10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
May weather forecast in Ottawa
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
+17
+7
27 April, sun
+17
+7
Feels like
+6
743 mmHg
60%
6.7
m/s
S
27 April, Sunday. day, 17°; night, 7°; partly cloudy
28
+17
+7
28 April, mon
+17
+7
Feels like
+7
743 mmHg
65%
6.3
m/s
SE
28 April, Monday. day, 17°; night, 7°; overcast
29
+18
+8
29 April, tue
+18
+8
Feels like
+8
744 mmHg
66%
6.4
m/s
SE
29 April, Tuesday. day, 18°; night, 8°; rain
30
+18
+9
30 April, wed
+18
+9
Feels like
+9
742 mmHg
68%
7.1
m/s
S
30 April, Wednesday. day, 18°; night, 9°; rain
1
+19
+10
1 May, thu
+19
+10
Feels like
+9
741 mmHg
67%
7
m/s
S
1 May, Thursday. day, 19°; night, 10°; rain
2
+19
+10
2 May, fri
+19
+10
Feels like
+10
742 mmHg
64%
5.9
m/s
S
2 May, Friday. day, 19°; night, 10°; overcast
3
+19
+9
3 May, sat
+19
+9
Feels like
+10
743 mmHg
65%
5.6
m/s
S
3 May, Saturday. day, 19°; night, 9°; partly cloudy
4
+20
+9
4 May, sun
+20
+9
Feels like
+10
744 mmHg
63%
5.6
m/s
S
4 May, Sunday. day, 20°; night, 9°; partly cloudy
5
+20
+10
5 May, mon
+20
+10
Feels like
+11
744 mmHg
63%
6
m/s
S
5 May, Monday. day, 20°; night, 10°; clear
6
+22
+11
6 May, tue
+22
+11
Feels like
+12
743 mmHg
63%
5.9
m/s
S
6 May, Tuesday. day, 22°; night, 11°; clear
7
+22
+12
7 May, wed
+22
+12
Feels like
+13
742 mmHg
65%
6.2
m/s
S
7 May, Wednesday. day, 22°; night, 12°; rain
8
+22
+11
8 May, thu
+22
+11
Feels like
+12
742 mmHg
66%
6.3
m/s
S
8 May, Thursday. day, 22°; night, 11°; overcast
9
+22
+12
9 May, fri
+22
+12
Feels like
+13
742 mmHg
68%
6.7
m/s
S
9 May, Friday. day, 22°; night, 12°; rain
10
+21
+11
10 May, sat
+21
+11
Feels like
+13
743 mmHg
68%
5.6
m/s
S
10 May, Saturday. day, 21°; night, 11°; clear
11
+21
+12
11 May, sun
+21
+12
Feels like
+12
743 mmHg
68%
6.8
m/s
S
11 May, Sunday. day, 21°; night, 12°; rain
12
+20
+10
12 May, mon
+20
+10
Feels like
+11
743 mmHg
67%
5.9
m/s
S
12 May, Monday. day, 20°; night, 10°; rain
13
+20
+10
13 May, tue
+20
+10
Feels like
+11
744 mmHg
66%
5.8
m/s
S
13 May, Tuesday. day, 20°; night, 10°; rain
14
+21
+11
14 May, wed
+21
+11
Feels like
+12
744 mmHg
67%
6.3
m/s
S
14 May, Wednesday. day, 21°; night, 11°; rain
15
+21
+11
15 May, thu
+21
+11
Feels like
+12
744 mmHg
66%
6.2
m/s
S
15 May, Thursday. day, 21°; night, 11°; overcast
16
+22
+11
16 May, fri
+22
+11
Feels like
+13
743 mmHg
66%
5.9
m/s
S
16 May, Friday. day, 22°; night, 11°; partly cloudy
17
+22
+12
17 May, sat
+22
+12
Feels like
+14
743 mmHg
67%
5.9
m/s
SE
17 May, Saturday. day, 22°; night, 12°; rain
18
+22
+12
18 May, sun
+22
+12
Feels like
+14
743 mmHg
65%
6.2
m/s
S
18 May, Sunday. day, 22°; night, 12°; clear
19
+23
+12
19 May, mon
+23
+12
Feels like
+14
743 mmHg
65%
5.7
m/s
S
19 May, Monday. day, 23°; night, 12°; partly cloudy
20
+23
+13
20 May, tue
+23
+13
Feels like
+15
744 mmHg
65%
6
m/s
S
20 May, Tuesday. day, 23°; night, 13°; rain
21
+22
+12
21 May, wed
+22
+12
Feels like
+14
744 mmHg
66%
5.5
m/s
S
21 May, Wednesday. day, 22°; night, 12°; clear
22
+24
+12
22 May, thu
+24
+12
Feels like
+15
744 mmHg
63%
5.7
m/s
S
22 May, Thursday. day, 24°; night, 12°; clear
23
+24
+13
23 May, fri
+24
+13
Feels like
+15
743 mmHg
64%
5.8
m/s
S
23 May, Friday. day, 24°; night, 13°; clear
24
+23
+13
24 May, sat
+23
+13
Feels like
+15
743 mmHg
66%
6.1
m/s
SE
24 May, Saturday. day, 23°; night, 13°; partly cloudy
25
+23
+13
25 May, sun
+23
+13
Feels like
+15
743 mmHg
68%
6.1
m/s
S
25 May, Sunday. day, 23°; night, 13°; rain
26
+23
+13
26 May, mon
+23
+13
Feels like
+16
743 mmHg
71%
5.7
m/s
S
26 May, Monday. day, 23°; night, 13°; rain
27
+24
+14
27 May, tue
+24
+14
Feels like
+16
743 mmHg
71%
5.9
m/s
S
27 May, Tuesday. day, 24°; night, 14°; rain
28
+23
+15
28 May, wed
+23
+15
Feels like
+17
742 mmHg
71%
5.9
m/s
S
28 May, Wednesday. day, 23°; night, 15°; rain
29
+25
+14
29 May, thu
+25
+14
Feels like
+17
743 mmHg
67%
5.5
m/s
S
29 May, Thursday. day, 25°; night, 14°; clear
30
+26
+15
30 May, fri
+26
+15
Feels like
+18
743 mmHg
64%
5.5
m/s
S
30 May, Friday. day, 26°; night, 15°; clear
31
+25
+16
31 May, sat
+25
+16
Feels like
+18
743 mmHg
67%
5.8
m/s
S
31 May, Saturday. day, 25°; night, 16°; rain
Average data for 10 years
Ottawa May
9
sunny days
14
days with precipitation
10
cloudy days
9 sunny days; 14 days with precipitation; 10 cloudy days;
66
%
air humidity
3.9
m/s
Wind
S
129
mm of precipitation
(13% of annual average)
air humidity 66%; 129 millimeters of precipitation (13% of annual average); Wind southerly 3.9 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
SE
S
S
S
S
S
S
SE
S
S
S
S
S
S
S
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
Chicago
St. Louis
Indianapolis
Michigan City
Wisconsin Dells
Appleton
Dixon
Iowa City
Washington
Cities with similar weather in May
New York
Uralsk
Armavir
Balkhash
Zhezkazgan
Pyongyang
Shenyang
Albuquerque
Satpaev
