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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Mt Vernon, OH
Content continues below
May
Average Temperature
High
22°
Feels 23
Low
10°
Feels 10
Average Precipitation
13 Days
Rain amount
72.4mm
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
18
31°
19
30°
20
17°
21
18°
22
20°
23
24°
24
24°
25
24°
26
22°
27
23°
28
23°
29
23°
30
24°
31
24°
Forecast
Monday, May 18, 2026
Day
31°
Feels 31
Wind
26 km/h SW
Gust
46 km/h
Humidity
38%
P.O.P
10%
Night
20°
Feels 20
Wind
24 km/h S
Gust
36 km/h
Humidity
82%
P.O.P
40%
Rain
~1 mm
Historical Averages
May 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.