Measurements:
°C
°F
Moncton
76°F
SE 4 mph
Feels like: 80°F
Precip: 58%
World Resorts Canada Moncton Weather

7 Day Weather Forecast

08.19
wed
DAY
76°F
SE 4 mph
precip
58%
NIGHT
66°F
NE 6 mph
precip
20%
08.20
thu
DAY
78°F
NE 4 mph
precip
13%
NIGHT
62°F
SE 5 mph
precip
88%
08.21
fri
DAY
72°F
SE 4 mph
precip
9%
NIGHT
62°F
S 4 mph
precip
28%
08.22
sat
DAY
74°F
SW 3 mph
precip
3%
NIGHT
60°F
NW 5 mph
precip
21%
08.23
sun
DAY
72°F
NW 9 mph
precip
13%
NIGHT
58°F
W 13 mph
precip
42%
08.24
mon
DAY
72°F
N 11 mph
precip
28%
NIGHT
62°F
NE 11 mph
precip
10%
08.25
tue
DAY
72°F
E 13 mph
precip
2%
NIGHT
62°F
NE 4 mph
precip
20%

Moncton Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Moncton was 17.7°F. The maximum and minimum values were 16.0°F and 19.5°F respectively.

Moncton on the Weather Map

Best Time to Visit Moncton
The most sunny months:
September 12 days
October 12 days
August 12 days
The most warm months:
July 76.2 °F
August 74.9 °F
June 67.5 °F
Warmest sea temperature:
August 66.7 °F
July 63.3 °F
September 63.0 °F
The most cold months:
February 21.7 °F
January 21.9 °F
March 29.9 °F
The most rainy months:
August 3 days
June 3 days
December 2 days
The most windy months:
November 13 mph
December 12 mph
March 12 mph