Orinda, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Orinda, a city in Contra Costa County, California.
Today
64°F
Sunny
Sunny. High near 64, with temperatures falling to around 61 in the afternoon. North wind around 7 mph.
7-day forecast for Orinda
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Sunny | 7 mph N | 2% |
| Tonight | 48°F | Mostly Cloudy | 2 to 6 mph WNW | 2% |
| Thursday | 69°F | Mostly Sunny | 3 mph NNW | 0% |
| Thursday Night | 49°F | Mostly Clear | 2 mph WSW | 0% |
| Friday | 71°F | Sunny | 3 mph NNE | 0% |
| Friday Night | 49°F | Mostly Clear | 2 mph E | 0% |
| Saturday | 74°F | Sunny | 2 to 6 mph NNE | 0% |
| Saturday Night | 49°F | Mostly Clear | 2 mph WNW | 0% |
| Sunday | 71°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 2 mph SW | 0% |
| Monday | 69°F | Mostly Sunny | 3 mph WSW | 2% |
| Monday Night | 50°F | Partly Cloudy | 3 mph WSW | 2% |
| Tuesday | 69°F | Sunny | 3 mph NW | 5% |
| Tuesday Night | 53°F | Partly Cloudy | 3 mph SSW | 13% |
Forecast source: National Weather Service (api.weather.gov) for Orinda (37.882, -122.169). Updated through the day.
Growing snapshot for Orinda
Last spring frost
Jan 3
First fall frost
Jan 1
Growing season
365 days
Hardiness zone
9b
More local growing data for Orinda: nearby ZIP 94563 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Berkeley, Ca (3 mi from Orinda). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.