South Carolina · NWS CHS office

Hanahan, SC weather

It is 54°F and clear at Charleston, Charleston Air Force Base as of Oct 28, 2:15 AM EDT. Overnight: Clear, low near 53°F. Forecast from the National Weather Service, issued Oct 28, 2:17 AM EDT.

Updated Oct 28, 2:31 AM EDT (snapshot)

Current conditions

Temperature

54°F

Clear

Wind

NNE 6 mph

Humidity 94% · dew point 52°F

Pressure · visibility

30.22 inHg

Visibility 10 mi

Observed at Charleston, Charleston Air Force Base (KCHS), Oct 28, 2:15 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Hanahan forecast zone right now.

Around the NWS CHS forecast area

1 active alert covers zones served by the CHS office near Hanahan:

  • Rip Current Statement

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. South Carolina has 4 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Hanahan (local time)
TimeTempForecastPrecip. chanceWind
Wed 2 AM54°FClear0%NE 6 mph
Wed 3 AM54°FClear0%NE 6 mph
Wed 4 AM54°FClear0%NE 7 mph
Wed 5 AM53°FMostly Clear0%NE 7 mph
Wed 6 AM53°FSunny0%NE 7 mph
Wed 7 AM53°FMostly Sunny0%NE 8 mph
Wed 8 AM54°FMostly Sunny0%NE 8 mph
Wed 9 AM58°FMostly Sunny0%NE 8 mph
Wed 10 AM63°FMostly Sunny0%NE 9 mph
Wed 11 AM68°FMostly Sunny0%NE 9 mph
Wed 12 PM72°FPartly Sunny0%NE 10 mph
Wed 1 PM75°FPartly Sunny0%NE 12 mph
Wed 2 PM77°FPartly Sunny0%NE 12 mph
Wed 3 PM77°FPartly Sunny0%NE 12 mph
Wed 4 PM77°FPartly Sunny0%NE 13 mph
Wed 5 PM76°FPartly Sunny0%NE 12 mph
Wed 6 PM75°FMostly Cloudy0%NE 10 mph
Wed 7 PM72°FMostly Cloudy0%NE 10 mph
Wed 8 PM69°FMostly Cloudy0%NE 9 mph
Wed 9 PM67°FCloudy0%NE 9 mph
Wed 10 PM67°FMostly Cloudy0%NE 9 mph
Wed 11 PM66°FMostly Cloudy0%NE 8 mph
Thu 12 AM66°FPartly Cloudy0%NE 8 mph
Thu 1 AM65°FPartly Cloudy0%NE 7 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Hanahan can differ.

7-day forecast

Overnight

Low 53°F

Clear, with a low around 53. Northeast wind around 7 mph.

Wednesday

High 79°F·Low 61°F

Mostly sunny, with a high near 79. Northeast wind 8 to 13 mph, with gusts as high as 24 mph.

Wednesday Night: Mostly cloudy, with a low around 61. Northeast wind 7 to 12 mph, with gusts as high as 21 mph.

Thursday

High 80°F·Low 59°F

Partly sunny, with a high near 80. Northeast wind 7 to 10 mph.

Thursday Night: Mostly clear, with a low around 59. Northeast wind around 6 mph.

Friday

High 81°F·Low 60°F

Sunny, with a high near 81.

Friday Night: Partly cloudy, with a low around 60.

Saturday

High 78°F·Low 62°F

Mostly cloudy, with a high near 78.

Saturday Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.

Sunday

High 76°F·Low 63°F

A chance of rain showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.

Sunday Night: A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

Monday

High 78°F·Low 62°F

A chance of rain showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

Monday Night: A chance of rain showers before 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Tuesday

High 80°F

Mostly sunny, with a high near 80.

Nearby cities

Larger cities in the area

Other cities in Berkeley County

See every city we cover in South Carolina, or check all active alerts.

About this forecast

Forecast office
Hanahan is served by the National Weather Service CHS forecast office, forecast zone SCZ045, county zone SCC015.
Location used
The Census Bureau's internal point for Hanahan (32.9310, -80.0022), in Berkeley County. Population: 21,983 (2024 estimate), number 26 of the 27 South Carolina cities on this site.
Radar
Nearest NWS radar: KCLX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/32.931,-80.0022 (forecast issued Oct 28, 2:17 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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