Spring Valley, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Valley, a community in San Diego County, California.
Overnight
65°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 65. Southwest wind around 5 mph.
7-day forecast for Spring Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Patchy Fog | 5 mph SW | 0% |
| Tuesday | 83°F | Patchy Fog then Mostly Sunny | 0 to 10 mph W | 1% |
| Tuesday Night | 65°F | Patchy Fog | 0 to 10 mph W | 1% |
| Wednesday | 82°F | Patchy Fog then Mostly Sunny | 5 to 10 mph W | 1% |
| Wednesday Night | 65°F | Mostly Clear then Patchy Fog | 0 to 5 mph SW | 1% |
| Thursday | 84°F | Patchy Fog then Sunny | 0 to 10 mph SW | 1% |
| Thursday Night | 66°F | Patchy Fog | 0 to 5 mph W | 1% |
| Friday | 87°F | Patchy Fog then Sunny | 0 to 10 mph W | 1% |
| Friday Night | 66°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Saturday | 86°F | Sunny | 0 to 10 mph SW | 1% |
| Saturday Night | 66°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Sunday | 85°F | Sunny | 0 to 10 mph SW | 2% |
| Sunday Night | 66°F | Partly Cloudy | 0 to 10 mph SW | 4% |
| Monday | 84°F | Sunny | 0 to 10 mph SW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Spring Valley (32.730, -116.976). Updated through the day.
Growing snapshot for Spring Valley
Last spring frost
Jan 6
First fall frost
Dec 21
Growing season
350 days
Hardiness zone
10b
More local growing data for Spring Valley: nearby ZIP 91977 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Alpine
Bonita
Bonsall
Borrego Springs
Bostonia
Boulevard
Camp Pendleton Mainside
Camp Pendleton South
Campo
Carlsbad
Casa de Oro-Mount Helix
Chula Vista
Coronado
Crest
Del Dios
Del Mar
Descanso
El Cajon
Elfin Forest
Encinitas
Escondido
Eucalyptus Hills
Fairbanks Ranch
Fallbrook
Granite Hills
Harbison Canyon
Harmony Grove
Hidden Meadows
Imperial Beach
Jacumba
Climate data from the nearest NOAA station, El Cajon, Ca (6.4 mi from Spring Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.