Measurements:
°C
°F
CURRENT WEATHER
04:14
Summerside
42°F
N 14 mph
Feels like: 34°F
Precip: 9%
World Resorts Canada Summerside Weather

7 Day Weather Forecast

10.19
mon
DAY
50°F
NE 24 mph
precip
4%
NIGHT
48°F
NE 15 mph
precip
26%
10.20
tue
DAY
52°F
S 16 mph
precip
19%
NIGHT
46°F
SW 16 mph
precip
10%
10.21
wed
DAY
48°F
SW 13 mph
precip
5%
NIGHT
40°F
NW 5 mph
precip
10%
10.22
thu
DAY
46°F
E 3 mph
precip
27%
NIGHT
44°F
SE 14 mph
precip
18%
10.23
fri
DAY
42°F
S 21 mph
precip
29%
NIGHT
38°F
S 14 mph
precip
4%
10.24
sat
DAY
44°F
E 14 mph
precip
2%
NIGHT
44°F
E 14 mph
precip
5%
10.25
sun
DAY
48°F
NE 20 mph
precip
12%
NIGHT
48°F
NE 22 mph
precip
7%

Summerside Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Summerside was 13.7°F. The maximum and minimum values were 11.4°F and 16.0°F respectively.

Summerside on the Weather Map

Best Time to Visit Summerside
The most sunny months:
August 12 days
May 10 days
July 10 days
The most warm months:
August 73.8 °F
July 73.2 °F
September 65.1 °F
Warmest sea temperature:
August 72.6 °F
July 70.7 °F
September 66.7 °F
The most cold months:
February 20.5 °F
January 21.6 °F
March 29.0 °F
The most rainy months:
August 3 days
June 3 days
September 3 days
The most windy months:
November 16 mph
December 16 mph
January 14 mph
more details