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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Palo Alto Airport (KPAO)

Lat: 37.46667°NLon: 122.11667°WElev: 7.0ft.

Mostly Cloudy

73°F

23°C

Humidity 69%
Wind Speed N 9 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Sep 01:47 PM PDT
Extended Forecast for

Newark CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Northwest wind 8 to 10 mph.

    High: 78 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 76. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. West northwest wind 6 to 11 mph becoming light west in the evening. Winds could gust as high as 18 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

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

    High: 76 °F

    Sunny

  • Saturday Night

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

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Northwest wind 8 to 10 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 76. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 62. West northwest wind 6 to 11 mph becoming light west in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 76. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A slight chance of showers. Partly sunny, with a high near 79.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newark CA
 37.54°N 122.03°W (Elev. 69 ft)
Last Update:
1:26 pm PDT Sep 18, 2025
Forecast Valid:
2pm PDT Sep 18, 2025-6pm PDT Sep 24, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation