Foster City Weather in March

With daytime temperatures of 18°C (64°F) and nighttime lows of 8°C (46°F), March in Foster City brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 67 mm (2.6 in) falls on average.

Rainfall in Foster City in March

This month experiences about 10 days of rain according to historical data, averaging 67 mm (2.6 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Foster City in March

Daytime temperatures in Foster City reach 18°C (64°F) in March, dropping to 8°C (46°F) at night. Conditions are often most pleasant around the middle of the day. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Foster City in March

The city usually sees around 270 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Foster City in March

Wind speeds average 5 m/s (10 knots) during March. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in March

The water temperature is only 12°C (54°F) this month, cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August, September and October typically offer the best circumstances for Foster City.