Measurements:
°C
°F
CURRENT WEATHER
09:26
Trondheim
42°F
NW 2 mph
Feels like: 42°F
Precip: 16%
World Resorts Norway Trondheim Weather

7 Day Weather Forecast

10.19
mon
DAY
44°F
N 2 mph
precip
14%
NIGHT
44°F
W 5 mph
precip
5%
10.20
tue
DAY
44°F
W 7 mph
precip
4%
NIGHT
42°F
W 9 mph
precip
6%
10.21
wed
DAY
50°F
W 15 mph
precip
17%
NIGHT
54°F
NW 16 mph
precip
18%
10.22
thu
DAY
54°F
W 14 mph
precip
21%
NIGHT
52°F
N 13 mph
precip
13%
10.23
fri
DAY
50°F
NW 12 mph
precip
4%
NIGHT
54°F
NW 20 mph
precip
15%
10.24
sat
DAY
54°F
NW 18 mph
precip
6%
NIGHT
50°F
NW 19 mph
precip
9%
10.25
sun
DAY
50°F
NW 12 mph
precip
4%
NIGHT
48°F
N 12 mph
precip
14%

Trondheim Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Trondheim was 10.6°F. The maximum and minimum values were 9.5°F and 11.8°F respectively.

Trondheim on the Weather Map

Best Time to Visit Trondheim
The most sunny months:
July 8 days
May 8 days
August 8 days
The most warm months:
July 64.8 °F
August 62.9 °F
June 59.8 °F
Warmest sea temperature:
July 60.4 °F
August 60.3 °F
September 55.5 °F
The most cold months:
January 24.1 °F
February 27.2 °F
December 27.4 °F
The most rainy months:
September 6 days
July 5 days
August 5 days
The most windy months:
January 8 mph
December 7 mph
March 7 mph
more details