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Calimesa, California Weather Forecast
Calimesa, California Weather
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Weather Forecast for Calimesa, California : Riverside County
Issued: 2:24 am PST Dec 18, 2025 Latitude: 34.0039039 Longitude: -117.0619755 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Sunny on Today Mostly Clear on Tonight Sunny on Friday Mostly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday 20% chance of rain on Tuesday Rain on Wednesday
High: 80°F Low: 57°F High: 77°F High: 73°F High: 72°F High: 73°F High: 67°F High: 62°F
Low: 54°F Low: 54°F Low: 54°F Low: 52°F Low: 52°F  
Sunny Mostly Clear Sunny Mostly Sunny Partly Sunny Partly Sunny Rain Rain
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Current Conditions at
MARCH AFB - (KRIV)
46°
Clear
as of 4:55 AM PST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
52°
Clear
as of 4:53 AM PST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 9 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
52°
Partly Cloudy
Haze
as of 4:53 AM PST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 6 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 30000ft
Current Conditions at
CHINO - (KCNO)
46°
Clear
Mist
as of 5:05 AM PST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 3 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
5 MPH
080° East
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 80. North wind around 5 mph becoming calm in the afternoon.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 57. North wind 5 to 10 mph.
Sunny on Friday Friday... Sunny, with a high near 77. East wind around 5 mph becoming west in the afternoon.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 54. East wind around 5 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 73. North wind around 5 mph becoming southwest in the afternoon.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 54.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 72.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 54.
Partly Sunny on Monday Monday... Partly sunny, with a high near 73.
10% chance of rain Monday Night Monday Night... A slight chance of showers after 4am. Mostly cloudy, with a low around 52.
20% chance of rain Tuesday Tuesday... A chance of rain. Partly sunny, with a high near 67.
70% chance of rain Tuesday Night Tuesday Night... Rain likely. Mostly cloudy, with a low around 52.
Rain on Wednesday Wednesday... Rain. The rain could be heavy at times. Mostly cloudy, with a high near 62.
Current Radar Image


Sun Almanac for Calimesa, California
Sunrise: 06:48 AM
Sunset: 4:42 PM
Civil Sunrise:06:21 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:19 AM
Astro Sunset: 6:11 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.