Ontario, CA Weather - Tomorrow’s Forecast

Sunday

Showers likely

High:
82°F

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Chance of showers

Overnight low:
68°F

A chance of showers before 11pm. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.