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Riverdale, California Weather Forecast
Riverdale, California Weather
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Weather Forecast for Riverdale, California : Mendocino County
Issued: 1:10 am PST Dec 18, 2025 Latitude: 39.8876508 Longitude: -123.7475225 View on Google Maps

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Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
70% chance of rain on Today 100% chance of rain on Tonight 100% chance of rain on Friday 60% chance of rain on Saturday 100% chance of rain on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 56°F Low: 48°F High: 56°F High: 53°F High: 56°F High: 53°F High: 52°F High: 54°F
Low: 41°F Low: 45°F Low: 43°F Low: 38°F Low: 39°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
UKIAH - (KUKI)
48°
Cloudy
as of 10:56 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 3900ft, Solid Overcast at 4800ft
Current Conditions at
ARCATA - (KACV)
55°
Cloudy
Light Rain Mist
as of 11:36 AM PST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 1 3/4 Miles
Pressure: 30.09 in.
Flight Rule: IFR
Wind Data
9 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
RED BLUFF - (KRBL)
54°
Cloudy
Mist
as of 11:42 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 1 3/4 Miles
Pressure: 30.16 in.
Flight Rule: IFR
Wind Data
6 MPH
160° South
Cloud Level(s): Broken at 600ft, Solid Overcast at 1300ft
Current Conditions at
REDDING - (KRDD)
52°
Cloudy
Mist
as of 11:19 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 2 Miles
Pressure: 30.15 in.
Flight Rule: LIFR
Wind Data
5 MPH
160° South
Cloud Level(s): Solid Overcast at 300ft
70% chance of rain Today Today... Rain likely. Cloudy, with a high near 56. South southeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Tonight Tonight... Rain, mainly after 1am. The rain could be heavy at times. Low around 48. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
100% chance of rain Friday Friday... Rain. The rain could be heavy at times. High near 56. South southwest wind 9 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
60% chance of rain Friday Night Friday Night... Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
60% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Mostly cloudy, with a high near 53. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of rain Saturday Night Saturday Night... Rain. The rain could be heavy at times. Low around 45. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
100% chance of rain Sunday Sunday... Rain. The rain could be heavy at times. High near 56. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Rain on Sunday Night Sunday Night... Rain. Mostly cloudy, with a low around 43.
70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 53.
70% chance of rain Monday Night Monday Night... Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38.
70% chance of rain Tuesday Tuesday... Rain likely. Mostly cloudy, with a high near 52.
70% chance of rain Tuesday Night Tuesday Night... Rain likely. Mostly cloudy, with a low around 39.
70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 54.
Current Radar Image


Sun Almanac for Riverdale, California
Sunrise: 07:32 AM
Sunset: 4:52 PM
Civil Sunrise:07:01 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:27 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:54 AM
Astro Sunset: 6:30 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.