Hazardous Weather Conditions
Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
45°F
7°C
| Humidity | 81% |
| Wind Speed | SE 1 MPH |
| Barometer | NA |
| Dewpoint | 40°F (4°C) |
| Visibility | NA |
| Last update | 19 Feb 04:00 AM PST |
Extended Forecast for
4 Miles SSW Fontana CA
Wind Advisory February 19, 09:00am until February 20, 02:00am
Overnight

Low: 39 °F
Showers
LikelyThursday

High: 54 °F
Heavy Rain
Thursday Night

Low: 38 °F
Chance Rain
and Patchy
Dense FogFriday
High: 56 °F
Patchy Dense
Fog then
SunnyFriday Night

Low: 40 °F
Mostly Clear
Saturday

High: 66 °F
Sunny
Saturday Night

Low: 47 °F
Partly Cloudy
Sunday

High: 73 °F
Sunny
Sunday Night

Low: 49 °F
Partly Cloudy
Detailed Forecast
Overnight
Showers likely. Cloudy, with a low around 39. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 54. Southeast wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain before 7pm, then scattered showers, mainly between 7pm and 10pm. Patchy dense fog after 4am. Otherwise, partly cloudy, with a low around 38. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 56. Southeast wind around 5 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 40. West wind 5 to 10 mph becoming east after midnight.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 74.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Fontana CA
34.05°N 117.47°W (Elev. 951 ft)
34.05°N 117.47°W (Elev. 951 ft)
3:27 am PST Feb 19, 2026
5am PST Feb 19, 2026-6pm PST Feb 25, 2026



