Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
95°F
35°C
| Humidity | 20% |
| Wind Speed | W 7 MPH |
| Barometer | NA |
| Dewpoint | 49°F (9°C) |
| Visibility | NA |
| Heat Index | 91°F (33°C) |
| Last update | 20 Mar 06:00 PM PDT |
Extended Forecast for
Fontana CA
Tonight
Low: 67 °F
Mostly Clear
Saturday
High: 91 °F
Mostly Sunny
Saturday Night
Low: 65 °F
Partly Cloudy
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 91 °F
Sunny
Monday Night
Low: 64 °F
Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 66 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 91. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 65. Southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 89. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 91.
Monday Night
Clear, with a low around 64.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Clear, with a low around 66.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 93.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 93.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Fontana CA
34.12°N 117.46°W (Elev. 1381 ft)
34.12°N 117.46°W (Elev. 1381 ft)
11:33 am PDT Mar 20, 2026
10pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
