Johnston County Airport Rainfall Forecast

Today 31 May
No Rain
Mon 1 Jun
80%
Tue 2 Jun
50%
Wed 3 Jun
15%
Thu 4 Jun
5%
Fri 5 Jun
No Rain
Sat 6 Jun
10%

Johnston County Airport Rainfall Statistics

May Rainfall

Smithfield, Johnston County Airport (0 miles)

Total Rainfall 2026
9in
Daily Average 2026
0.1in
Wettest Day 25 May, 2026
2.2in
Wet Days 2026
33/151 (22%)
Total Rainfall April
0.6in
Daily Average April
0.02in
Wettest Day 5 April, 2026
0.3in
Wet Days April
3/31 (10%)
Total Rainfall May
4.5in
Daily Average May
0.2in
Wettest Day 25 May, 2026
2.2in
Wet Days May
11/31 (35%)

Climate (2010–Present)

Smithfield, Johnston County Airport (0 miles)

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Annual Average 2021–2025
48.4in
Monthly Average 2021–2026
3.9in
Daily Average 2021–2026
0.1in
Wettest Day 12 August, 2025
6.1in

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