Rutherford, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rutherford, a community in Napa County, California.
Overnight
53°F
Patchy Fog
Patchy fog after 4am. Partly cloudy, with a low around 53. Wind around 0 mph.
7-day forecast for Rutherford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Patchy Fog | 0 mph | 0% |
| Saturday | 90°F | Patchy Fog then Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 52°F | Mostly Cloudy then Patchy Fog | 2 mph WNW | 0% |
| Sunday | 83°F | Areas Of Fog then Mostly Cloudy | 2 mph SSW | 0% |
| Sunday Night | 51°F | Mostly Cloudy then Areas Of Fog | 2 mph W | 0% |
| Monday | 85°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 50°F | Areas Of Fog | 0 to 5 mph WNW | 0% |
| Tuesday | 86°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph SW | 0% |
| Tuesday Night | 52°F | Mostly Clear then Patchy Fog | 0 to 3 mph WSW | 0% |
| Wednesday | 93°F | Areas Of Fog then Sunny | 2 mph N | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 2 mph WNW | 0% |
| Thursday | 94°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Friday | 88°F | Mostly Sunny | 0 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rutherford (38.459, -122.429). Updated through the day.
Growing snapshot for Rutherford
Last spring frost
Feb 3
First fall frost
Dec 4
Growing season
306 days
Hardiness zone
9b
More local growing data for Rutherford: nearby ZIP 94573 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
American Canyon
Angwin
Deer Park
Moskowite Corner
Napa
Oakville
Silverado Resort
St. Helena
Yountville
Climate data from the nearest NOAA station, Saint Helena, Ca (4 mi from Rutherford). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.