Portsmouth Rainfall Forecast

Today 18 Dec
No Rain
Fri 19 Dec
95%
Sat 20 Dec
10%
Sun 21 Dec
5%
Mon 22 Dec
No Rain
Tue 23 Dec
55%
Wed 24 Dec
40%

Portsmouth Rainfall Statistics

December Rainfall

Newport, Newport State Airport (5 miles)

Total Rainfall 2025
37.9in
Daily Average 2025
0.1in
Wettest Day 15 May, 2025
2.6in
Wet Days 2025
107/352 (30%)
Total Rainfall November
2.6in
Daily Average November
0.1in
Wettest Day 30 November, 2025
0.8in
Wet Days November
10/30 (33%)
Total Rainfall December
1.2in
Daily Average December
0.1in
Wettest Day 2 December, 2025
0.9in
Wet Days December
5/18 (28%)

Climate (2010–Present)

Newport, Newport State Airport (5 miles)

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Annual Average 2020–2024
44.7in
Monthly Average 2020–2025
3.8in
Daily Average 2020–2025
0.1in
Wettest Day 2 September, 2021
5.1in

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