


Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
70°F
21°C
Humidity | 74% |
Wind Speed | SSW 1 MPH |
Barometer | NA |
Dewpoint | 61°F (16°C) |
Visibility | NA |
Last update | 18 Jul 09:00 AM PDT |
Extended Forecast for
Rancho Cucamonga CA
Today
High: 87 °F
Slight Chance
T-stormsTonight
Low: 62 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 61 °F
Mostly Clear
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 61 °F
Mostly Clear
Monday
High: 86 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Detailed Forecast
Today
A slight chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 87. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 88. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 61. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 89.
Additional Forecasts and Information
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ABOUT 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)
8:27 am PDT Jul 18, 2025
10am PDT Jul 18, 2025-6pm PDT Jul 24, 2025