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Union Hill, California Weather Forecast
Union Hill, California Weather
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Weather Forecast for Union Hill, California : Nevada County
Issued: 1:21 am PST Dec 18, 2025 Latitude: 39.20545 Longitude: -121.0385594 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Sunny on This Afternoon 60% chance of rain on Tonight 100% chance of rain on Friday 90% chance of rain on Saturday 100% chance of rain on Sunday Rain on Monday Thunderstorms on Tuesday Rain on Wednesday
High: 53 °F Low: 45°F High: 50°F High: 54°F High: 52°F High: 51°F High: 51°F High: 51°F
Low: 47°F Low: 49°F Low: 47°F Low: 45°F Low: 44°F  
Mostly Sunny Rain Rain Rain Rain Rain Thunderstorms Rain
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Current Conditions at
AUBURN - (KAUN)
52°
Cloudy
as of 11:35 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: IFR
Wind Data
6 MPH
200° South
Cloud Level(s): Broken at 800ft, Solid Overcast at 1200ft
Current Conditions at
BEALE AFB - (KBAB)
54°
Cloudy
Mist
as of 11:35 AM PST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 1 Miles
Pressure: 30.17 in.
Flight Rule: LIFR
Wind Data
6 MPH
180° South
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
MARYSVILLE - (KMYV)
54°
Cloudy
Mist
as of 11:22 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 6 Miles
Pressure: 30.18 in.
Flight Rule: IFR
Wind Data
6 MPH
150° Southeast
Cloud Level(s): Broken at 500ft, Solid Overcast at 1800ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a temperature falling to around 53 by 5pm. Light south wind.

60% chance of rain Tonight Tonight... Showers likely, mainly after 4am. Areas of fog before 8pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

100% chance of rain Friday Friday... Showers. High near 50. South southeast wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

100% chance of rain Friday Night Friday Night... Showers. Low around 47. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

90% chance of rain Saturday Saturday... Showers. High near 54. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 90%.

100% chance of rain Saturday Night Saturday Night... Showers. The rain could be heavy at times. Low around 49. Chance of precipitation is 100%.

100% chance of rain Sunday Sunday... Showers. The rain could be heavy at times. High near 52. Chance of precipitation is 100%.

Thunderstorms on Sunday Night Sunday Night... Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 47.

Rain on Monday Monday... Showers. Cloudy, with a high near 51.

Rain on Monday Night Monday Night... Showers. Mostly cloudy, with a low around 45.

Thunderstorms on Tuesday Tuesday... Showers and possibly a thunderstorm. Mostly cloudy, with a high near 51.

Rain on Tuesday Night Tuesday Night... Showers. Cloudy, with a low around 44.

Rain on Wednesday Wednesday... Showers. Mostly cloudy, with a high near 51.

Current Radar Image


Sun Almanac for Union Hill, California
Sunrise: 07:19 AM
Sunset: 4:43 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:20 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.