Rancho Cucamonga Weather
From the NNW at 5 mph
30.21 in (1023 HPa)
Observed at: Ontario Airport, 5:53 am PST.
Rancho Cucamonga Weather Forecast for Today
Mostly sunny, with a high near 61. West wind around 5 mph becoming calm.
Partly cloudy, with a low around 43. West wind around 5 mph becoming calm.