Monthly Historical AveragesOttawa, OH
Average Temperature
High
22°
Feels 23
Low
11°
Feels 10
Average Precipitation
13 Days
89.5mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, May 12, 2026
Day
22°Feels 22
Wind
28 km/h E
Gust
43 km/h
Humidity
33%
P.O.P
30%
Night
13°Feels 11
Wind
45 km/h S
Gust
67 km/h
Humidity
88%
P.O.P
90%
Rain
5-10 mm
Historical AveragesMay 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity