Oakley, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oakley, a city in Contra Costa County, California.
This Afternoon
80°F
Sunny
Sunny, with a high near 80. West northwest wind around 12 mph, with gusts as high as 18 mph.
7-day forecast for Oakley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 12 mph WNW | 0% |
| Tonight | 61°F | Clear | 5 to 12 mph W | 0% |
| Saturday | 83°F | Sunny | 5 to 9 mph W | 0% |
| Saturday Night | 62°F | Partly Cloudy | 5 to 9 mph W | 0% |
| Sunday | 78°F | Partly Sunny | 6 to 9 mph WSW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 9 mph WSW | 0% |
| Monday | 80°F | Sunny | 10 mph W | 0% |
| Monday Night | 59°F | Mostly Clear | 3 to 10 mph WSW | 0% |
| Tuesday | 85°F | Sunny | 3 to 9 mph W | 0% |
| Tuesday Night | 61°F | Clear | 0 to 9 mph W | 0% |
| Wednesday | 91°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 5 mph W | 0% |
| Thursday | 92°F | Sunny | 0 to 9 mph WNW | 0% |
| Thursday Night | 65°F | Mostly Clear | 5 to 9 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Oakley (37.996, -121.694). Updated through the day.
Growing snapshot for Oakley
Last spring frost
Jan 12
First fall frost
Dec 19
Growing season
343 days
Hardiness zone
9b
More local growing data for Oakley: nearby ZIP 94561 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Acalanes Ridge
Alamo
Alhambra Valley
Antioch
Bay Point
Bayview
Benicia
Bethel Island
Blackhawk
Brentwood
Byron
Castle Hill
Clayton
Clyde
Concord
Contra Costa Centre
Crockett
Danville
Diablo
Discovery Bay
East Richmond Heights
El Cerrito
El Sobrante
Hercules
Knightsen
Lafayette
Martinez
Montalvin Manor
Moraga
Mountain View
Climate data from the nearest NOAA station, Antioch Pumping Plt #3, Ca (3.4 mi from Oakley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.