0in

Rain Today

Rain Last Hour
0in

Recorded at Charleston Executive Airport Updated 16 mins ago (1.6 miles away)

Get WillyWeather+ to remove ads

Real-Time Extremes

Hottest 91.3 °F
King Airport, St. Thomas, PR
Coldest 24.7 °F
Fort Yukon, Fort Yukon Airport, AK
Windiest 28.9mph
Barter Island, Barter Island LRRS Airport, AK
Wettest (Last Hour) 0.6in
Sauk Centre Municipal Airport, MN
Most Humid 100%
Hobby Field Airport, OR
Least Humid 25%
Geyser, MT
Highest Pressure 1028.1 hPa
Salida - Monarch Pass, CO
Lowest Pressure 996.6 hPa
Wekweeti Airport, Canada, AK

Trending Locations

Get WillyWeather+ to remove ads

Johns Island Rainfall Forecast

Today 29 Sep
No Rain
Wed 30 Sep
10%
Thu 1 Oct
5%
Fri 2 Oct
25%
Sat 3 Oct
35%
Sun 4 Oct
40%
Mon 5 Oct
65%

Johns Island Rainfall Statistics

September Rainfall

Charleston Executive Airport (1.2 miles)

Total Rainfall 2026
17.1in
Daily Average 2026
0.1in
Wettest Day 1 June, 2026
1.2in
Wet Days 2026
72/272 (26%)
Total Rainfall August
4.3in
Daily Average August
0.1in
Wettest Day 3 August, 2026
1in
Wet Days August
16/31 (52%)
Total Rainfall September
0.9in
Daily Average September
0.03in
Wettest Day 10 September, 2026
0.6in
Wet Days September
6/29 (21%)

Climate (2021–2025)

Charleston Executive Airport (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2021–2025
27.5in
Monthly Average 2021–2026
2.1in
Daily Average 2021–2026
0.1in
Wettest Day 23 August, 2025
6.6in

Get WillyWeather+ to remove ads