Measurements:
°C
°F
Thunder Bay
34°F
E 12 mph
Feels like: 24°F
Precip: 0%
World Resorts Canada Thunder Bay Weather

7 Day Weather Forecast

04.05
sat
DAY
34°F
SE 12 mph
precip
0%
NIGHT
28°F
SE 7 mph
precip
0%
04.06
sun
DAY
30°F
SE 9 mph
precip
0%
NIGHT
20°F
S 9 mph
precip
0%
04.07
mon
DAY
20°F
S 12 mph
precip
0%
NIGHT
16°F
S 6 mph
precip
0%
04.08
tue
DAY
22°F
SE 4 mph
precip
0%
NIGHT
22°F
N 4 mph
precip
0%
04.09
wed
DAY
28°F
NW 9 mph
precip
0%
NIGHT
28°F
SW 5 mph
precip
68%
04.10
thu
DAY
34°F
SW 4 mph
precip
0%
NIGHT
32°F
SE 2 mph
precip
0%
04.11
fri
DAY
36°F
SE 7 mph
precip
41%
NIGHT
32°F
SE 4 mph
precip
0%

Thunder Bay Sea Water Temperature in April, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
2
4
6
8

The average sea surface temperature in April 2024 for Thunder Bay was 1.8°F. The maximum and minimum values were 0.6°F and 3.1°F respectively.

Thunder Bay on the Weather Map

Best Time to Visit Thunder Bay
The most sunny months:
September 15 days
August 14 days
July 12 days
The most warm months:
July 71.4 °F
August 71.1 °F
June 64.2 °F
Warmest sea temperature:
August 65.0 °F
September 61.4 °F
July 60.3 °F
The most cold months:
February 10.3 °F
January 10.9 °F
December 19.5 °F
The most rainy months:
August 3 days
September 2 days
April 2 days
The most windy months:
November 9 mph
December 9 mph
April 9 mph