Garden Grove, California Weather:
Active Weather Warnings
Thursday, October 8, 2026
Cloudy Weather
Day 91°
Night 72°
Precipitation 2 %
Wind 5 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (October 8, 2025)
Night

Day

75°

Night

57°

Wind

4 mph

Precipitation

1 %

Weather Alerts and Warnings for

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued October 4 at 4:28AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Oct 4, 4:28 AM → Oct 8, 8:00 PM
WHAT: Dangerously hot conditions with high temperatures in the mid
90s to 103 and warm nights with low temperatures in the 70s
expected.

WHERE: Orange County Inland 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, 11:12 AM Source: NWS Alert