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Monthly weather forecast in Thunder Bay
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
21
+5
+2
21 April, sun
+5
+2
Feels like
0
730 mmHg
75%
6.3
m/s
N
21 April, Sunday. day, 5°; night, 2°; rain
22
+6
+2
22 April, mon
+6
+2
Feels like
+1
730 mmHg
73%
5.9
m/s
N
22 April, Monday. day, 6°; night, 2°; clear
23
+6
+3
23 April, tue
+6
+3
Feels like
+2
729 mmHg
73%
6
m/s
E
23 April, Tuesday. day, 6°; night, 3°; overcast
24
+7
+3
24 April, wed
+7
+3
Feels like
+2
728 mmHg
74%
6.5
m/s
NE
24 April, Wednesday. day, 7°; night, 3°; clear
25
+5
+3
25 April, thu
+5
+3
Feels like
−1
728 mmHg
79%
7.5
m/s
NE
25 April, Thursday. day, 5°; night, 3°; rain
26
April
+10
+4
26 April, fri
+10
+4
Feels like
+2
746 mmHg
61%
6.2
m/s
E
Climate normal
+4
+1
26 April, Friday. day, 10°; night, 4°; clear
27
+7
+1
27 April, sat
+7
+1
Feels like
0
735 mmHg
92%
5.2
m/s
NW
Climate normal
+6
+1
27 April, Saturday. day, 7°; night, 1°; rain
28
+7
+2
28 April, sun
+7
+2
Feels like
−1
748 mmHg
66%
5.8
m/s
E
Climate normal
+6
+2
28 April, Sunday. day, 7°; night, 2°; light rain
29
+4
+4
29 April, mon
+4
+4
Feels like
−5
739 mmHg
89%
8.4
m/s
E
Climate normal
+7
+3
29 April, Monday. day, 4°; night, 4°; rain
30
+10
+5
30 April, tue
+10
+5
Feels like
+4
738 mmHg
77%
3.2
m/s
SW
Climate normal
+6
+4
30 April, Tuesday. day, 10°; night, 5°; overcast
1 May
+14
+3
1 May, wed
+14
+3
Feels like
+6
741 mmHg
65%
4.8
m/s
W
Climate normal
+7
+3
1 May, Wednesday. day, 14°; night, 3°; overcast
2
+12
+4
2 May, thu
+12
+4
Feels like
+5
743 mmHg
69%
3.7
m/s
NW
Climate normal
+10
+4
2 May, Thursday. day, 12°; night, 4°; rain
3
+11
+4
3 May, fri
+11
+4
Feels like
+3
744 mmHg
59%
4.3
m/s
N
Climate normal
+8
+6
3 May, Friday. day, 11°; night, 4°; partly cloudy
4
+10
+4
4 May, sat
+10
+4
Feels like
+4
746 mmHg
67%
3.9
m/s
N
Climate normal
+8
+4
4 May, Saturday. day, 10°; night, 4°; overcast
5
+12
+5
5 May, sun
+12
+5
Feels like
+6
744 mmHg
65%
3.6
m/s
N
Climate normal
+8
+4
5 May, Sunday. day, 12°; night, 5°; overcast
6
+13
+5
6 May, mon
+13
+5
Feels like
+6
741 mmHg
73%
4.4
m/s
S
Climate normal
+9
+5
6 May, Monday. day, 13°; night, 5°; overcast
7
+10
+5
7 May, tue
+10
+5
Feels like
+4
742 mmHg
69%
5.5
m/s
N
Climate normal
+9
+5
7 May, Tuesday. day, 10°; night, 5°; overcast
8
+6
+5
8 May, wed
+6
+5
Feels like
+2
737 mmHg
86%
3.8
m/s
NE
Climate normal
+8
+4
8 May, Wednesday. day, 6°; night, 5°; light rain
9
+7
+5
9 May, thu
+7
+5
Feels like
+2
735 mmHg
97%
4.8
m/s
NE
Climate normal
+9
+4
9 May, Thursday. day, 7°; night, 5°; light rain
10
+6
+5
10 May, fri
+6
+5
Feels like
0
739 mmHg
76%
4.7
m/s
NE
Climate normal
