NWS Forecast for Hacienda Heights CA

National Weather Service Forecast for: Hacienda Heights CA
Issued by: National Weather Service Los Angeles/Oxnard, CA

Updated: 3:42 pm PDT Jul 12, 2026

Tonight Partly Cloudy	Monday Mostly Sunny	Monday Night Patchy Fog	Tuesday Patchy Fog then Sunny	Tuesday Night Mostly Clear	Wednesday Hot	Wednesday Night Mostly Clear	Thursday Hot	Thursday Night Mostly Clear
Lo 68 °F	Hi 91 °F	Lo 69 °F	Hi 97 °F	Lo 70 °F	Hi 101 °F	Lo 73 °F	Hi 96 °F	Lo 69 °F

Extreme Heat Watch
Heat Advisory

Tonight	Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Monday	Mostly sunny, with a high near 91. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon.
Monday Night	Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 69. Southwest wind 5 to 10 mph becoming light in the evening.
Tuesday	Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing and hot, with a high near 97. Heat index values as high as 113. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night	Mostly clear, with a low around 70. South southwest wind 5 to 10 mph becoming light south in the evening.
Wednesday	Sunny and hot, with a high near 101.
Wednesday Night	Mostly clear, with a low around 73.
Thursday	Mostly sunny and hot, with a high near 96.
Thursday Night	Mostly clear, with a low around 69.
Friday	Mostly sunny, with a high near 90.
Friday Night	A slight chance of showers. Partly cloudy, with a low around 67.
Saturday	A slight chance of showers. Mostly sunny, with a high near 90.
Saturday Night	Mostly clear, with a low around 67.
Sunday	Mostly sunny, with a high near 89.

Forecast from NOAA-NWS for Hacienda Heights CA.