National Weather Service Forecast for: 2 Miles NW Rancho Cucamonga CA
Issued by: National Weather Service San Diego, CA
Updated: 1:04 pm PDT Jun 19, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 54. Southwest wind 10 to 15 mph becoming light south in the evening. Winds could gust as high as 20 mph.
Increasing
Clouds
 Saturday

Saturday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 78. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Patchy Fog
then Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 55. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light west after midnight.
Mostly Clear
 Monday

Monday: Sunny, with a high near 85.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 60.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 92.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 63.
Mostly Clear
Lo 54 °F Hi 78 °F Lo 55 °F Hi 80 °F Lo 56 °F Hi 85 °F Lo 60 °F Hi 92 °F Lo 63 °F

 

Tonight
 
 Increasing clouds, with a low around 54. Southwest wind 10 to 15 mph becoming light south in the evening. Winds could gust as high as 20 mph.
Saturday
 
 Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 78. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
 
 Mostly clear, with a low around 55. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph.
Sunday
 
 Sunny, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
 
 Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light west after midnight.
Monday
 
 Sunny, with a high near 85.
Monday Night
 
 Mostly clear, with a low around 60.
Tuesday
 
 Sunny, with a high near 92.
Tuesday Night
 
 Mostly clear, with a low around 63.
Wednesday
 
 Sunny, with a high near 93.
Wednesday Night
 
 Mostly clear, with a low around 64.
Thursday
 
 Sunny, with a high near 93.
Thursday Night
 
 Clear, with a low around 63.
Friday
 
 Sunny, with a high near 88.

 

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