06.04
sun
sun
Day

32°F
SE 7 mph
Precip.
0%
0%
Night

23°F
S 10 mph
Precip.
0%
0%
07.04
mon
mon
Day

23°F
S 12 mph
Precip.
0%
0%
Night

21°F
S 7 mph
Precip.
0%
0%
08.04
tue
tue
Day

28°F
S 6 mph
Precip.
0%
0%
Night

25°F
N 4 mph
Precip.
0%
0%
09.04
wed
wed
Day

28°F
NW 9 mph
Precip.
0%
0%
Night

28°F
W 5 mph
Precip.
0%
0%
10.04
thu
thu
Day

37°F
E 3 mph
Precip.
0%
0%
Night

32°F
NW 0 mph
Precip.
0%
0%
11.04
fri
fri
Day

36°F
SE 7 mph
Precip.
83%
83%
Night

34°F
NE 2 mph
Precip.
0%
0%
12.04
sat
sat
Day

41°F
N 6 mph
Precip.
0%
0%
Night

34°F
N 2 mph
Precip.
0%
0%
13.04
sun
sun
Day

43°F
NW 5 mph
Precip.
0%
0%
Night

37°F
W 4 mph
Precip.
0%
0%
14.04
mon
mon
Day

46°F
N 9 mph
Precip.
0%
0%
Night

50°F
NE 7 mph
Precip.
0%
0%
15.04
tue
tue
Day

46°F
SE 14 mph
Precip.
0%
0%
Night

46°F
E 8 mph
Precip.
0%
0%
16.04
wed
wed
Day

46°F
E 4 mph
Precip.
100%
100%
Night

43°F
N 1 mph
Precip.
0%
0%
17.04
thu
thu
Day

46°F
NW 5 mph
Precip.
0%
0%
Night

41°F
NW 3 mph
Precip.
25%
25%
18.04
fri
fri
Day

43°F
NW 4 mph
Precip.
0%
0%
Night

36°F
SE 14 mph
Precip.
100%
100%
sea water
temperature
temperature
Thunder Bay |
monthly
weather
weather
Thunder Bay |
current
weather
weather
Thunder Bay |
7 days
forecast
forecast
Thunder Bay |
Sea water temperature in April, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
28
30
32
34
36
38
40
42
The average sea water temperature in April of 2024 was 35.2°F. The highest and lowest sea temperatures during the month were 37.6°F and 33.1°F.
Air temperature in Thunder Bay, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
88
22.5
34.5
48.2
62.7
68.9
69.3
62.8
52.2
36.7
27.5
14.2
14.8
20.6
31.3
42.6
53.4
59.2
58.5
52.5
42.6
31.0
21.5
9.3
10.8
Day temperature | Night temperature |
Precipitation total in Thunder Bay, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.4
0.7
0.9
1.1
1.3
1.6
0.6
0.6
0.7
0.8
1.2
0.9
1.1
0.7
1.3
0.6
0.3
0.3
* Charts above show average data for the last 3 years.
Best time for vacation in Thunder Bay
Thunder Bay on a weather map
Leaflet | Tiles © Esri
Places in Canada:
Name
°F
24 Hours Forecast
Thunder Bay
Local time: 01:34
April 06, sunday
0300

28°F
E
5 mph
5 mph
0600

28°F
E
5 mph
5 mph
0900

30°F
SE
6 mph
6 mph
1200

32°F
SE
7 mph
7 mph
1500

36°F
SE
8 mph
8 mph
1800

32°F
SE
11 mph
11 mph
2100

28°F
S
11 mph
11 mph
April 07, monday
0000

23°F
S
10 mph
10 mph