Newark, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newark, a city in Alameda County, California.
This Afternoon
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 73 in the afternoon. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
7-day forecast for Newark
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 8 to 13 mph NW | 0% |
| Tonight | 57°F | Mostly Clear | 2 to 12 mph NNW | 0% |
| Saturday | 79°F | Patchy Fog then Mostly Sunny | 2 to 12 mph WNW | 0% |
| Saturday Night | 58°F | Mostly Cloudy | 5 to 9 mph WNW | 0% |
| Sunday | 73°F | Partly Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 58°F | Mostly Cloudy | 3 to 10 mph W | 3% |
| Monday | 75°F | Mostly Sunny | 3 to 10 mph WSW | 0% |
| Monday Night | 57°F | Partly Cloudy | 2 to 10 mph W | 0% |
| Tuesday | 78°F | Sunny | 2 to 10 mph WSW | 0% |
| Tuesday Night | 58°F | Mostly Clear | 1 to 10 mph WSW | 0% |
| Wednesday | 86°F | Sunny | 1 to 10 mph WSW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 1 to 10 mph WSW | 0% |
| Thursday | 87°F | Sunny | 1 to 10 mph W | 0% |
| Thursday Night | 62°F | Partly Cloudy | 2 to 10 mph W | 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
Nearby towns & communities
Alameda
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Fairview
Fremont
Hayward
Kensington
Livermore
Mountain House
Oakland
Piedmont
Pleasanton
San Leandro
San Lorenzo
Sunol
Union City
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 Sep 19, 2026.