Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

Potential life threatening flash flooding across the northern Gulf Coast states as the remnants of Arthur track across the area. Remember, turn around - don't drown. In addition, severe thunderstorms with tornadoes are possible with the circulation of this storm. The threat for more severe thunderstorms will occur across portions of the Northeast, mid-Atlantic and central Appalachian's. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

81°F

27°C

Humidity 35%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index80°F (27°C)
Last update 18 Jun 01:00 PM PDT
Extended Forecast for

20 Miles ENE San Martin CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West southwest wind 3 to 7 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 53. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Juneteenth
Sunny, with a high near 77. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 52. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 80. West southwest wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 92.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles ENE San Martin CA
 37.22°N 121.3°W (Elev. 1434 ft)
2:00 pm PDT Jun 18, 2026
2pm PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database