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.
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. North wind 5 to 10 mph.
7-day forecast for Isla Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 83°F | Sunny | 5 to 10 mph SW | 1% |
| Saturday Night | 55°F | Patchy Fog | 5 to 10 mph NNE | 0% |
| Sunday | 81°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph SW | 0% |
| Sunday Night | 54°F | Mostly Cloudy | 5 mph NNW | 2% |
| Monday | 79°F | Mostly Sunny | 5 to 15 mph W | 2% |
| Monday Night | 61°F | Mostly Clear | 5 to 10 mph NW | 1% |
| Tuesday | 74°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 64°F | Mostly Clear | 5 to 10 mph NNE | 0% |
| Wednesday | 77°F | Sunny | 5 mph SW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 5 mph NNW | 2% |
| Thursday | 76°F | Mostly Sunny | 5 mph SSE | 2% |
| Thursday Night | 65°F | Partly Cloudy | 0 to 5 mph SE | 1% |
| Friday | 77°F | Mostly Sunny | 5 to 10 mph S | 1% |
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 Sep 19, 2026.