Ontario Airport (ONT) Weather 04/15/2025
Tonight
52
Patchy Drizzle and Patchy Fog
Tuesday
73
Patchy Drizzle and Patchy Fog then Mostly Sunny
Tuesday Night
51
Patchy Drizzle and Patchy Fog
Wednesday
68
Patchy Drizzle and Patchy Fog then Partly Sunny
Wednesday Night
52
Patchy Drizzle and Patchy Fog
Thursday
64
Patchy Drizzle and Patchy Fog then Mostly Cloudy
Thursday Night
52
Slight Chance Showers
Friday
67
Chance Showers
Friday Night
50
Slight Chance Showers then Partly Cloudy
Saturday
74
Sunny
Saturday Night
52
Mostly Clear
Sunday
75
Sunny
Sunday Night
52
Mostly Clear
Weekly Forecast
Tonight
Patchy drizzle and fog after 11pm. Partly cloudy, with a low around 52. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Patchy drizzle and fog before 11am. Partly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Patchy drizzle and fog after 11pm. Increasing clouds, with a low around 51. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Patchy drizzle and fog before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 68. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Patchy drizzle and fog after 11pm. Mostly cloudy, with a low around 52. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Patchy drizzle and fog before 11am. Mostly cloudy, with a high near 64.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 11am. Partly sunny, with a high near 67.
Friday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 52.