Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Partly Cloudy

50°F

10°C

Humidity 87%
Wind Speed WNW 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 13 Apr 06:35 AM PDT
Extended Forecast for

Hillsborough CA

  • Today

    Today: Sunny, with a high near 64. Light west northwest wind increasing to 5 to 10 mph in the afternoon.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. West northwest wind 6 to 10 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. West wind 5 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. West northwest wind 6 to 10 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. West northwest wind 5 to 10 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 64. Light west northwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 49. West northwest wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 64. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 49. West northwest wind 6 to 10 mph.
Wednesday
Partly sunny, with a high near 66. West northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A slight chance of rain. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsborough CA
 37.55°N 122.35°W (Elev. 197 ft)
1:26 am PDT Apr 13, 2026
6am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database