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El Granada, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for El Granada, a community in San Mateo County, California.

Tonight
54°F
Mostly Cloudy
Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. West northwest wind 3 to 7 mph.

7-day forecast for El Granada

WhenTempForecastWindPrecip
Tonight 54°F Mostly Cloudy 3 to 7 mph WNW 1%
Saturday 66°F Partly Sunny 3 to 9 mph W 1%
Saturday Night 53°F Mostly Cloudy 6 to 9 mph WNW 2%
Sunday 61°F Cloudy 7 mph W 4%
Sunday Night 53°F Cloudy 3 to 7 mph WNW 4%
Monday 63°F Mostly Cloudy 3 to 7 mph W 4%
Monday Night 53°F Mostly Cloudy 2 to 7 mph WSW 3%
Tuesday 65°F Partly Sunny 2 to 8 mph WSW 2%
Tuesday Night 52°F Mostly Cloudy then Patchy Fog 2 to 8 mph W 0%
Wednesday 73°F Patchy Fog then Mostly Sunny 2 to 8 mph W 0%
Wednesday Night 55°F Partly Cloudy 1 to 8 mph W 0%
Thursday 75°F Mostly Sunny 1 to 8 mph W 0%
Thursday Night 55°F Partly Cloudy 5 to 8 mph W 0%
Friday 70°F Mostly Sunny 6 to 9 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for El Granada (37.514, -122.465). Updated through the day.

Growing snapshot for El Granada

Last spring frost
Feb 6
First fall frost
Dec 17
Growing season
328 days
Hardiness zone
10a

More local growing data for El Granada: nearby ZIP 94018 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Half Moon Bay, Ca (2.8 mi from El Granada). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.