18.04
sat
sat
Day
48°F
SW 6 mph
Precip.
0%
0%
Night
43°F
NW 4 mph
Precip.
0%
0%
19.04
sun
sun
Day
48°F
W 6 mph
Precip.
0%
0%
Night
43°F
W 15 mph
Precip.
0%
0%
20.04
mon
mon
Day
43°F
SW 15 mph
Precip.
0%
0%
Night
39°F
SW 11 mph
Precip.
0%
0%
21.04
tue
tue
Day
48°F
S 7 mph
Precip.
0%
0%
Night
39°F
S 6 mph
Precip.
0%
0%
22.04
wed
wed
Day
54°F
SE 11 mph
Precip.
0%
0%
Night
46°F
S 12 mph
Precip.
0%
0%
23.04
thu
thu
Day
41°F
NW 17 mph
Precip.
81%
81%
Night
37°F
S 13 mph
Precip.
0%
0%
24.04
fri
fri
Day
39°F
SW 16 mph
Precip.
100%
100%
Night
39°F
SE 4 mph
Precip.
41%
41%
25.04
sat
sat
Day
45°F
SW 6 mph
Precip.
0%
0%
Night
41°F
S 14 mph
Precip.
100%
100%
26.04
sun
sun
Day
48°F
S 9 mph
Precip.
0%
0%
Night
39°F
N 7 mph
Precip.
0%
0%
27.04
mon
mon
Day
46°F
E 17 mph
Precip.
65%
65%
Night
41°F
NE 11 mph
Precip.
0%
0%
28.04
tue
tue
Day
39°F
SE 15 mph
Precip.
100%
100%
Night
41°F
NW 12 mph
Precip.
100%
100%
29.04
wed
wed
Day
50°F
SE 14 mph
Precip.
0%
0%
Night
45°F
SW 13 mph
Precip.
0%
0%
30.04
thu
thu
Day
52°F
NE 11 mph
Precip.
0%
0%
Night
39°F
SE 4 mph
Precip.
0%
0%
01.05
fri
fri
Day
48°F
S 6 mph
Precip.
0%
0%
Night
46°F
SE 6 mph
Precip.
0%
0%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 39.5°F. The highest and lowest sea temperatures during the month were 42.3°F and 37.9°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 49.5°F. The highest and lowest sea temperatures during the month were 53.4°F and 46.8°F.
Air temperature in Gdynia, °F
Precipitation total in Gdynia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Gdynia
Gdynia on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Gdynia
Local time: 20:00
April 18, saturday
2100
43°F
W
4 mph
4 mph
April 19, sunday
0000
43°F
NW
4 mph
4 mph
0300
43°F
NW
4 mph
4 mph
0600
43°F
NW
3 mph
3 mph
0900
46°F
SW
3 mph
3 mph
1200
48°F
W
6 mph
6 mph
1500
48°F
SW
8 mph
8 mph
1800
46°F
SW
14 mph
14 mph
