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Newark, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Newark, a city in Alameda County, California.

Overnight
59°F
Mostly Clear
Mostly clear, with a low around 59. Northwest wind around 2 mph.

7-day forecast for Newark

WhenTempForecastWindPrecip
Overnight 59°F Mostly Clear 2 mph NW 0%
Tuesday 86°F Haze then Sunny 2 to 12 mph NW 0%
Tuesday Night 59°F Mostly Clear 2 to 10 mph NW 0%
Wednesday 84°F Sunny 2 to 10 mph WNW 0%
Wednesday Night 60°F Mostly Clear 1 to 10 mph WNW 0%
Thursday 82°F Sunny 1 to 12 mph W 0%
Thursday Night 60°F Mostly Clear 2 to 12 mph WNW 0%
Friday 87°F Sunny 2 to 10 mph WNW 0%
Friday Night 62°F Mostly Clear 2 to 10 mph WNW 0%
Saturday 86°F Sunny 2 to 12 mph WNW 0%
Saturday Night 63°F Mostly Clear 3 to 12 mph W 0%
Sunday 82°F Sunny 3 to 12 mph W 0%
Sunday Night 60°F Mostly Clear 5 to 12 mph W 0%
Monday 78°F Sunny 5 to 13 mph WSW 0%

Forecast source: National Weather Service (api.weather.gov) for Newark (37.504, -122.032). Updated through the day.

Growing snapshot for Newark

Last spring frost
Jan 1
First fall frost
Dec 27
Growing season
365 days
Hardiness zone
10a

More local growing data for Newark: nearby ZIP 94560 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Newark, Ca (0.7 mi from Newark). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.