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 >

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

Fair

57°F

14°C

Humidity 87%
Wind Speed W 5 mph
Barometer 30.21 in (1022.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 25 Dec 1:54 am EST
Extended Forecast for

Clemson SC

  • Overnight

    Overnight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 76. Calm wind becoming west 5 to 9 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 51. West wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A 20 percent chance of rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.

    High: 69 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. West southwest wind around 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. Calm wind.
Christmas Day
Mostly sunny, with a high near 76. Calm wind becoming west 5 to 9 mph in the morning.
Thursday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 51. West wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 55. West southwest wind around 6 mph.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 54.
Monday
A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 63.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Clear, with a low around 24.
Wednesday
Sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clemson SC
 34.71°N 82.8°W (Elev. 860 ft)
Last Update:
12:18 am EST Dec 25, 2025
Forecast Valid:
2am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation