Weather in Johnston, South Carolina
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 06:28 PM ET · Refreshes every hour
81°F
Overcast
Feels like 86°F
72%
Humidity
9 mph
Wind Speed
About Weather in Johnston
Johnston is located in South Carolina (coordinates: 33.833383°N, 81.804823°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.