Weather forecast for: 2 Miles W Rancho Cucamonga CA
Last Update: 12:45 am PDT Oct 22, 2026
Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 59. West wind 5 to 10 mph becoming south. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 64. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 54. West wind 5 to 10 mph becoming light and variable. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday: Mostly sunny, with a high near 67. North wind around 5 mph becoming calm.
Friday Night: Mostly clear, with a low around 53. Calm wind becoming northeast around 5 mph after midnight.
Saturday: Sunny, with a high near 75.
Saturday Night: Clear, with a low around 56.
Sunday: Sunny, with a high near 79.
Sunday Night: Mostly clear, with a low around 58.
Monday: Sunny, with a high near 79.
Monday Night: Mostly clear, with a low around 58.
Tuesday: Sunny, with a high near 78.
Tuesday Night: Mostly clear, with a low around 58.
Wednesday: Mostly sunny, with a high near 78.