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Morgan Hill, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Morgan Hill, a city in Santa Clara County, California.

Tonight
48°F
Partly Cloudy then Patchy Fog
Patchy fog between midnight and 3am. Partly cloudy, with a low around 48. East wind around 5 mph.

7-day forecast for Morgan Hill

WhenTempForecastWindPrecip
Tonight 48°F Partly Cloudy then Patchy Fog 5 mph E 4%
Wednesday 70°F Sunny 3 to 13 mph NNW 1%
Wednesday Night 48°F Mostly Cloudy 3 to 14 mph NNW 1%
Thursday 74°F Mostly Sunny 6 mph NW 0%
Thursday Night 46°F Clear 6 mph N 0%
Friday 78°F Sunny 0 to 3 mph NNE 0%
Friday Night 48°F Mostly Clear 0 to 3 mph NNE 0%
Saturday 81°F Sunny 0 to 5 mph E 0%
Saturday Night 49°F Mostly Clear 0 to 5 mph N 0%
Sunday 80°F Sunny 0 to 5 mph N 0%
Sunday Night 51°F Partly Cloudy 0 to 6 mph N 0%
Monday 78°F Mostly Sunny 3 mph NW 0%
Monday Night 50°F Partly Cloudy 3 to 7 mph NNW 1%
Tuesday 77°F Sunny 0 to 3 mph NNW 6%

Forecast source: National Weather Service (api.weather.gov) for Morgan Hill (37.132, -121.642). Updated through the day.

Growing snapshot for Morgan Hill

Last spring frost
Feb 24
First fall frost
Nov 27
Growing season
277 days
Hardiness zone
9b

More local growing data for Morgan Hill: nearby ZIP 95037 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Gilroy, Ca (11.1 mi from Morgan Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.