National Weather Service Forecast for: 3 Miles SE Rancho Cucamonga CA
Issued by: National Weather Service San Diego, CA
Updated: 2:10 am PDT May 31, 2025
 
Today

Today: Mostly sunny, with a high near 93. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny
 Tonight

Tonight: A slight chance of showers after 11pm. Mostly cloudy, with a low around 67. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Slight Chance
Showers
 Sunday

Sunday: A slight chance of showers. Mostly cloudy, with a high near 84. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Slight Chance
Showers
 Sunday
Night
Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Decreasing
Clouds
 Monday

Monday: Sunny, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 58.
Mostly Clear
 Tuesday

Tuesday: Mostly sunny, with a high near 80.
Mostly Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 57.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 81.
Sunny
Hi 93 °F Lo 67 °F Hi 84 °F Lo 61 °F Hi 81 °F Lo 58 °F Hi 80 °F Lo 57 °F Hi 81 °F

 

Today
 
 Mostly sunny, with a high near 93. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
 
 A slight chance of showers after 11pm. Mostly cloudy, with a low around 67. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday
 
 A slight chance of showers. Mostly cloudy, with a high near 84. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
 
 Sunny, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
 
 Mostly clear, with a low around 58.
Tuesday
 
 Mostly sunny, with a high near 80.
Tuesday Night
 
 Mostly clear, with a low around 57.
Wednesday
 
 Sunny, with a high near 81.
Wednesday Night
 
 Mostly clear, with a low around 59.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Mostly clear, with a low around 60.
Friday
 
 Sunny, with a high near 88.

 

Forecast from NOAA-NWS for 3 Miles SE Rancho Cucamonga CA.