San Diego, California Weather:
Active Weather Warnings
Thursday, October 8, 2026
Cloudy Weather
Day 84°
Night 72°
Precipitation 1 %
Wind 8 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (October 8, 2025)
Cloudy Night

Day

73°

Night

63°

Wind

7 mph

Precipitation

25 %

Weather Alerts and Warnings for

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued October 3 at 9:40PM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Oct 3, 9:40 PM → Oct 8, 8:00 PM
WHAT: Dangerously hot conditions with high temperatures ranging
from the mid 80s to mid 90s at the beaches to the mid 90s to low
100s for the mesas. Nights will be very warm with low temperatures
mostly in the 70s.

WHERE: San Diego County Coastal Areas.

WHEN: Until 8 PM PDT Thursday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Updated: Oct 4, 2:05 AM Source: NWS Alert