Wednesday
Patchy fog
High:
75°F
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 75. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Ontario, CA Weather - Tomorrow’s Forecast
Wednesday Night
Patchy fog
Overnight low:
54°F
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 54. West wind 5 to 15 mph, with gusts as high as 20 mph.