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

Tropical Depression in the Gulf; Severe Thunderstorms Monday

Tropical Depression Two is expected to gradually strengthen and could bring tropical storm conditions to the Florida Panhandle beginning late Monday. Areas of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest Monday, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

81°F

27°C

Humidity 32%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index80°F (27°C)
Last update 19 Jul 09:00 PM PDT
Extended Forecast for

13 Miles ENE San Martin CA

  • Tonight

    Tonight: Partly cloudy, with a low around 61. West southwest wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89. Light west southwest wind increasing to 5 to 9 mph in the morning.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. West wind 3 to 7 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. West wind 3 to 8 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. West wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. West southwest wind around 6 mph.
Monday
Sunny, with a high near 89. Light west southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 64. West wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 94. West wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 65. West wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 92.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE San Martin CA
 37.18°N 121.4°W (Elev. 1512 ft)
Last Update:
2:00 pm PDT Jul 19, 2026
Forecast Valid:
9pm PDT Jul 19, 2026-6pm PDT Jul 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation