28.06
sun
sun
Day
82°F
W 17 mph
Precip.
20%
20%
Night
81°F
W 17 mph
Precip.
13%
13%
29.06
mon
mon
Day
82°F
W 18 mph
Precip.
22%
22%
Night
81°F
W 18 mph
Precip.
22%
22%
30.06
tue
tue
Day
82°F
W 17 mph
Precip.
14%
14%
Night
81°F
W 16 mph
Precip.
18%
18%
01.07
wed
wed
Day
81°F
W 17 mph
Precip.
19%
19%
Night
79°F
W 15 mph
Precip.
33%
33%
02.07
thu
thu
Day
81°F
NW 17 mph
Precip.
17%
17%
Night
81°F
W 17 mph
Precip.
14%
14%
03.07
fri
fri
Day
82°F
W 15 mph
Precip.
10%
10%
Night
81°F
W 17 mph
Precip.
13%
13%
04.07
sat
sat
Day
82°F
W 17 mph
Precip.
24%
24%
Night
82°F
W 19 mph
Precip.
12%
12%
sea water
temperature
temperature
| St John's |
monthly
weather
weather
| St John's |
current
weather
weather
| St John's |
14 days
forecast
forecast
| St John's |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 82.5°F. The highest and lowest sea temperatures during the month were 82.9°F and 81.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 83.3°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.2°F.
Air temperature in St John's, °F
Precipitation total in St John's, in.
* Charts above show average data for the last 3 years.
Best time for vacation in St John's
St John's on a weather map
24 Hours Forecast
St John's
Local time: 10:23
June 28, sunday
1200
82°F
W
17 mph
17 mph
1500
82°F
W
16 mph
16 mph
1800
81°F
W
14 mph
14 mph
2100
81°F
W
16 mph
16 mph
June 29, monday
0000
81°F
W
17 mph
17 mph
0300
81°F
W
16 mph
16 mph
0600
81°F
W
19 mph
19 mph
0900
81°F
W
17 mph
17 mph
