Local weather forecast

Weather in Round O, SC

Updated 2026-09-26 10:00 local time · ZIP codes 29474

Now67°F

Sunny

High / Low83° / 54°

Rain chance1%

Wind5 mph

Weather alerts

Active alerts

Coastal Flood Advisory issued September 26 at 2:09AM EDT until September 26 at 10:00AM EDT by NWS Charleston SC

* WHAT...Up to one half foot of inundation above ground level expected along shorelines and tidal waterways (7.3 to 7.5 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...From 6 AM to 10 AM EDT this morning. * IMPACTS...This could result in some roads becoming impassable. * ADDITIONAL DETAILS...High tide will occur around 8:03 AM today at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.

Safety instructions

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Visit water.weather.gov for additional water level and flood impact information.

Hourly

Next hours

Now

67°1% rain

11 AM

73°1% rain

12 PM

77°0% rain

1 PM

79°0% rain

2 PM

82°0% rain

3 PM

83°0% rain

4 PM

83°0% rain

5 PM

82°7% rain

6 PM

79°1% rain

7 PM

72°9% rain

8 PM

70°5% rain

9 PM

68°1% rain

Forecast

3-day weather forecast

Today2026-09-26

83° 54°Sunny

Rain 1%Gust 7 mph

Tomorrow2026-09-27

88° 59°Sunny

Rain 3%Gust 6 mph

Monday2026-09-28

78° 62°Sunny

Rain 7%Gust 5 mph

Conditions

Weather details

Feels like63°F

Humidity36%

Pressure30.03 inHg

Visibility6 mi

Wind5 mph NNE

Wind gusts9 mph

Precipitation0.00 in

UV index2

Daylight

Sunrise, sunset and moon

Sunrise07:13 AM

Sunset07:14 PM

Moonrise07:07 PM

Moon phaseFull Moon

Next 24 hours

Key weather changes ahead

Warmest hour4 PM · 83°F

Coolest hour7 AM · 59°F

Highest rain chance8 AM · 12%

Strongest gusts3 AM · 14 mph

Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 9%).

Light layers should work

It feels like 63°F with winds near 5 mph.

Best window: 10 AM

67°F, 1% rain chance and 5 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 11 mph.

Good conditions for an easy run

Current temperature is 67°F, wind 5 mph, rain chance up to 9%.

Low UV protection needs

UV index is 2.

Local weather characteristics in Round O

South Carolina has hot humid summers and generally mild winters. Coastal areas are exposed to tropical systems, while the northwest is somewhat cooler with elevation.

Round O is part of the South weather region. The forecast point is near 32.94°N latitude and 80.58°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Round O weather today

Sunny and 67°F in Round O, SC. Today's high is 83°F with a 1% rain chance. Winds are around 5 mph with gusts near 9 mph. Relative humidity is 36%, pressure is 30.03 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Round O

Sunrise is at 07:13 AM and sunset is at 07:14 PM. Tomorrow's forecast calls for Sunny with a high near 88°F and a low near 59°F. The maximum rain chance is 3%.

Nearby

Weather near Round O

Cottageville, SC~5 mi away Walterboro, SC~9 mi away Adams Run, SC~11 mi away Jacksonboro, SC~15 mi away Ridgeville, SC~16 mi away Ravenel, SC~16 mi away Dorchester, SC~18 mi away Ruffin, SC~18 mi away

South Carolina

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