National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

55°F

13°C

Humidity 58%
Wind Speed W 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 07 Jan 12:00 PM PST
Extended Forecast for

15 Miles ENE Morgan Hill CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. Northwest wind around 9 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. West northwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Areas of frost before 8am. Otherwise, sunny, with a high near 49. North northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 49 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 33. North northwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Clear

  • Friday

    Friday: Widespread frost before 7am. Otherwise, sunny, with a high near 51. East northeast wind 3 to 6 mph.

    High: 51 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Areas of frost after midnight. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Northwest wind around 9 mph.
Tonight
Mostly clear, with a low around 37. West northwest wind around 9 mph, with gusts as high as 20 mph.
Thursday
Areas of frost before 8am. Otherwise, sunny, with a high near 49. North northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Clear, with a low around 33. North northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Friday
Widespread frost before 7am. Otherwise, sunny, with a high near 51. East northeast wind 3 to 6 mph.
Friday Night
Areas of frost after midnight. Otherwise, mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Morgan Hill CA
 37.23°N 121.38°W (Elev. 1339 ft)
Last Update:
1:21 am PST Jan 7, 2026
Forecast Valid:
1pm PST Jan 7, 2026-6pm PST Jan 13, 2026
 
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