Harlem Springs, California Weather
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Weather Forecast for Harlem Springs, California : San Bernardino County
Issued: 1:26 am PDT Aug 16, 2025 Latitude: 34.1214001 Longitude: -117.2261519 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today Patchy Fog on Tonight Morning Fog on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Sunny on Friday
High: 89°F Low: 62°F High: 91°F High: 95°F High: 96°F High: 99°F High: 103°F High: 103°F
Low: 61°F Low: 64°F Low: 67°F Low: 71°F Low: 73°F  
Sunny Patchy Fog Morning Fog Sunny Sunny Sunny Sunny Sunny
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Current Conditions at
MARCH AFB - (KRIV)
72°
Clear
as of 10:55 AM PDST
Rel. Humidity: 64%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
72°
Partly Cloudy
as of 11:00 AM PDST
Rel. Humidity: 64%
Dew Point: 59°F
Visibility: 8 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Scattered at 1800ft
Current Conditions at
ONTARIO - (KONT)
72°
Partly Cloudy
as of 11:14 AM PDST
Rel. Humidity: 64%
Dew Point: 59°F
Visibility: 7 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
6 MPH
Cloud Level(s): Scattered at 1900ft
Current Conditions at
CHINO - (KCNO)
72°
Cloudy
Haze
as of 10:53 AM PDST
Rel. Humidity: 68%
Dew Point: 61°F
Visibility: 6 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
3 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 1900ft
Sunny on Today Today... Sunny, with a high near 89. Southwest wind 5 to 10 mph.
Patchy Fog on Tonight Tonight... Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 62. Southwest wind 5 to 10 mph becoming light in the evening.
Morning Fog on Sunday Sunday... Patchy fog before 8am. Otherwise, sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.
Sunny on Monday Monday... Sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
Clear on Monday Night Monday Night... Clear, with a low around 64.
Sunny on Tuesday Tuesday... Sunny, with a high near 96.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 67.
Sunny on Wednesday Wednesday... Sunny, with a high near 99.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 71.
Sunny on Thursday Thursday... Sunny, with a high near 103.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 73.
Sunny on Friday Friday... Sunny, with a high near 103.
Current Radar Image


Sun Almanac for Harlem Springs, California
Sunrise: 06:12 AM
Sunset: 7:35 PM
Civil Sunrise:05:45 AM
Civil Sunset: 8:01 PM
Nautical Sunrise: 05:14 AM
Nautical Sunset: 8:33 PM
Astro Sunrise: 04:41 AM
Astro Sunset: 9:05 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.