Portsmouth Rainfall Forecast

Today 19 Mar
No Rain
Fri 20 Mar
20%
Sat 21 Mar
80%
Sun 22 Mar
30%
Mon 23 Mar
65%
Tue 24 Mar
10%
Wed 25 Mar
25%

Portsmouth Rainfall Statistics

March Rainfall

Newport, Newport State Airport (5 miles)

Total Rainfall 2026
6.7in
Daily Average 2026
0.1in
Wettest Day 16 March, 2026
1.1in
Wet Days 2026
22/78 (28%)
Total Rainfall February
1.5in
Daily Average February
0.1in
Wettest Day 20 February, 2026
0.5in
Wet Days February
7/28 (25%)
Total Rainfall March
2.7in
Daily Average March
0.2in
Wettest Day 16 March, 2026
1.1in
Wet Days March
6/19 (32%)

Climate (2010–Present)

Newport, Newport State Airport (5 miles)

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Annual Average 2021–2025
45in
Monthly Average 2021–2026
3.7in
Daily Average 2021–2026
0.1in
Wettest Day 2 September, 2021
5.1in

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