Murrieta, California Weather:
Active Weather Warnings
Saturday, August 29, 2026
Cloudy Weather
Day 100°
Night 64°
Precipitation 1 %
Wind 9 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (August 29, 2025)
Night

Day

99°

Night

61°

Wind

5 mph

Precipitation

0 %

Weather Alerts and Warnings for

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued August 28 at 9:06PM PDT until August 29 at 8:00PM PDT by NWS San Diego CA
Aug 28, 9:06 PM Aug 29, 8:00 PM
WHAT: Hot conditions continue into Saturday with high temperatures
up to 103 degrees. Lows will be in the mid to upper 70s.

WHERE: San Bernardino and Riverside County Valleys-The Inland
Empire.

WHEN: Until 8 PM PDT Saturday.

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

ADDITIONAL DETAILS: Temperatures will fall to below normal by
Sunday.
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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: Aug 28, 10:30 PM Source: NWS Alert