Monthly Historical AveragesPortsmouth, OH
Average Temperature
High
29°
Feels 30
Low
17°
Feels 17
Average Precipitation
12 Days
126mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, June 15, 2026
Day
23°Feels 23
Wind
14 km/h W
Gust
22 km/h
Humidity
38%
P.O.P
20%
Night
12°Feels 12
Wind
13 km/h W
Gust
19 km/h
Humidity
86%
P.O.P
10%
Historical AveragesJun 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity