Weather forecast for: 2 Miles W Rancho Cucamonga CA
Last Update: 11:44 am PDT Oct 20, 2026
This Afternoon: Sunny, with a high near 81. Southwest wind 5 to 10 mph.
Tonight: Mostly clear, with a low around 60. West wind around 5 mph becoming calm after midnight.
Wednesday: A chance of showers after 11am. Increasing clouds, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night: Showers likely, then showers and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rainfall. Low around 61. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday: Showers and possibly a thunderstorm. High near 66. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday: Mostly sunny, with a high near 71.
Friday Night: Clear, with a low around 54.
Saturday: Sunny, with a high near 76.
Saturday Night: Clear, with a low around 56.
Sunday: Sunny, with a high near 77.
Sunday Night: Partly cloudy, with a low around 57.
Monday: Sunny, with a high near 79.