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

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

78°F

26°C

Humidity 31%
Wind Speed SSE 10 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index78°F (26°C)
Last update 14 Aug 02:00 PM PDT
Extended Forecast for

20 Miles ENE San Martin CA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. West southwest wind 6 to 8 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. West southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 85. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 54. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 88. West southwest wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 54. West southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles ENE San Martin CA
 37.18°N 121.26°W (Elev. 1401 ft)
Last Update:
2:00 pm PDT Aug 14, 2026
Forecast Valid:
3pm PDT Aug 14, 2026-6pm PDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation