Westborough, California Weather
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Weather Forecast for Westborough, California : San Mateo County
Issued: 5:20 am PDT Aug 16, 2025 Latitude: 37.6435459 Longitude: -122.4588624 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
20% chance of on Today 10% chance of on Tonight 10% chance of on Sunday Morning Fog on Monday Morning Fog on Tuesday Morning Fog on Wednesday Sunny on Thursday Patchy Fog on Friday
High: 65°F Low: 56°F High: 63°F High: 63°F High: 65°F High: 68°F High: 68°F High: 66°F
Low: 55°F Low: 55°F Low: 54°F Low: 56°F Low: 54°F  
Mostly Cloudy Mostly Cloudy Partly Sunny Morning Fog Morning Fog Morning Fog Sunny Patchy Fog
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20% chance of Today Today... A chance of drizzle, mainly before 11am. Mostly cloudy, with a high near 65. West wind 14 to 16 mph, with gusts as high as 25 mph.
10% chance of Tonight Tonight... A slight chance of drizzle before 11pm. Mostly cloudy, with a low around 56. West wind 13 to 15 mph, with gusts as high as 25 mph.
10% chance of Sunday Sunday... A slight chance of drizzle. Partly sunny, with a high near 63. West wind 9 to 14 mph, with gusts as high as 20 mph.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 55. West wind 9 to 15 mph, with gusts as high as 22 mph.
Morning Fog on Monday Monday... Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 63. West wind 7 to 14 mph, with gusts as high as 18 mph.
Morning Fog on Monday Night Monday Night... Patchy fog after 5am. Otherwise, partly cloudy, with a low around 55.
Morning Fog on Tuesday Tuesday... Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.
Morning Fog on Tuesday Night Tuesday Night... Patchy fog after 5am. Otherwise, partly cloudy, with a low around 54.
Morning Fog on Wednesday Wednesday... Patchy fog before 9am. Otherwise, sunny, with a high near 68.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 56.
Sunny on Thursday Thursday... Sunny, with a high near 68.
Patchy Fog on Thursday Night Thursday Night... Patchy fog. Otherwise, partly cloudy, with a low around 54.
Patchy Fog on Friday Friday... Patchy fog. Otherwise, mostly sunny, with a high near 66.
Sun Almanac for Westborough, California
Sunrise: 06:27 AM
Sunset: 8:01 PM
Civil Sunrise:05:59 AM
Civil Sunset: 8:29 PM
Nautical Sunrise: 05:26 AM
Nautical Sunset: 9:02 PM
Astro Sunrise: 04:51 AM
Astro Sunset: 9:37 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.