National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Impacts from Rachel

Latest information on impacts from Rachel Read More >

Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

NA

65°F

18°C

Humidity 93%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Last update 11 Oct 12:00 PM PDT
Extended Forecast for

4 Miles SSW Rialto CA

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers. Low around 54. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Showers

  • Columbus Day

    Columbus Day: Showers. High near 66. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers. Low around 54. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Showers. High near 66. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 62. Breezy.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 63.
Saturday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Rialto CA
 34.06°N 117.39°W (Elev. 1056 ft)
Last Update:
1:13 pm PDT Oct 11, 2026
Forecast Valid:
1pm PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation