Isla Vista, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Isla Vista, a community in Santa Barbara County, California.
Overnight
54°F
Mostly Clear
Mostly clear, with a low around 54. North northwest wind around 5 mph.
7-day forecast for Isla Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Clear | 5 mph NNW | 0% |
| Wednesday | 73°F | Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 56°F | Mostly Cloudy | 5 to 10 mph N | 0% |
| Thursday | 76°F | Mostly Sunny | 5 mph NW | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 mph N | 0% |
| Friday | 78°F | Sunny | 5 mph NW | 0% |
| Friday Night | 59°F | Mostly Clear | 5 mph NNW | 0% |
| Saturday | 79°F | Sunny | 5 mph W | 0% |
| Saturday Night | 62°F | Mostly Clear | 5 mph NNW | 0% |
| Sunday | 79°F | Sunny | 0 to 5 mph WNW | 0% |
| Sunday Night | 62°F | Partly Cloudy | 5 mph N | 0% |
| Monday | 78°F | Mostly Sunny | 5 mph W | 0% |
| Monday Night | 61°F | Partly Cloudy | 5 mph NNW | 1% |
| Tuesday | 76°F | Sunny | 5 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Isla Vista (34.412, -119.861). Updated through the day.
Growing snapshot for Isla Vista
Last spring frost
Jan 11
First fall frost
Dec 16
Growing season
342 days
Hardiness zone
10a
More local growing data for Isla Vista: nearby ZIP 93106 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Santa Barbara Muni Ap, Ca (0.8 mi from Isla Vista). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.