Cape Romain, SC Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Aug 22 		Thunderstorms Early
Close Hourly 		-º / 75º 93% WSW 12 mph 88%
6pm Heavy Thunderstorms 82º 85% SW 12 mph 78%
7pm Scattered Thunderstorms 82º 59% SW 8 mph 82%
8pm Thunderstorms 82º 93% WSW 8 mph 83%
9pm Thunderstorms 79º 83% W 6 mph 92%
10pm Cloudy 79º 23% WSW 6 mph 90%
11pm Cloudy 80º 24% SW 8 mph 91%
Sun
Aug 23 		Partly Cloudy
View Hourly 		88º / 78º 24% SW 12 mph 80%
12am Mostly Cloudy 79º 24% SW 11 mph 92%
1am Partly Cloudy 79º 13% WSW 10 mph 91%
2am Mostly Clear 79º 13% SW 10 mph 91%
3am Partly Cloudy 78º 19% WSW 10 mph 90%
4am Partly Cloudy 78º 17% WSW 8 mph 89%
5am Clear 78º 14% WSW 8 mph 89%
6am Clear 77º 13% WSW 7 mph 90%
7am Sunny 76º 9% WSW 7 mph 93%
8am Sunny 78º 8% W 7 mph 91%
9am Mostly Sunny 80º 8% W 8 mph 87%
10am Partly Cloudy 82º 6% W 8 mph 82%
11am Partly Cloudy 84º 5% W 7 mph 78%
12pm Partly Cloudy 86º 4% WSW 7 mph 75%
1pm Partly Cloudy 87º 13% SSW 8 mph 72%
2pm Partly Cloudy 87º 15% SSW 9 mph 73%
3pm Partly Cloudy 87º 15% SSW 11 mph 73%
4pm Partly Cloudy 86º 15% SSW 12 mph 76%
5pm Partly Cloudy 86º 24% SSW 12 mph 77%
6pm Scattered Thunderstorms 85º 36% SSW 11 mph 78%
7pm Isolated Thunderstorms 83º 33% SSW 9 mph 83%
8pm Partly Cloudy 82º 18% SSW 8 mph 85%
9pm Partly Cloudy 81º 18% SSW 7 mph 89%
10pm Mostly Cloudy 81º 15% SSW 6 mph 90%
11pm Partly Cloudy 80º 8% SSW 6 mph 91%
Mon
Aug 24 		PM Thunderstorms
View Hourly 		88º / 76º 39% SSW 11 mph 81%
12am Mostly Clear 80º 10% SSW 6 mph 90%
1am Partly Cloudy 80º 13% SSW 5 mph 91%
2am Mostly Clear 80º 16% SSW 6 mph 90%
3am Mostly Clear 80º 8% SSW 6 mph 91%
4am Mostly Clear 80º 11% SSW 5 mph 90%
5am Mostly Clear 80º 12% SSW 4 mph 90%
6am Mostly Clear 80º 11% SSW 5 mph 91%
7am Partly Cloudy 79º 18% SSW 4 mph 92%
8am Partly Cloudy 81º 20% SSW 4 mph 91%
9am Mostly Sunny 83º 20% SSW 6 mph 86%
10am Sunny 84º 17% SSW 8 mph 83%
11am Mostly Sunny 85º 12% SSW 8 mph 81%
12pm Scattered Thunderstorms 86º 37% SSW 8 mph 77%
1pm Partly Cloudy 86º 24% SSW 10 mph 76%
2pm Scattered Thunderstorms 87º 39% SSW 10 mph 74%
3pm Scattered Thunderstorms 86º 35% SSW 10 mph 75%
4pm Partly Cloudy 86º 15% S 10 mph 76%
5pm Partly Cloudy 86º 15% SSW 10 mph 76%
Tue
Aug 25 		Thunderstorms 85º / 74º 68% SSW 9 mph 81%
Wed
Aug 26 		Scattered Thunderstorms 84º / 76º 62% S 10 mph 82%
Thu
Aug 27 		Scattered Thunderstorms 86º / 75º 78% SSW 12 mph 81%
Fri
Aug 28 		Scattered Thunderstorms 86º / 75º 63% SW 10 mph 81%
Sat
Aug 29 		Thunderstorms 85º / 75º 69% SSW 8 mph 82%

