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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

73°F

23°C

Humidity 21%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 23 Aug 02:00 AM PDT
Extended Forecast for

13 Miles ENE Morgan Hill CA

  • Overnight

    Overnight: Mostly clear, with a low around 64. Light west northwest wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 91 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 64. West wind 3 to 5 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 89. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 89 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. West wind 5 to 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 64. Light west northwest wind.
Sunday
Increasing clouds, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 64. West wind 3 to 5 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 89. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 63. West wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE Morgan Hill CA
 37.22°N 121.44°W (Elev. 2402 ft)
Last Update:
2:00 am PDT Aug 23, 2026
Forecast Valid:
2am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation