2025 Compare Cities Climate:
Ontario, CA vs Foster City, CA

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Highlights
- Foster City has 21.7% more rainy days than Ontario.
- Foster City has 6.1% less Sunny Days than Ontario.
- On the BestPlaces comfort index, Foster City scores 1.1% worse than Ontario
 Ontario, CAFoster City, CAUnited States
 Rainfall  Unlock1938
 Snowfall0  Unlock28
 Precipitation  Unlock62106
 Sunny279  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock8.77
 UV Index5.7  Unlock4.3
 Elevation  Unlock72443
Reviews for Ontario    6 Reviews

We've lived in this area for several years. Traveling long distances to other cities for churches. Passing a quiet, unassuming church along the way for years. Until  More

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cool  More

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I think Ontario,ca us awesome because we have an entertainment Venue and large shopping mall to please everyone of all  More

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Reviews for Foster City    4 Reviews

Over 17 years ago

Built on lagoons, great climate, good schools, lots of soccer and other sports for kids, plenty of parking and  More

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Over 18 years ago

A great city to raise a family, safe, great weather around the year, good schools and plenty of recreation. But only if you can afford the hight cost of  More

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Landlords are able to command and receive high rent due to the following attributes: safety, weather and cleanliness of Foster City. The lagoon, waterways and gardens  More

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