Ontario Airport (ONT) Weather 02/08/2025
Overnight
45
Mostly Cloudy
Saturday
66
Mostly Sunny
Saturday Night
46
Partly Cloudy
Sunday
70
Mostly Sunny
Sunday Night
44
Partly Cloudy
Monday
61
Mostly Sunny
Monday Night
43
Partly Cloudy then Slight Chance Showers
Tuesday
58
Slight Chance Showers then Mostly Sunny
Tuesday Night
42
Slight Chance Showers
Wednesday
59
Slight Chance Showers
Wednesday Night
45
Chance Showers
Thursday
57
Showers Likely
Thursday Night
48
Showers Likely
Weekly Forecast
Overnight
Mostly cloudy, with a low around 45. Calm wind.
Saturday
Mostly sunny, with a high near 66. Light west wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 70. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 61.
Monday Night
A slight chance of showers after 4am. Partly cloudy, with a low around 43. Chance of precipitation is 10%.
Tuesday
A slight chance of showers before 10am. Partly sunny, with a high near 58.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 59.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Thursday
Showers likely. Mostly cloudy, with a high near 57.
Thursday Night
Showers likely. Mostly cloudy, with a low around 48.