Hazardous Weather Conditions
Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
90°F
32°C
| Humidity | 36% |
| Wind Speed | SSE 2 MPH |
| Barometer | NA |
| Dewpoint | 60°F (16°C) |
| Visibility | NA |
| Heat Index | 89°F (32°C) |
| Last update | 11 Sep 11:00 AM PDT |
Extended Forecast for
4 Miles E Ontario International Arpt CA
Heat Advisory September 11, 01:57pm until September 11, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
This Afternoon
High: 95 °F
Sunny
Tonight
Low: 70 °F
Clear
Saturday
High: 95 °F
Sunny
Saturday Night
Low: 68 °F
Clear
Sunday
High: 91 °F
Sunny
Sunday Night
Low: 65 °F
Clear
Monday
High: 89 °F
Sunny
Monday Night
Low: 63 °F
Mostly Clear
Detailed Forecast
This Afternoon
Sunny, with a high near 95. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 70. Southwest wind 5 to 10 mph becoming light after midnight.
Saturday
Sunny, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 68. Southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Clear, with a low around 65.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles E Ontario International Arpt CA
34.06°N 117.53°W (Elev. 981 ft)
34.06°N 117.53°W (Elev. 981 ft)
11:51 am PDT Sep 11, 2026
1pm PDT Sep 11, 2026-6pm PDT Sep 17, 2026
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