Saturday
Sunny
High:
70°F
Sunny, with a high near 70. Calm wind becoming west around 5 mph.
Ontario, CA Weather - Tomorrow’s Forecast
Saturday Night
Clear
Overnight low:
48°F
Clear, with a low around 48. Calm wind.
Sunny
High:
70°F
Sunny, with a high near 70. Calm wind becoming west around 5 mph.
Clear
Overnight low:
48°F
Clear, with a low around 48. Calm wind.