Monthly Historical AveragesPortsmouth, RI
Average Temperature
High
17°
Feels 17
Low
10°
Feels 9
Average Precipitation
10 Days
76.5mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, May 17, 2026
Day
26°Feels 26
Wind
25 km/h SW
Gust
38 km/h
Humidity
54%
P.O.P
20%
Night
16°Feels 15
Wind
23 km/h SW
Gust
35 km/h
Humidity
94%
P.O.P
20%
Historical AveragesMay 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity