Thursday
Sunny
High:
94°F
Sunny, with a high near 94. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Ontario, CA Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
62°F
Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny
High:
95°F
Mostly sunny, with a high near 95.
Friday Night
Partly cloudy
Overnight low:
61°F
Partly cloudy, with a low around 61.
Saturday
Sunny
High:
91°F
Saturday Night
Clear
Overnight low:
59°F
Sunday
Sunny
High:
94°F
Sunday Night
Mostly clear
Overnight low:
61°F
Monday
Sunny
High:
97°F
Monday Night
Mostly clear
Overnight low:
63°F
Tuesday
Sunny
High:
98°F