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

Hazardous Weather Conditions

Current conditions at

San Bernardino Intl. Airport (KSBD)

Lat: 34.09027°NLon: 117.24705°WElev: 1086.0ft.

Clear

93°F

34°C

Humidity 15%
Wind Speed WSW 13 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 07 Aug 06:55 PM PDT
Extended Forecast for

3 Miles SE Rialto CA

Heat Advisory August 7, 07:25pm until August 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 7, 07:25pm until August 9, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 70 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 101. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 101 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 101. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 101 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Southwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 98.

    High: 98 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 95.

    High: 95 °F

    Partly Sunny

Detailed Forecast

Tonight
Clear, with a low around 70. Southwest wind 5 to 10 mph becoming light in the evening.
Saturday
Sunny, with a high near 101. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 101. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 71. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 98.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Partly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Rialto CA
 34.09°N 117.34°W (Elev. 1175 ft)
Last Update:
1:10 pm PDT Aug 7, 2026
Forecast Valid:
7pm PDT Aug 7, 2026-6pm PDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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