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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Beaufort, Marine Corps Air Station (KNBC)

Lat: 32.49°NLon: 80.7°WElev: 36ft.

Fair

78°F

26°C

Humidity 93%
Wind Speed S 5 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Jun 12:56 am EDT
Extended Forecast for

Port Royal SC

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 76. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 76 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 90. Heat index values as high as 102. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely and
    Breezy then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms, mainly between midnight and 2am. Partly cloudy, with a low around 75. West wind 6 to 8 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Northwest wind around 6 mph becoming east in the afternoon.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Light south wind.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 76. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Juneteenth
Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 90. Heat index values as high as 102. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers and thunderstorms, mainly between midnight and 2am. Partly cloudy, with a low around 75. West wind 6 to 8 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Northwest wind around 6 mph becoming east in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Light south wind.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 76.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Royal SC
 32.38°N 80.71°W (Elev. 3 ft)
Last Update:
8:32 pm EDT Jun 18, 2026
Forecast Valid:
1am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
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