May, California Weather
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Weather Forecast for May, California : Riverside County
Issued: 2:03 am PDT Oct 18, 2025 Latitude: 33.8950156 Longitude: -117.490881 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on This Afternoon Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Sunny on Thursday Sunny on Friday
High: 86°F Low: 55°F High: 85°F High: 85°F High: 80°F High: 72°F High: 79°F High: 81°F
Low: 55°F Low: 55°F Low: 54°F Low: 52°F Low: 55°F  
Sunny Mostly Clear Sunny Sunny Sunny Mostly Sunny Sunny Sunny
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Current Conditions at
RIVERSIDE - (KRAL)
82°
Clear
as of 11:53 AM PDST
Rel. Humidity: 18%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHINO - (KCNO)
82°
Clear
as of 11:53 AM PDST
Rel. Humidity: 21%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MARCH AFB - (KRIV)
81°
Clear
as of 11:55 AM PDST
Rel. Humidity: 14%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
79°
Clear
as of 11:53 AM PDST
Rel. Humidity: 22%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
5 MPH
250° West
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 86. North wind around 5 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 55. Calm wind becoming southeast around 5 mph.
Sunny on Sunday Sunday... Sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Sunny on Monday Monday... Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 55.
Sunny on Tuesday Tuesday... Sunny, with a high near 80.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 54.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 72.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 52.
Sunny on Thursday Thursday... Sunny, with a high near 79.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 55.
Sunny on Friday Friday... Sunny, with a high near 81.
Current Radar Image


Sun Almanac for May, California
Sunrise: 06:58 AM
Sunset: 6:12 PM
Civil Sunrise:06:33 AM
Civil Sunset: 6:37 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 7:06 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 7:35 PM
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