Johnston Airport Rainfall Forecast

Today 9 Sep
No Rain
Thu 10 Sep
No Rain
Fri 11 Sep
30%
Sat 12 Sep
70%
Sun 13 Sep
45%
Mon 14 Sep
20%
Tue 15 Sep
25%

Johnston Airport Rainfall Statistics

September Rainfall

Concord Regional Airport (9.9 miles)

Total Rainfall 2026
9.5in
Daily Average 2026
0.04in
Wettest Day 13 July, 2026
1.5in
Wet Days 2026
34/252 (13%)
Total Rainfall August
1in
Daily Average August
0.03in
Wettest Day 6 August, 2026
0.7in
Wet Days August
5/31 (16%)
Total Rainfall September
0.1in
Daily Average September
0.02in
Wettest Day 6 September, 2026
0.1in
Wet Days September
1/9 (11%)

Climate (2021–2025)

Concord Regional Airport (9.9 miles)

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Annual Average 2021–2025
14.5in
Monthly Average 2021–2026
1.3in
Daily Average 2021–2026
0.04in
Wettest Day 22 August, 2025
4.3in

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