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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Greenville, OH
Content continues below
May
Average Temperature
High
23°
Feels 23
Low
12°
Feels 11
Average Precipitation
12 Days
Rain amount
86.9mm
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
13
14
15
16
17
28°
18
27°
19
26°
20
19°
21
17°
22
24°
23
23°
24
25°
25
25°
26
24°
27
27°
28
27°
29
27°
30
29°
31
27°
Forecast
Sunday, May 17, 2026
Day
28°
Feels 28
Wind
24 km/h S
Gust
36 km/h
Humidity
42%
P.O.P
60%
Rain
1-3 mm
Night
19°
Feels 19
Wind
21 km/h S
Gust
31 km/h
Humidity
87%
P.O.P
0%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.