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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

Lat: 37.35917°NLon: 121.92417°WElev: 59.0ft.

Partly Cloudy

73°F

23°C

Humidity 53%
Wind Speed NW 13 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Aug 12:35 PM PDT
Extended Forecast for

Milpitas CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Northwest wind 8 to 13 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Northwest wind 6 to 11 mph becoming light.

    Low: 56 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 74. Light northwest wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 74 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. West northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Northwest wind 8 to 13 mph.
Tonight
Increasing clouds, with a low around 56. Northwest wind 6 to 11 mph becoming light.
Monday
Partly sunny, then gradually becoming sunny, with a high near 74. Light northwest wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 55. West northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 76. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Milpitas CA
 37.45°N 121.9°W (Elev. 23 ft)
Last Update:
2:33 am PDT Aug 17, 2025
Forecast Valid:
12pm PDT Aug 17, 2025-6pm PDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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Chance of Precipitation