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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

WhenTempForecastWindPrecip
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.