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

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65.0ft.

Mist

59°F

15°C

Humidity 100%
Wind Speed S 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 59°F (15°C)
Visibility 2.00 mi
Last update 17 Oct 11:55 AM PDT
Extended Forecast for

4 Miles SW Hillsborough CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. North wind 5 to 7 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northwest wind 5 to 8 mph becoming east southeast after midnight.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. East wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West northwest wind around 6 mph becoming south southwest after midnight.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Light and variable wind becoming west northwest around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. North wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 54. Northwest wind 5 to 8 mph becoming east southeast after midnight.
Saturday
Sunny, with a high near 72. East wind 5 to 7 mph becoming light and variable in the afternoon.
Saturday Night
Mostly clear, with a low around 53. West northwest wind around 6 mph becoming south southwest after midnight.
Sunday
Sunny, with a high near 69. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Hillsborough CA
 37.52°N 122.4°W (Elev. 1293 ft)
Last Update:
8:03 am PDT Oct 17, 2025
Forecast Valid:
12pm PDT Oct 17, 2025-6pm PDT Oct 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation