Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

69°F

21°C

Humidity 34%
Wind Speed ENE 8 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 09 Nov 03:00 PM PST
Extended Forecast for

13 Miles ENE San Martin CA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 48. Light northwest wind.

    Low: 48 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming northeast around 6 mph in the morning.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 48. Calm wind.

    Low: 48 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 77. Calm wind becoming east 5 to 7 mph in the morning.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 10am.  Partly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 48. Light northwest wind.
Tuesday
Sunny, with a high near 75. Calm wind becoming northeast around 6 mph in the morning.
Tuesday Night
Clear, with a low around 48. Calm wind.
Veterans Day
Sunny, with a high near 77. Calm wind becoming east 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 48. Calm wind.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 47.
Friday
A chance of rain, mainly after 10am. Partly sunny, with a high near 65.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A slight chance of rain. Partly sunny, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 58.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40.
Monday
A slight chance of rain. Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE San Martin CA
 37.16°N 121.4°W (Elev. 1447 ft)
1:00 pm PST Nov 9, 2026
3pm PST Nov 9, 2026-6pm PST Nov 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database