Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
81°F
27°C
| Humidity | 14% |
| Wind Speed | N 0 MPH |
| Barometer | 30.18 in (1022.01 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 30 Jan 12:35 PM PST |
Extended Forecast for
Ontario CA
This Afternoon
High: 82 °F
Sunny
Tonight
Low: 53 °F
Clear
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 54 °F
Clear
Sunday
High: 81 °F
Sunny
Sunday Night
Low: 52 °F
Partly Cloudy
then Patchy
FogMonday
High: 75 °F
Patchy Fog
then Mostly
SunnyMonday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 82. West wind around 5 mph becoming calm.
Tonight
Clear, with a low around 53. Northeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 83. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 54. Calm wind.
Sunday
Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 52.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.03°N 117.61°W (Elev. 823 ft)
34.03°N 117.61°W (Elev. 823 ft)
11:20 am PST Jan 30, 2026
12pm PST Jan 30, 2026-6pm PST Feb 5, 2026
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