90640 Weather (Montebello, CA)

Weather forecast for: Montebello CA

Last Update: 3:21 am PST Nov 13, 2026

Overnight: Showers and possibly a thunderstorm. Low around 59. Calm wind. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: Showers and possibly a thunderstorm before 10am, then a chance of showers between 10am and 4pm, then rain likely after 4pm. High near 70. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night: Rain. Low around 56. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday: Sunny, with a high near 70. South wind around 5 mph.

Saturday Night: Mostly clear, with a low around 55. East northeast wind around 5 mph.

Sunday: Mostly sunny, with a high near 71.

Sunday Night: A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 56.

Monday: A slight chance of showers before 10am, then rain likely after 10am. Mostly cloudy, with a high near 68.

Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52.

Tuesday: A slight chance of rain before 10am. Mostly sunny, with a high near 66.

Tuesday Night: Mostly clear, with a low around 48.

Wednesday: Sunny, with a high near 66.

Wednesday Night: A chance of rain. Mostly cloudy, with a low around 51.

Thursday: A chance of rain. Partly sunny, with a high near 66.