 25, 2026
 
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Additional Resources

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National Digital Forecast Database