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Forest Knolls, California Weather Forecast
Forest Knolls, California Weather
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Weather Forecast for Forest Knolls, California : San Francisco County
Issued: 2:08 am PST Dec 18, 2025 Latitude: 37.7544444 Longitude: -122.4591667 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Partly Sunny on This Afternoon 40% chance of rain on Tonight 90% chance of rain on Friday 70% chance of rain on Saturday 100% chance of rain on Sunday Rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 57°F Low: 51°F High: 58°F High: 56°F High: 57°F High: 55°F High: 54°F High: 54°F
Low: 52°F Low: 52°F Low: 53°F Low: 48°F Low: 49°F  
Partly Sunny Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
SAN CARLOS - (KSQL)
54°
Cloudy
as of 11:35 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 9 Miles
Pressure: 30.20 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
HAYWARD - (KHWD)
54°
Cloudy
Mist
as of 11:43 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 6 Miles
Pressure: 30.18 in.
Flight Rule: MVFR
Wind Data
5 MPH
250° West
Cloud Level(s): Solid Overcast at 1000ft
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 57. West wind 3 to 5 mph.

40% chance of rain Tonight Tonight... A 40 percent chance of rain. Cloudy, with a low around 51. South southwest wind 3 to 7 mph.

90% chance of rain Friday Friday... Rain, mainly after 10am. High near 58. South wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of rain Friday Night Friday Night... Rain, mainly before 4am. Low around 52. Southwest wind 7 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Cloudy, with a high near 56. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of rain Saturday Night Saturday Night... Rain. Low around 52. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

100% chance of rain Sunday Sunday... Rain. High near 57. Chance of precipitation is 100%.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 53.

Rain on Monday Monday... Rain. Cloudy, with a high near 55.

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

70% chance of rain Tuesday Tuesday... Rain likely. Cloudy, with a high near 54.

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

70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 54.

Current Radar Image


Sun Almanac for Forest Knolls, California
Sunrise: 07:20 AM
Sunset: 4:53 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:28 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.