East Palo Alto, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for East Palo Alto, a city in Santa Clara County, California.

Today

66°F

Sunny

Sunny. High near 66, with temperatures falling to around 64 in the afternoon. Northwest wind 3 to 14 mph, with gusts as high as 22 mph.

7-day forecast for East Palo Alto

When	Temp	Forecast	Wind	Precip
Today	66°F	Sunny	3 to 14 mph NW	2%
Tonight	50°F	Mostly Cloudy then Patchy Fog	2 to 13 mph W	2%
Thursday	69°F	Patchy Fog then Mostly Sunny	2 to 7 mph NNW	0%
Thursday Night	48°F	Mostly Clear	2 to 7 mph W	0%
Friday	71°F	Sunny	2 to 7 mph NNE	0%
Friday Night	50°F	Mostly Clear	1 to 7 mph ESE	0%
Saturday	73°F	Sunny	1 to 6 mph N	0%
Saturday Night	52°F	Mostly Clear	1 to 6 mph WNW	0%
Sunday	71°F	Mostly Sunny	1 to 8 mph NNW	0%
Sunday Night	53°F	Partly Cloudy	1 to 8 mph W	0%
Monday	70°F	Mostly Sunny	1 to 10 mph WNW	2%
Monday Night	52°F	Partly Cloudy	1 to 10 mph W	2%
Tuesday	70°F	Sunny	0 to 7 mph NW	5%
Tuesday Night	53°F	Partly Cloudy	2 to 7 mph SW	13%

Forecast source: National Weather Service (api.weather.gov) for East Palo Alto (37.468, -122.133). Updated through the day.

Growing snapshot for East Palo Alto

Last spring frost

Feb 1

First fall frost

Dec 7

Growing season

310 days

Hardiness zone

10a

More local growing data for East Palo Alto: nearby ZIP 94303 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Palo Alto, Ca (1.7 mi from East Palo Alto). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.