17.05
sun
sun
Day
55°F
N 9 mph
Precip.
100%
100%
Night
37°F
N 4 mph
Precip.
0%
0%
18.05
mon
mon
Day
57°F
NW 5 mph
Precip.
72%
72%
Night
45°F
SW 2 mph
Precip.
0%
0%
19.05
tue
tue
Day
61°F
N 7 mph
Precip.
100%
100%
Night
46°F
SE 2 mph
Precip.
0%
0%
20.05
wed
wed
Day
59°F
NW 6 mph
Precip.
100%
100%
Night
50°F
NW 2 mph
Precip.
100%
100%
21.05
thu
thu
Day
54°F
N 2 mph
Precip.
71%
71%
Night
46°F
SE 3 mph
Precip.
0%
0%
22.05
fri
fri
Day
64°F
N 4 mph
Precip.
0%
0%
Night
46°F
N 2 mph
Precip.
0%
0%
23.05
sat
sat
Day
54°F
S 1 mph
Precip.
100%
100%
Night
48°F
S 2 mph
Precip.
0%
0%
24.05
sun
sun
Day
66°F
N 6 mph
Precip.
0%
0%
Night
52°F
N 6 mph
Precip.
0%
0%
25.05
mon
mon
Day
70°F
N 6 mph
Precip.
0%
0%
Night
50°F
N 3 mph
Precip.
0%
0%
26.05
tue
tue
Day
70°F
N 7 mph
Precip.
0%
0%
Night
54°F
W 1 mph
Precip.
0%
0%
27.05
wed
wed
Day
77°F
W 6 mph
Precip.
0%
0%
Night
61°F
N 2 mph
Precip.
100%
100%
28.05
thu
thu
Day
70°F
N 6 mph
Precip.
83%
83%
Night
57°F
N 5 mph
Precip.
0%
0%
29.05
fri
fri
Day
72°F
N 6 mph
Precip.
0%
0%
Night
64°F
N 5 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 49.2°F. The highest and lowest sea temperatures during the month were 50.0°F and 48.6°F.
Air temperature in Oslo, °F
Precipitation total in Oslo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Oslo
Oslo on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Oslo
Local time: 00:24
May 17, sunday
0300
41°F
SE
1 mph
1 mph
0600
43°F
N
1 mph
1 mph
0900
48°F
N
6 mph
6 mph
1200
55°F
N
9 mph
9 mph
1500
55°F
N
10 mph
10 mph
1800
54°F
N
11 mph
11 mph
2100
46°F
N
8 mph
8 mph
May 18, monday
0000
37°F
N
4 mph
4 mph
