National Weather Service Forecast for: 2 Miles NW Rancho Cucamonga CA
Issued by: National Weather Service San Diego, CA
Updated: 11:14 am PDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 97. Southwest wind around 5 mph.
Sunny
 Tonight

Tonight: Clear, with a low around 72. West wind around 5 mph becoming calm in the evening.
Clear
 Friday

Friday: Sunny, with a high near 96. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 68. West wind 5 to 10 mph becoming light south in the evening.
Clear
 Saturday

Saturday: Mostly sunny, with a high near 89. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 65.
Mostly Cloudy
 Sunday

Sunday: Mostly sunny, with a high near 88.
Mostly Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 65.
Mostly Clear
 Monday

Monday: Sunny, with a high near 90.
Sunny
Hi 97 °F Lo 72 °F Hi 96 °F Lo 68 °F Hi 89 °F Lo 65 °F Hi 88 °F Lo 65 °F Hi 90 °F

Heat Advisory
 

This Afternoon
 
 Sunny, with a high near 97. Southwest wind around 5 mph.
Tonight
 
 Clear, with a low around 72. West wind around 5 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 96. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
 
 Clear, with a low around 68. West wind 5 to 10 mph becoming light south in the evening.
Saturday
 
 Mostly sunny, with a high near 89. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
 
 Mostly cloudy, with a low around 65.
Sunday
 
 Mostly sunny, with a high near 88.
Sunday Night
 
 Mostly clear, with a low around 65.
Monday
 
 Sunny, with a high near 90.
Monday Night
 
 Mostly clear, with a low around 65.
Tuesday
 
 Sunny, with a high near 91.
Tuesday Night
 
 Mostly clear, with a low around 65.
Wednesday
 
 Sunny, with a high near 90.

 

Forecast from NOAA-NWS for 2 Miles NW Rancho Cucamonga CA.