90640 Weather (Montebello, CA)

Weather forecast for: Montebello CA

Last Update: 11:26 am PDT Sep 23, 2026

This Afternoon: Sunny, with a high near 89. West southwest wind around 10 mph.

Tonight: Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

Thursday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

Thursday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.

Friday: Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66.

Saturday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 91.

Saturday Night: Partly cloudy, with a low around 69.

Sunday: Mostly sunny, with a high near 85.

Sunday Night: A slight chance of showers after 11pm. Partly cloudy, with a low around 66.

Monday: Sunny, with a high near 83.

Monday Night: Mostly clear, with a low around 65.

Tuesday: Sunny, with a high near 89.