National Weather Service Forecast for: Rancho Cucamonga CA
Issued by: National Weather Service San Diego, CA
Updated: 2:52 am PST Dec 23, 2024
 
Today

Today: Sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny

 Tonight

Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm.
Partly Cloudy
then Patchy
Fog
 Tuesday

Tuesday: A chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers and
Patchy Fog
 Tuesday
Night
Tuesday Night: A chance of showers before 10pm. Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Partly Cloudy
 Christmas
Day
Christmas Day: Sunny, with a high near 63. Northwest wind 5 to 10 mph.
Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 45.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 65.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 46.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 66.
Mostly Sunny
Hi 72 °F Lo 51 °F Hi 64 °F Lo 44 °F Hi 63 °F Lo 45 °F Hi 65 °F Lo 46 °F Hi 66 °F

Air Quality Alert
 

Today
 
 Sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
 
 Patchy fog after 4am. Otherwise, partly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm.
Tuesday
 
 A chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 A chance of showers before 10pm. Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
 
 Sunny, with a high near 63. Northwest wind 5 to 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 45.
Thursday
 
 Mostly sunny, with a high near 65.
Thursday Night
 
 Partly cloudy, with a low around 46.
Friday
 
 Mostly sunny, with a high near 66.
Friday Night
 
 Partly cloudy, with a low around 48.
Saturday
 
 Mostly sunny, with a high near 71.
Saturday Night
 
 Partly cloudy, with a low around 49.
Sunday
 
 Mostly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Rancho Cucamonga CA.