Saturday
Partly sunny
High:
67°F
Partly sunny, with a high near 67. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Ontario, CA Weather - Tomorrow’s Forecast
Saturday Night
Patchy drizzle
Overnight low:
48°F
Patchy drizzle after 11pm. Mostly cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.