Oceanside, California Weather:
Active Weather Warnings
Friday, August 28, 2026
Cloudy Weather
Day 88°
Night 64°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (August 28, 2025)
Cloudy Night

Day

81°

Night

64°

Wind

2 mph

Precipitation

1 %

Weather Alerts and Warnings for

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued August 22 at 1:10PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Aug 25, 10:00 AM Aug 28, 8:00 PM
WHAT: Dangerously hot conditions with high temperatures reaching
the upper 80s to low 90s with limited overnight cooling.

WHERE: Orange County Coastal Areas and San Diego County Coastal
Areas.

WHEN: From Tuesday morning through Friday evening.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events.

ADDITIONAL DETAILS: The combination of hot daytime temperatures
with overnight temperatures struggling to drop below the lower 70s
will especially affect those without access to air conditioning.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Updated: Aug 22, 5:12 PM Source: NWS Alert
Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 25 at 12:19PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Aug 25, 12:19 PM Aug 28, 8:00 PM
WHAT: High temperatures during the peak of the heat on Thursday
and Friday in the mid 80s near the beaches to the mid to upper 90s
for the mesas and other higher coastal terrain expected. Low
temperatures will be mostly in the 70s.

WHERE: San Diego County Coastal Areas.

WHEN: Until 8 PM PDT Friday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events. Hot temperatures may cause heat illnesses.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Updated: Aug 25, 4:14 PM Source: NWS Alert