Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Overcast
66°F
19°C
| Humidity | 88% |
| Wind Speed | SW 6 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 7.00 mi |
| Last update | 15 Sep 07:05 AM PDT |
Extended Forecast for
Rancho Cucamonga CA
Today
High: 84 °F
Patchy Fog
then SunnyTonight
Low: 60 °F
Patchy Fog
Wednesday
High: 82 °F
Patchy Fog
then SunnyWednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 60 °F
Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 62 °F
Clear
Saturday
High: 88 °F
Sunny
Detailed Forecast
Today
Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 60. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. Southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 62.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Rancho Cucamonga CA
34.12°N 117.6°W (Elev. 1368 ft)
34.12°N 117.6°W (Elev. 1368 ft)
2:30 am PDT Sep 15, 2026
7am PDT Sep 15, 2026-6pm PDT Sep 21, 2026
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