National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Bar Harbor, Hancock County-Bar Harbor Airport (KBHB)

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Overcast

14°F

-10°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in (1016.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 25 Dec 4:56 am EST
Extended Forecast for

Trenton ME

  • Overnight

    Overnight: A chance of snow. Cloudy, with a low around 7. Calm wind. Chance of precipitation is 30%.

    Low: 7 °F

    Chance Snow

  • Christmas Day

    Christmas Day: Snow, mainly before 10am. High near 30. Light west wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy blowing snow after 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values as low as -9. North wind around 16 mph, with gusts as high as 29 mph.

    Low: 6 °F

    Patchy
    Blowing Snow

  • Friday

    Friday: Sunny, with a high near 16. Wind chill values as low as -11. North wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 16 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. North wind 6 to 8 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 19. North wind around 9 mph.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. Northwest wind around 6 mph.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of snow, mainly after 2am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
A chance of snow. Cloudy, with a low around 7. Calm wind. Chance of precipitation is 30%.
Christmas Day
Snow, mainly before 10am. High near 30. Light west wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Patchy blowing snow after 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values as low as -9. North wind around 16 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 16. Wind chill values as low as -11. North wind 10 to 14 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 4. North wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 19. North wind around 9 mph.
Saturday Night
Mostly clear, with a low around 8. Northwest wind around 6 mph.
Sunday
Sunny, with a high near 31.
Sunday Night
A chance of snow, mainly after 2am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Monday
Snow likely before 9am, then rain. High near 40. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Tuesday
A slight chance of snow. Partly sunny, with a high near 26. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
A slight chance of snow. Partly sunny, with a high near 30. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trenton ME
 44.46°N 68.38°W (Elev. 115 ft)
Last Update:
12:44 am EST Dec 25, 2025
Forecast Valid:
5am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation