See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Overcast
Feels Like: 19°
Min: 19°
Max: 21°
The next few hours will be overcast, with today reaching 21°C and dropping to 19°C. The coming days will be mostly clear until evening, returning overnight.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:47
Sunrise
19:00
Sunset
Moon
Waxing Crescent
11:25
Moonrise
20:53
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Isla Vista today, September 15, 2026
Isla Vista looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Cloud leads the morning, peaking close to 100% near 08:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 19°C toward a daytime high of about 21°C. The air stays humid, with relative humidity between 85% and 90% and the peak around 16:00. Airflow remains manageable, reaching about 3.5 km/h around 18:00.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 14:00. Outdoor plans may still want a flexible backup. Expect visibility near 14.9 km, with poorer spells close to 13.6 km. Daylight runs from 06:47 to 19:00, lasting 12 hours 12 minutes of sunlight today.
In short, cloud leads the story in Isla Vista on September 15, 2026; expect limited sun and a peak around 21°C.
Frequently asked questions about weather in Isla Vista
How warm does it get in Isla Vista?
The warmest month in Isla Vista is August, with average high temperatures of 26°C. The average temperature during this period is around 22°C.
How cold does it get in Isla Vista?
The coldest month in Isla Vista is February, with average low temperatures of 8°C. The average temperature during this period is around 12°C.
What is the wettest time of year in Isla Vista?
The wettest month in Isla Vista is January, with an average of 103mm of precipitation.
What is the driest time of year in Isla Vista?
The driest month in Isla Vista is July, with an average of 1mm of precipitation.
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