+9
+5
10 May, Friday. day, 6°; night, 5°; partly cloudy
11
+7
+5
11 May, sat
+7
+5
Feels like
+1
741 mmHg
62%
4.7
m/s
NE
Climate normal
+8
+5
11 May, Saturday. day, 7°; night, 5°; mostly clear
12
+5
+5
12 May, sun
+5
+5
Feels like
0
745 mmHg
63%
4.1
m/s
E
Climate normal
+9
+4
12 May, Sunday. day, 5°; night, 5°; clear
13
+9
+7
13 May, mon
+9
+7
Feels like
+2
742 mmHg
54%
3.8
m/s
SW
Climate normal
+8
+5
13 May, Monday. day, 9°; night, 7°; clear
14
+9
+6
14 May, tue
+9
+6
Feels like
+3
739 mmHg
70%
4.7
m/s
SW
Climate normal
+10
+5
14 May, Tuesday. day, 9°; night, 6°; clear
15
+9
+6
15 May, wed
+9
+6
Feels like
+3
742 mmHg
72%
6.5
m/s
E
Climate normal
+10
+5
15 May, Wednesday. day, 9°; night, 6°; clear
16
+8
+5
16 May, thu
+8
+5
Feels like
+2
745 mmHg
67%
4.8
m/s
E
Climate normal
+10
+6
16 May, Thursday. day, 8°; night, 5°; clear
17
+9
+6
17 May, fri
+9
+6
Feels like
+2
742 mmHg
61%
4.8
m/s
SE
Climate normal
+10
+8
17 May, Friday. day, 9°; night, 6°; mostly clear
18
+10
+8
18 May, sat
+10
+8
Feels like
+4
737 mmHg
74%
3.5
m/s
S
Climate normal
+11
+6
18 May, Saturday. day, 10°; night, 8°; clear
19
+12
+9
19 May, sun
+12
+9
Feels like
+4
736 mmHg
90%
5.6
m/s
SW
Climate normal
+12
+7
19 May, Sunday. day, 12°; night, 9°; mostly clear
20
+11
+9
20 May, mon
+11
+9
Feels like
+4
738 mmHg
94%
7.1
m/s
E
Climate normal
+10
+8
20 May, Monday. day, 11°; night, 9°; partly cloudy
21
+12
+9
21 May, tue
+12
+9
Feels like
+4
730 mmHg
94%
9.6
m/s
S
Climate normal
+12
+7
21 May, Tuesday. day, 12°; night, 9°; light rain
22
+10
+4
22 May, wed
+10
+4
Feels like
+1
728 mmHg
91%
10.4
m/s
W
Climate normal
+12
+7
22 May, Wednesday. day, 10°; night, 4°; partly cloudy
23
+6
+5
23 May, thu
+6
+5
Feels like
−3
740 mmHg
67%
8.6
m/s
N
Climate normal
+14
+8
23 May, Thursday. day, 6°; night, 5°; light rain
24
+10
+8
24 May, fri
+10
+8
Feels like
+3
739 mmHg
57%
4.7
m/s
S
Climate normal
+12
+9
24 May, Friday. day, 10°; night, 8°; clear
25
+10
+11
25 May, sat
+10
+11
Feels like
+5
733 mmHg
95%
5.3
m/s
SW
Climate normal
+12
+8
25 May, Saturday. day, 10°; night, 11°; partly cloudy
Average for 30 days
12
sunny days
7
days with precipitation
11
cloudy days
12 sunny days; 7 days with precipitation; 11 cloudy days;
74
%
air humidity
5.3
m/s
Wind
E
20
mm of precipitation
(4% of annual average)
air humidity 74%; 20 millimeters of precipitation (4% of annual average); Wind easterly 5.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
NW
E
E
SW
W
NW
N
N
N
S
N
NE
NE
NE
NE
E
SW
SW
E
E
SE
S
SW
E
S
W
N
S
SW
26
Average data for 10 years
27
28
29
30
1
May
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Daytime temperature
Night-time temperature
