


Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.Mist
61°F
16°C
Humidity | 87% |
Wind Speed | W 3 MPH |
Barometer | 29.87 in (1011.51 mb) |
Dewpoint | 57°F (14°C) |
Visibility | 5.00 mi |
Last update | 14 Jun 03:20 AM PDT |
Extended Forecast for
Ontario International Arpt CA
Overnight
Low: 61 °F
Patchy Fog
Saturday
High: 90 °F
Patchy Fog
then Mostly
SunnySaturday Night
Low: 64 °F
Mostly Clear
Sunday
High: 94 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 92 °F
Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 65 °F
Mostly Clear
Detailed Forecast
Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 61. West wind around 5 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 94. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 66. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 64.
Juneteenth
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 89.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ontario International Arpt CA
34.05°N 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
1:35 am PDT Jun 14, 2025
3am PDT Jun 14, 2025-6pm PDT Jun 20, 2025