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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Ottawa, OH
Content continues below
May
Average Temperature
High
22°
Feels 23
Low
11°
Feels 10
Average Precipitation
13 Days
Rain amount
89.5mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
21°
13
13°
14
17°
15
19°
16
27°
17
27°
18
29°
19
22°
20
20°
21
24°
22
23°
23
23°
24
23°
25
23°
26
23°
27
28
29
30
31
Forecast
Tuesday, May 12, 2026
Day
21°
Feels 21
Wind
20 km/h E
Gust
43 km/h
Humidity
33%
P.O.P
30%
Night
13°
Feels 11
Wind
36 km/h S
Gust
67 km/h
Humidity
88%
P.O.P
90%
Rain
5-10 mm
Historical Averages
May 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.