Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
61°F
16°C
| Humidity | 75% |
| Wind Speed | SSW 0 MPH |
| Barometer | NA |
| Dewpoint | 53°F (12°C) |
| Visibility | NA |
| Last update | 10 Feb 05:00 PM PST |
Extended Forecast for
Fontana CA
Tonight

Low: 53 °F
Showers
LikelyWednesday
High: 61 °F
Showers
Likely then
Chance
ShowersWednesday Night

Low: 48 °F
Mostly Cloudy
Thursday

High: 65 °F
Mostly Sunny
Thursday Night

Low: 49 °F
Mostly Cloudy
Friday

High: 70 °F
Becoming
SunnyFriday Night

Low: 48 °F
Clear
Saturday

High: 69 °F
Sunny
Saturday Night

Low: 49 °F
Partly Cloudy
Detailed Forecast
Tonight
A slight chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 10am. Cloudy, with a high near 61. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 48. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 49. Northwest wind 5 to 15 mph becoming north in the evening. Winds could gust as high as 20 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 70.
Friday Night
Clear, with a low around 48.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A chance of showers after 10am. Partly sunny, with a high near 64.
Sunday Night
Showers likely. The rain could be heavy at times. Cloudy, with a low around 49.
Washington's Birthday
Showers. The rain could be heavy at times. Cloudy, with a high near 57.
Monday Night
Showers. Cloudy, with a low around 47.
Tuesday
Showers. Cloudy, with a high near 57.
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)
1:04 pm PST Feb 10, 2026
6pm PST Feb 10, 2026-6pm PST Feb 17, 2026