Weather Radar for Cape Romain, SC See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Cape Romain, SC

This Afternoon
High : 85ºF
SSW wind 10 to 12 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Seas around 2 ft.
Tonight
Low : 79ºF
WSW wind around 11 kt. Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 2am. Seas around 2 ft.
Sunday
High : 85ºF
W wind 7 to 12 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms, mainly between 4pm and 5pm. Seas around 2 ft.
Sunday Night
Low : 80ºF
SW wind 8 to 10 kt. A slight chance of showers and thunderstorms, mainly between midnight and 3am. Seas around 2 ft.
Monday
High : 85ºF
WSW wind 6 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.
Monday Night
Low : 80ºF
SW wind around 8 kt. A chance of showers and thunderstorms, mainly after 2am. Seas around 2 ft.
Tuesday
High : 84ºF
WSW wind 6 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.
Tuesday Night
Low : 78ºF
SW wind around 8 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Seas around 2 ft.
Wednesday
High : 84ºF
WSW wind 6 to 11 kt becoming S in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 2 ft.

NOAA Buoy Data Near Cape Romain, SC See Map

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    Wind Speed Forecast for Cape Romain, SC

    SaturdaySundayMonday
    Wind Speed (MPH) 1261078911665810
    10pm2am6am10am2pm6pm10pm2am6am10am2pm6pm
    MPH 1261078911665810
    DIR SWWSWSWWSWWSSWSSWSSWSSWSSWSSWSSW

    Current Weather Conditions In Cape Romain, SC

    As Of: 1 minute ago

    • 82ºF
    • 89ºF
    • 12mph
    • 0º (SW)
    • 17mph
    • Heavy Thunderstorms
    • 4mi
    • 29.90"
    • 78%
    • 0ºF

    The weather right now in Cape Romain, SC is Heavy Thunderstorms. The current temperature is 82°F, and the expected high and low for today, Saturday, August 22, 2026, are -° high temperature and 75°F low temperature. The wind is currently blowing at 12 miles per hour, and coming from the Southwest. The wind is gusting to 17 mph. With the wind and the atmosphere the temperature feels like 89° Fahrenheit. Expected precipitation is 85 percent, with current humidity at 78 percent, and air pressure at 29.9 in. Visibility is 4 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Flash Flood Warning - 5:55pm Sat Aug 22 2026

    ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM EDT THIS EVENING FOR BERKELEY, CHARLESTON AND DORCHESTER COUNTIES...

    At 555 PM EDT, Doppler radar indicated a nearly stationary area of
    thunderstorms over North Charleston. As much as 2 to 3 inches of rain
    have fallen in some areas. An additional 1 to 3 inches could fall
    through 715 PM, resulting moderate urban and flash flooding. At 547
    PM, emergency management officials reported Greenridge Road at St.
    Ives Road was flooded in North Charleston with a stalled car. Other
    roadways are likely flooded in parts of the warning area.

    As additional thunderstorms move across the area, the degree of urban
    and flash flooding may worsen.

    HAZARD...Flash flooding caused by thunderstorms.

    SOURCE...Emergency management reported.

    IMPACT...Flash flooding of small creeks and streams, urban areas,
    highways, streets and underpasses as well as other poor
    drainage and low-lying areas.

    Some locations that will experience flash flooding include...
    North Charleston, Summerville, Goose Creek, Hanahan, I-26/I-526
    Interchange, Naval Weapons Station Charleston, Ladson, Daniel
    Island, Charleston Airport and Magnolia Gardens.

    This includes the following highways...
    I-26 between mile markers 206 and 214. I-526 between mile markers 18
    and 21.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Turn around, don't drown when encountering flooded roads. Most flood
    deaths occur in vehicles.

    Report flooding directly to the Charleston National Weather Service
    at 1-888-383-2024 or email your reports to [email protected].

    &&

    FLASH FLOOD...OBSERVED; EXPECTED RAINFALL RATE...1-1.5 INCHES IN 1 HOUR