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February 19th, 2026 :: 1:22 am PST   

Local Weather Report for
Foster City
California, United States

 Current Foster City Weather Conditions Updated February 18th at 11:55 pm 
Overcast
Temperature:46°F Dew Point:45°F
Barometer:29.89 inHg Wind:N 21 Mph
Humidity:93.4% Visibility:0M
 
 Foster City Weather Forecast Summary  
 
Today
Feb 19th
Friday
Feb 20th
Saturday
Feb 21st
Sunday
Feb 22nd
Monday
Feb 23rd
Mix of rain and snow Cloudy Cloudy Cloudy Showers
45°F
53°F
37°F
56°F
39°F
64°F
45°F
61°F
53°F
 
 Foster City Detailed Weather Forecast  
 
Thursday, February 19th, 2026
Overnight Temperature: 41°F
Cloudy with a few showers.
Morning Temperature: 44°F
Cloudy with showers likely.
Afternoon Temperature: 44°F
Cloudy with a chance of showers.
Evening Temperature: 40°F
Clear.
Friday, February 20th, 2026
Overnight Temperature: 38°F
Cloudy.
Morning Temperature: 49°F
Cloudy.
Afternoon Temperature: 50°F
Sunny with cloudy periods.
Evening Temperature: 42°F
Clear.
Saturday, February 21st, 2026
Overnight Temperature: 40°F
Clear with cloudy periods.
Morning Temperature: 53°F
Cloudy.
Afternoon Temperature: 53°F
Cloudy.
Evening Temperature: 48°F
Cloudy.
Sunday, February 22nd, 2026
Overnight Temperature: 45°F
Clear.
Morning Temperature: 61°F
Cloudy. Windy at times.
Afternoon Temperature: 58°F
Cloudy.
Evening Temperature: 53°F
Cloudy.
Monday, February 23rd, 2026
Overnight Temperature: 53°F
Cloudy.
Morning Temperature: 61°F
Cloudy with a chance of showers.
Afternoon Temperature: 55°F
Cloudy with showers. Windy at times.
Evening Temperature: 55°F
Cloudy with showers. Windy at times.
Tuesday, February 24th, 2026
Overnight Temperature: 55°F
Cloudy with showers likely.
Morning Temperature: 57°F
Cloudy with a few showers.
Afternoon Temperature: 57°F
Cloudy with showers likely.
Evening Temperature: 55°F
Cloudy with a chance of showers.
Wednesday, February 25th, 2026
Overnight Temperature: 52°F
Cloudy with showers likely.
Morning Temperature: 56°F
Cloudy with sunny periods with showers likely. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 54°F
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 48°F
Mostly clear with a chance of showers.





 

  [ Local Weather Report ]
Belmont, CA 
11:55 PM  46°F
Overcast
 
San Carlos, CA 
11:55 PM  46°F
Overcast
 
San Mateo, CA 
11:56 PM  46°F
light rain
 
Burlingame, CA 
11:56 PM  46°F
light rain
 
Redwood City, CA 
11:55 PM  46°F
Overcast
 
Hillsborough, CA 
11:56 PM  46°F
light rain
 
San Francisco, CA 
11:56 PM  46°F
light rain
 
Millbrae, CA 
11:56 PM  46°F
light rain
 
Atherton, CA 
 
Menlo Park, CA 

 
This WeatherCity Weather Forecast for Foster City, California, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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