


Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
68°F
20°C
Humidity | 77% |
Wind Speed | SW 3 MPH |
Barometer | NA |
Dewpoint | 61°F (16°C) |
Visibility | NA |
Last update | 14 Jul 01:00 AM PDT |
Extended Forecast for
Fontana CA
Overnight
Low: 63 °F
Patchy Fog
Monday
High: 92 °F
Patchy Fog
then SunnyMonday Night
Low: 62 °F
Mostly Clear
Tuesday
High: 87 °F
Patchy Fog
then SunnyTuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 60 °F
Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 62 °F
Partly Cloudy
Detailed Forecast
Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 92. Light southwest wind increasing to 10 to 15 mph in the afternoon.
Monday Night
Mostly clear, with a low around 62. Southwest wind 5 to 10 mph becoming light after midnight.
Tuesday
Patchy fog before 11am. Otherwise, sunny, with a high near 87. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 60. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fontana CA
34.1°N 117.43°W (Elev. 1296 ft)
34.1°N 117.43°W (Elev. 1296 ft)
2:07 am PDT Jul 14, 2025
2am PDT Jul 14, 2025-6pm PDT Jul 20, 2025