Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Mostly Cloudy
82°F
28°C
| Humidity | 56% |
| Wind Speed | SSE 5 MPH |
| Barometer | 29.94 in (1013.89 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 26 Jul 08:53 AM PDT |
Extended Forecast for
2 Miles SSW Rancho Cucamonga CA
Extreme Heat Warning July 26, 09:08am until July 27, 08:00pm
NOW until 8:00pm Mon
Extreme Heat Warning
Today
High: 96 °F
Slight Chance
Showers then
Mostly SunnyTonight

Low: 70 °F
Partly Cloudy
Monday

High: 97 °F
Sunny
Monday Night

Low: 69 °F
Mostly Clear
Tuesday

High: 97 °F
Sunny
Tuesday Night

Low: 68 °F
Mostly Clear
Wednesday

High: 96 °F
Sunny
Wednesday Night

Low: 68 °F
Mostly Clear
Detailed Forecast
Today
A slight chance of showers before 11am. Mostly sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 70. West wind 5 to 10 mph becoming light southwest after midnight.
Monday
Sunny, with a high near 97. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 69. Southwest wind 5 to 10 mph becoming light in the evening.
Tuesday
Sunny, with a high near 97. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 100.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 101.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SSW Rancho Cucamonga CA
34.1°N 117.59°W (Elev. 1224 ft)
34.1°N 117.59°W (Elev. 1224 ft)
5:25 am PDT Jul 26, 2026
9am PDT Jul 26, 2026-6pm PDT Aug 1, 2026



