Measurements:
°C
°F
CURRENT WEATHER
05:40
St. John's
30°F
SE 7 mph
Feels like: 22°F
Precip: 14%
World Resorts Canada St. John's Weather

7 Day Weather Forecast

10.19
mon
DAY
40°F
N 11 mph
precip
1%
NIGHT
36°F
NE 11 mph
precip
27%
10.20
tue
DAY
54°F
E 11 mph
precip
22%
NIGHT
42°F
S 9 mph
precip
27%
10.21
wed
DAY
40°F
S 9 mph
precip
20%
NIGHT
32°F
NW 5 mph
precip
31%
10.22
thu
DAY
46°F
N 11 mph
precip
22%
NIGHT
44°F
S 5 mph
precip
71%
10.23
fri
DAY
42°F
S 9 mph
precip
77%
NIGHT
36°F
SE 18 mph
precip
43%
10.24
sat
DAY
36°F
SE 14 mph
precip
5%
NIGHT
34°F
E 10 mph
precip
27%
10.25
sun
DAY
50°F
E 18 mph
precip
17%
NIGHT
44°F
E 18 mph
precip
20%

St. John's Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for St. John's was 10.6°F. The maximum and minimum values were 9.2°F and 11.5°F respectively.

St. John's on the Weather Map

Best Time to Visit St. John's
The most sunny months:
August 8 days
October 7 days
July 7 days
The most warm months:
August 67.9 °F
July 66.1 °F
September 61.0 °F
Warmest sea temperature:
August 59.9 °F
September 57.8 °F
July 53.0 °F
The most cold months:
February 25.7 °F
January 28.0 °F
March 29.7 °F
The most rainy months:
November 6 days
August 3 days
May 3 days
The most windy months:
February 16 mph
March 15 mph
January 15 mph
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