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Hillsborough Park, California Weather Forecast
Hillsborough Park, California Weather
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Weather Forecast for Hillsborough Park, California : San Mateo County
Issued: 12:26 am PST Dec 18, 2025 Latitude: 37.5549369 Longitude: -122.3588601 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Fog on Overnight Morning Fog on Thursday 80% chance of rain on Friday 80% chance of rain on Saturday Thunderstorms on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday Rain on Wednesday
Low: 46°F High: 60°F High: 62°F High: 60°F High: 61°F High: 58°F High: 58°F High: 58°F
Low: 50°F Low: 52°F Low: 52°F Low: 52°F Low: 48°F Low: 49°F  
Fog Morning Fog Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
SAN FRANCISCO - (KSFO)
50°
Mostly Clear
as of 12:56 AM PST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 1400ft
Current Conditions at
SAN CARLOS - (KSQL)
48°
Mostly Cloudy
as of 1:15 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Current Conditions at
OAKLAND - (KOAK)
52°
Mostly Cloudy
Shallow Fog
as of 12:53 AM PST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 9 Miles
Pressure: 30.16 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Few at 100ft, Scattered at 400ft, Broken at 800ft
Fog on Overnight Overnight... Patchy dense fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.

Morning Fog on Thursday Thursday... Widespread dense fog, mainly before 8am. Otherwise, partly sunny, with a high near 60. Calm wind.

40% chance of rain Thursday Night Thursday Night... A 40 percent chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. Calm wind.

80% chance of rain Friday Friday... Rain, mainly after 10am. Patchy fog before 7am. High near 62. South wind 5 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Friday Night Friday Night... Rain, mainly before 4am. Low around 52. South wind 6 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

80% chance of rain Saturday Saturday... Rain, mainly after 10am. High near 60. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of thunderstorms Saturday Night Saturday Night... Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Low around 52. Chance of precipitation is 90%.

Thunderstorms on Sunday Sunday... Showers and possibly a thunderstorm before 10am, then rain after 10am. Cloudy, with a high near 61.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 52.

70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 58.

70% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 48.

70% chance of rain Tuesday Tuesday... Rain likely. Mostly cloudy, with a high near 58.

Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 49.

Rain on Wednesday Wednesday... Rain. Cloudy, with a high near 58.

Sun Almanac for Hillsborough Park, California
Sunrise: 07:19 AM
Sunset: 4:53 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:27 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.