Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
65°F
18°C
| Humidity | 84% |
| Wind Speed | SSW 1 MPH |
| Barometer | NA |
| Dewpoint | 60°F (16°C) |
| Visibility | NA |
| Last update | 15 Jul 08:00 AM PDT |
Extended Forecast for
Rancho Cucamonga CA
Today
High: 86 °F
Sunny
Tonight
Low: 59 °F
Mostly Clear
then Patchy
FogWednesday
High: 85 °F
Patchy Fog
then SunnyWednesday Night
Low: 60 °F
Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 62 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 90 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 59. West wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 20 mph.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 85. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 60. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 90.
Saturday Night
Clear, with a low around 63.
Sunday
Sunny, with a high near 90.
Sunday Night
Clear, with a low around 63.
Monday
Sunny, with a high near 90.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Rancho Cucamonga CA
34.13°N 117.57°W (Elev. 1362 ft)
34.13°N 117.57°W (Elev. 1362 ft)
3:47 am PDT Jul 15, 2025
9am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
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