Harstad, Troms, Norway Climate Change Severity

43
High
The current climate change severity in Harstad is High, with a 0.2% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Sep. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Harstad Weather Condition Changes (Historic Vs 2026)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Harstad temperature has changed by around -9.4%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Sep. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
2736
33.3%

cloudyCloudy
5028
-44%

rainyRainy
144106
-26.3%

snowySnowy
2052
160%

mistyMisty
01
100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Harstad has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

43/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Harstad experienced significant changes:

Temperature change of

-0.43 °C


Variation in annual rainfall

+14.14 %


Change in average humidity

+2.48 %


PM2.5 levels surged by

-2.24 %


Heatwave changed by

-13 Days


Coldwave changed by

-9 Days


Wind speeds changed by

+1 km/h


These indicators show that Harstad is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Sep.

Harstad Weather Forecast 30 Days (October - November 2026)
Harstad, Troms, Norway


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 2, Oct.
sunnySunny

Temperature Icon12°/9°

Humidity Icon81%

Wind Icon16.6km/h
Sat. 3, Oct.
overcastOvercast

Temperature Icon12°/8°

Humidity Icon84%

Wind Icon43.2km/h
Sun. 4, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon9°/7°

Humidity Icon81%

Wind Icon34.9km/h
Mon. 5, Oct.
light rain showerRain Shower

Temperature Icon8°/7°

Humidity Icon88%

Wind Icon25.2km/h
Tue. 6, Oct.
light rain showerRain Shower

Temperature Icon8°/3°

Humidity Icon86%

Wind Icon26.6km/h
Wed. 7, Oct.
light sleet showersSleet Showers

Temperature Icon3°/2°

Humidity Icon93%

Wind Icon14.8km/h
Thu. 8, Oct.
light rain showerRain Shower

Temperature Icon4°/2°

Humidity Icon92%

Wind Icon11.2km/h
Fri. 9, Oct.
moderate or heavy snow showersSnow Showers

Temperature Icon4°/2°

Humidity Icon82%

Wind Icon10.8km/h
Sat. 10, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon7°/3°

Humidity Icon79%

Wind Icon15.5km/h
Sun. 11, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon7°/4°

Humidity Icon81%

Wind Icon17.3km/h
Mon. 12, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon6°/4°

Humidity Icon81%

Wind Icon17.2km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon6°/3°

Humidity Icon78%

Wind Icon15.6km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon6°/3°

Humidity Icon80%

Wind Icon18.5km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon6°/3°

Humidity Icon80%

Wind Icon19.6km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon6°/3°

Humidity Icon81%

Wind Icon17.8km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon6°/3°

Humidity Icon78%

Wind Icon16.9km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon6°/3°

Humidity Icon80%

Wind Icon17.6km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon5°/2°

Humidity Icon78%

Wind Icon16.4km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon74%

Wind Icon16km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon77%

Wind Icon16.1km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon77%

Wind Icon16.8km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon78%

Wind Icon16.4km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon76%

Wind Icon16.3km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon76%

Wind Icon16km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon77%

Wind Icon16.1km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon77%

Wind Icon15.3km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon4°/1°

Humidity Icon80%

Wind Icon18.2km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon3°/0°

Humidity Icon80%

Wind Icon17.6km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon3°/-1°

Humidity Icon79%

Wind Icon18.1km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon3°/0°

Humidity Icon81%

Wind Icon15.8km/h
Sun. 1, Nov.
moderate or heavy rain showerRain Showers

Temperature Icon4°/0°

Humidity Icon78%

Wind Icon18.7km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 2, Oct.

12°C


Low will be onFri. 30, Oct.

-1°C

HumidityHumidity

High will be onWed. 7, Oct.

93%


Low will be onTue. 20, Oct.

74%

Wind SpeedWind Speed

High will be onSat. 3, Oct.

43.2km/h


Low will be onFri. 9, Oct.

10.8km/h

PrecipitationPrecipitation

High will be onMon. 5, Oct.

47.3mm


Low will be onFri. 2, Oct.

1.1mm

Ultraviolet IndexUV

High will be onFri. 9, Oct.

2


Low will be onMon. 5, Oct.

0.1