Weather in Foster City, California
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:23 PM ET · Refreshes every hour
70°F
Clear sky
Feels like 68°F
53%
Humidity
14 mph
Wind Speed
About Weather in Foster City
Foster City is located in California (coordinates: 37.56482°N, 122.250782°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.