World Resorts Norway Trondheim Weather

Trondheim 14 Days Forecast

26.08
wed
Day
57°F
SW 2 mph
Precip.
16%
Night
59°F
NE 2 mph
Precip.
25%
27.08
thu
Day
63°F
SW 6 mph
Precip.
5%
Night
59°F
W 5 mph
Precip.
8%
28.08
fri
Day
66°F
NW 15 mph
Precip.
13%
Night
64°F
NW 9 mph
Precip.
14%
29.08
sat
Day
57°F
W 9 mph
Precip.
27%
Night
57°F
SW 4 mph
Precip.
28%
30.08
sun
Day
55°F
E 6 mph
Precip.
25%
Night
55°F
NE 1 mph
Precip.
17%
31.08
mon
Day
54°F
NW 2 mph
Precip.
23%
Night
54°F
NE 4 mph
Precip.
12%
01.09
tue
Day
52°F
E 4 mph
Precip.
47%
Night
50°F
NE 2 mph
Precip.
16%
02.09
wed
Day
54°F
SW 9 mph
Precip.
21%
Night
54°F
SE 7 mph
Precip.
53%
03.09
thu
Day
52°F
E 3 mph
Precip.
30%
Night
50°F
NE 6 mph
Precip.
11%
04.09
fri
Day
54°F
W 10 mph
Precip.
19%
Night
52°F
W 7 mph
Precip.
15%
05.09
sat
Day
50°F
N 2 mph
Precip.
50%
Night
50°F
SW 9 mph
Precip.
28%
06.09
sun
Day
54°F
SW 7 mph
Precip.
23%
Night
52°F
NE 1 mph
Precip.
31%
07.09
mon
Day
54°F
SW 5 mph
Precip.
10%
Night
54°F
SW 6 mph
Precip.
24%
08.09
tue
Day
52°F
NE 4 mph
Precip.
24%
Night
50°F
E 7 mph
Precip.
24%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 57.4°F. The highest and lowest sea temperatures during the month were 59.7°F and 55.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 56.0°F. The highest and lowest sea temperatures during the month were 59.4°F and 52.3°F.

Air temperature in Trondheim, °F

Precipitation total in Trondheim, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Trondheim

Sunniest months:
July 8 days
May 8 days
August 8 days
Warmest months:
July 63.4 °F
August 62.1 °F
June 58.8 °F
Warmest sea temp:
July 59.4 °F
August 59.3 °F
September 54.9 °F
Coldest months:
January 26.7 °F
February 29.5 °F
December 29.7 °F
Rainiest months:
September 6 days
July 5 days
August 5 days
Windiest months:
January 8.3 mph
December 8.0 mph
March 7.9 mph

Trondheim on a weather map

Current weather
01:24
Trondheim
+55°F
SW 3 mph
Feels like: +55°F
Precip.: 14%
Places in Norway:
Name
°F
Bergen
+59°F
Lillehammer
+61°F
Ålesund
+57°F
Oslo
+57°F
Stavanger
+63°F
Tromse
+45°F
Trondheim
+55°F
Flam
+54°F
Hemsedal
+57°F
Holmenkollen
+61°F
24 Hours Forecast
Trondheim
Local time: 01:24
August 26, wednesday
0300
54°F
W
3 mph
0600
54°F
W
3 mph
0900
54°F
SW
3 mph
1200
57°F
SW
2 mph
1500
59°F
NE
1 mph
1800
61°F
SW
1 mph
2100
59°F
E
0 mph
August 27, thursday
0000
59°F
NE
2 mph
Units of measurement: °C / °F