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Round O, SC Weather Forecast

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Round O, SC Weather Forecast

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Round O SC weather - Clear - 75°F
Clear
75°F
Updated 9:27 am
Feels Like 80°F
Humidity 83%
Wind WNW 3 mph
Barometer  30.18 in
Dew Point 69°F
Round O SC weather - Clear - 24°C
Clear
24°C
Updated 9:27 am
Feels Like 27°C
Humidity 83%
Wind WNW 5 km/h
Barometer  102.2 kPa
Dew Point 21°C
WX Settings

Round O Weather Forecast

TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Round O, SC Weather - Today Sunny Round O, SC Weather - Tonight Partly Cloudy Round O, SC Weather - Saturday Chance Of T-Storm Round O, SC Weather - Saturday Night Chance Of T-Storm Round O, SC Weather - Sunday Chance Of T-Storm Round O, SC Weather - Sunday Night Partly Cloudy Round O, SC Weather - Monday Chance Of T-Storm Round O, SC Weather - Monday Night Chance Of T-Storm Round O, SC Weather - Tuesday Chance Of T-Storm Round O, SC Weather - Tuesday Night Chance Of T-Storm Round O, SC Weather - Wednesday Chance Of T-Storm Round O, SC Weather - Wednesday Night Partly Cloudy
Sunny Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Partly Cloudy
Hi: 91°FHi: 33°C
 Lo: 71°FLo: 22°C Hi: 91°FHi: 33°C
 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
 Lo: 70°FLo: 21°C Hi: 85°FHi: 29°C
 Lo: 69°FLo: 21°C
POP: 50% POP: 50% POP: 50% POP: 50% POP: 20% POP: 70% POP: 20% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 647 AM EDT Fri Sep 18 2026 Round O, SC Weather - WeatherWorld.com

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Round O Forecast Discussion

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Issued: 655 AM EDT Fri Sep 18 2026

Key Messages

  • 1) Warming temperatures and mostly dry conditions today. Rain chances will then gradually increase this weekend and especially by early next week.

Discussion

... KEY MESSAGE 1: Warming temperatures and mostly dry conditions today. Rain chances will then gradually increase this weekend and especially by early next week.

Recent runs of the HRRR indicated that sfc condensation pressure deficits are forecast to lower below 3 mbs across the I-26 corridor during the pre-dawn hours. The foreca...