Charleston Weather Forecast for March 2024, is based on previous years statistical data. 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec March Mon Tue Wed Thu Fri Sat Sun 1 +66° +55° 2 +64° +55° 3 +64° +54° 4 +61° +52° 5 +63° +52° 6 +64° +54° 7 +66° +55° 8 +68°. Are you planning a holiday with hopefully nice weather in Charleston in March 2024? Here you can find all information about the weather in Charleston in March: >> Overview: Charleston Weather and Climate in March >> Charleston weather by month // weather averages >> Charleston weather in March // weather averages.