The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Winona, MN
Content continues below
Content continues below
May
Average Temperature
High
20°
Feels 19
Low
9°
Feels 7
Average Precipitation
13 Days
Rain amount
78.5mm
Snow amount
0.3cm
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
21°
18
24°
19
12°
20
14°
21
17°
22
18°
23
22°
24
24°
25
23°
26
24°
27
24°
28
24°
29
24°
30
24°
31
24°
Forecast
Sunday, May 17, 2026
Day
21°
Feels 21
Wind
31 km/h SE
Gust
47 km/h
Humidity
67%
P.O.P
80%
Rain
~5 mm
Night
18°
Feels 18
Wind
28 km/h SE
Gust
42 km/h
Humidity
94%
P.O.P
100%
Rain
15-20 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.