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Rheem, California Weather Forecast
Rheem, California Weather
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Weather Forecast for Rheem, California : Contra Costa County
Issued: 2:08 am PST Dec 18, 2025 Latitude: 37.9757564 Longitude: -122.3544155 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Partly Sunny on Today 40% chance of rain on Tonight 90% chance of rain on Friday 70% chance of rain on Saturday 100% chance of rain on Sunday Rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 56°F Low: 51°F High: 56°F High: 55°F High: 58°F High: 55°F High: 52°F High: 53°F
Low: 52°F Low: 53°F Low: 53°F Low: 48°F Low: 49°F  
Partly Sunny Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
CONCORD - (KCCR)
55°
Cloudy
as of 10:53 AM PST
Rel. Humidity: 82%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1400ft
Current Conditions at
NAPA - (KAPC)
54°
Cloudy
as of 10:54 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: IFR
Wind Data
3 MPH
320° Northwest
Cloud Level(s): Broken at 700ft, Solid Overcast at 1100ft
Current Conditions at
OAKLAND - (KOAK)
54°
Cloudy
as of 10:53 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 9 Miles
Pressure: 30.20 in.
Flight Rule: IFR
Wind Data
5 MPH
200° South
Cloud Level(s): Broken at 900ft, Solid Overcast at 1300ft
Current Conditions at
HAYWARD - (KHWD)
54°
Cloudy
Mist
as of 11:12 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 6 Miles
Pressure: 30.19 in.
Flight Rule: IFR
Wind Data
5 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 900ft
Partly Sunny on Today Today... Partly sunny, with a high near 56. Light south wind.

40% chance of rain Tonight Tonight... A 40 percent chance of rain, mainly after 10pm. Cloudy, with a low around 51. South wind 3 to 7 mph.

90% chance of rain Friday Friday... Rain, mainly after 10am. High near 56. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of rain Friday Night Friday Night... Rain, mainly before 4am. Low around 52. Southwest wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Cloudy, with a high near 55. South wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of rain Saturday Night Saturday Night... Rain. Low around 53. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

100% chance of rain Sunday Sunday... Rain. High near 58. Chance of precipitation is 100%.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 53.

Rain on Monday Monday... Rain. Cloudy, with a high near 55.

70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 48.

70% chance of rain Tuesday Tuesday... Rain likely. Cloudy, with a high near 52.

Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 49.

70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 53.

Current Radar Image


Sun Almanac for Rheem, California
Sunrise: 07:20 AM
Sunset: 4:52 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:27 PM
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