Newark, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newark, a city in Alameda County, California.
This Afternoon
64°F
Light Rain Likely
Rain likely. Partly sunny. High near 64, with temperatures falling to around 61 in the afternoon. South southwest wind 3 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Newark
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Light Rain Likely | 3 to 10 mph SSW | 64% |
| Tonight | 50°F | Chance Light Rain then Mostly Cloudy | 3 to 7 mph ESE | 34% |
| Wednesday | 66°F | Patchy Fog then Sunny | 2 to 10 mph NNW | 1% |
| Wednesday Night | 50°F | Mostly Cloudy then Patchy Fog | 1 to 9 mph NNW | 0% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 1 to 7 mph N | 0% |
| Thursday Night | 50°F | Mostly Clear | 2 to 7 mph NW | 0% |
| Friday | 71°F | Sunny | 1 to 6 mph N | 0% |
| Friday Night | 51°F | Clear | 0 to 6 mph ENE | 0% |
| Saturday | 74°F | Sunny | 1 to 6 mph NNE | 0% |
| Saturday Night | 52°F | Mostly Clear | 0 to 6 mph WNW | 0% |
| Sunday | 72°F | Mostly Sunny | 1 to 6 mph NNE | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 6 mph W | 0% |
| Monday | 70°F | Partly Sunny | 0 to 7 mph W | 1% |
| Monday Night | 51°F | Mostly Cloudy | 1 to 7 mph WSW | 1% |
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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Berkeley
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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 Nov 4, 2026.