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May weather forecast in Ontario
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
27
+20
+7
27 April, sun
+20
+7
Feels like
+9
697 mmHg
47%
4.9
m/s
SW
27 April, Sunday. day, 20°; night, 7°; clear
28
+20
+6
28 April, mon
+20
+6
Feels like
+8
698 mmHg
47%
5.4
m/s
SW
28 April, Monday. day, 20°; night, 6°; partly cloudy
29
+19
+6
29 April, tue
+19
+6
Feels like
+8
698 mmHg
49%
5
m/s
SW
29 April, Tuesday. day, 19°; night, 6°; clear
30
+20
+6
30 April, wed
+20
+6
Feels like
+8
699 mmHg
49%
5.2
m/s
SW
30 April, Wednesday. day, 20°; night, 6°; clear
1
+20
+6
1 May, thu
+20
+6
Feels like
+8
698 mmHg
50%
5
m/s
SW
1 May, Thursday. day, 20°; night, 6°; clear
2
+21
+7
2 May, fri
+21
+7
Feels like
+9
697 mmHg
47%
5.1
m/s
S
2 May, Friday. day, 21°; night, 7°; partly cloudy
3
+21
+7
3 May, sat
+21
+7
Feels like
+10
697 mmHg
47%
5.2
m/s
SW
3 May, Saturday. day, 21°; night, 7°; clear
4
+21
+8
4 May, sun
+21
+8
Feels like
+10
697 mmHg
47%
4.8
m/s
SW
4 May, Sunday. day, 21°; night, 8°; clear
5
+21
+9
5 May, mon
+21
+9
Feels like
+11
697 mmHg
47%
5.1
m/s
S
5 May, Monday. day, 21°; night, 9°; partly cloudy
6
+21
+8
6 May, tue
+21
+8
Feels like
+10
697 mmHg
47%
5.5
m/s
SW
6 May, Tuesday. day, 21°; night, 8°; partly cloudy
7
+21
+8
7 May, wed
+21
+8
Feels like
+10
697 mmHg
47%
5.3
m/s
W
7 May, Wednesday. day, 21°; night, 8°; rain
8
+21
+7
8 May, thu
+21
+7
Feels like
+10
698 mmHg
47%
4.8
m/s
SW
8 May, Thursday. day, 21°; night, 7°; clear
9
+21
+8
9 May, fri
+21
+8
Feels like
+10
697 mmHg
46%
5
m/s
SW
9 May, Friday. day, 21°; night, 8°; clear
10
+21
+7
10 May, sat
+21
+7
Feels like
+10
698 mmHg
46%
4.9
m/s
SW
10 May, Saturday. day, 21°; night, 7°; clear
11
+22
+9
11 May, sun
+22
+9
Feels like
+11
698 mmHg
45%
5
m/s
SW
11 May, Sunday. day, 22°; night, 9°; partly cloudy
12
+23
+9
12 May, mon
+23
+9
Feels like
+12
697 mmHg
44%
5.1
m/s
SW
12 May, Monday. day, 23°; night, 9°; partly cloudy
13
+23
+9
13 May, tue
+23
+9
Feels like
+12
698 mmHg
45%
5
m/s
S
13 May, Tuesday. day, 23°; night, 9°; clear
14
+24
+10
14 May, wed
+24
+10
Feels like
+13
698 mmHg
44%
4.6
m/s
S
14 May, Wednesday. day, 24°; night, 10°; partly cloudy
15
+24
+11
15 May, thu
+24
+11
Feels like
+14
697 mmHg
47%
4.5
m/s
S
15 May, Thursday. day, 24°; night, 11°; partly cloudy
16
+24
+11
16 May, fri
+24
+11
Feels like
+13
696 mmHg
49%
5
m/s
SW
16 May, Friday. day, 24°; night, 11°; overcast
17
+23
+11
17 May, sat
+23
+11
Feels like
+13
696 mmHg
48%
4.9
m/s
SW
17 May, Saturday. day, 23°; night, 11°; overcast
18
+23
+11
18 May, sun
+23
+11
Feels like
+13
697 mmHg
49%
4.9
m/s
SW
18 May, Sunday. day, 23°; night, 11°; rain
19
+24
+11
19 May, mon
+24
+11
Feels like
+13
697 mmHg
47%
5
m/s
W
19 May, Monday. day, 24°; night, 11°; clear
20
+23
+10
20 May, tue
+23
+10
Feels like
+12
697 mmHg
48%
5.2
m/s
SW
20 May, Tuesday. day, 23°; night, 10°; rain
21
+21
+10
21 May, wed
+21
+10
Feels like
+12
697 mmHg
49%
5
m/s
SW
21 May, Wednesday. day, 21°; night, 10°; rain
22
+22
+10
22 May, thu
+22
+10
Feels like
+12
696 mmHg
51%
5.4
m/s
SW
22 May, Thursday. day, 22°; night, 10°; rain
23
+23
+9
23 May, fri
+23
+9
Feels like
+12
697 mmHg
49%
4.9
m/s
SW
23 May, Friday. day, 23°; night, 9°; partly cloudy
24
+23
+10
24 May, sat
+23
+10
Feels like
+13
697 mmHg
48%
4.6
m/s
SW
24 May, Saturday. day, 23°; night, 10°; clear
25
+24
+11
25 May, sun
+24
+11
Feels like
+14
696 mmHg
46%
4.8
m/s
W
25 May, Sunday. day, 24°; night, 11°; partly cloudy
26
+24
+11
26 May, mon
+24
+11
Feels like
+14
696 mmHg
48%
4.6
m/s
SW
26 May, Monday. day, 24°; night, 11°; rain
27
+24
+11
27 May, tue
+24
+11
Feels like
+14
697 mmHg
49%
4.9
m/s
SW
27 May, Tuesday. day, 24°; night, 11°; partly cloudy
28
+25
+11
28 May, wed
+25
+11
Feels like
+14
697 mmHg
48%
4.69
m/s
SW
28 May, Wednesday. day, 25°; night, 11°; clear
29
+25
+12
29 May, thu
+25
+12
Feels like
+15
697 mmHg
46%
5
m/s
SW
29 May, Thursday. day, 25°; night, 12°; clear
30
+25
+12
30 May, fri
+25
+12
Feels like
+15
698 mmHg
45%
4.8
m/s
SW
30 May, Friday. day, 25°; night, 12°; clear
31
+26
+12
31 May, sat
+26
+12
Feels like
+16
698 mmHg
47%
4.6
m/s
SW
31 May, Saturday. day, 26°; night, 12°; clear
Average data for 10 years
Ontario May
13
sunny days
6
days with precipitation
5
cloudy days
13 sunny days; 6 days with precipitation; 5 cloudy days;
47
%
air humidity
2.8
m/s
Wind
SW
29
mm of precipitation
(9% of annual average)
air humidity 47%; 29 millimeters of precipitation (9% of annual average); Wind south-westerly 2.8 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
S
SW
SW
S
SW
W
SW
SW
SW
SW
SW
S
S
S
SW
SW
SW
W
SW
SW
SW
SW
SW
W
SW
SW
SW
SW
SW
SW
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
Cities near you
Moscow
Boise
Spokane
Moses Lake
Richland
Lewiston
John Day
Othello
Walla Walla
Cities with similar weather in May
Gagra
Tbilisi
Pitsunda
Ankara
Gomel
Varna
Florence
Podgorica
The Golden Sands