Monthly Historical AveragesPortsmouth, RI
Average Temperature
High
6°
Feels 4
Low
0°
Feels -4
Average Precipitation
12 Days
98.9mm
10.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, December 30, 2025
Day
-1°Feels -8
Wind
37 km/h W
Gust
57 km/h
Humidity
46%
P.O.P
30%
Night
-4°Feels -11
Wind
33 km/h W
Gust
50 km/h
Humidity
58%
P.O.P
20%
Historical AveragesDec 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity