Marathonas, Attiki, Greece Climate Change Severity

67
Very High
The current climate change severity in Marathonas is Very High, with a 32.7% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Marathonas Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Marathonas temperature has changed by around +11.1%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Aug. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
102115
12.7%
cloudyCloudy
4226
-38.09%
rainyRainy
8268
-17.07%
snowySnowy
46
50%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Marathonas has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

67/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Marathonas experienced significant changes:

Temperature change of

+1.4 °C

Variation in annual rainfall

-6.6 %

Change in average humidity

-5.6 %

PM2.5 levels surged by

+61.3 %

Heatwave changed by

+30.9 day(s)

Coldwave changed by

+1.1 day(s)

Wind speeds changed by

-1.2 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Marathonas's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

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

Marathonas Weather Forecast 30 Days (September - October 2025)
Marathonas, Attiki, Greece

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 16, Sep.
sunnySunny
Temperature Icon27°/21°
Humidity Icon49%
Wind Icon16km/h
Wed. 17, Sep.
sunnySunny
Temperature Icon29°/20°
Humidity Icon42%
Wind Icon15km/h
Thu. 18, Sep.
sunnySunny
Temperature Icon23°/19°
Humidity Icon56%
Wind Icon26km/h
Fri. 19, Sep.
sunnySunny
Temperature Icon24°/18°
Humidity Icon52%
Wind Icon29km/h
Sat. 20, Sep.
sunnySunny
Temperature Icon24°/18°
Humidity Icon56%
Wind Icon34km/h
Sun. 21, Sep.
sunnySunny
Temperature Icon23°/18°
Humidity Icon65%
Wind Icon26km/h
Mon. 22, Sep.
sunnySunny
Temperature Icon25°/18°
Humidity Icon60%
Wind Icon17km/h
Tue. 23, Sep.
sunnySunny
Temperature Icon27°/18°
Humidity Icon52%
Wind Icon7km/h
Wed. 24, Sep.
sunnySunny
Temperature Icon29°/19°
Humidity Icon50%
Wind Icon12km/h
Thu. 25, Sep.
sunnySunny
Temperature Icon30°/19°
Humidity Icon46%
Wind Icon13km/h
Fri. 26, Sep.
sunnySunny
Temperature Icon28°/18°
Humidity Icon47%
Wind Icon14km/h
Sat. 27, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/15°
Humidity Icon68%
Wind Icon21km/h
Sun. 28, Sep.
sunnySunny
Temperature Icon23°/15°
Humidity Icon55%
Wind Icon9km/h
Mon. 29, Sep.
sunnySunny
Temperature Icon24°/16°
Humidity Icon50%
Wind Icon10km/h
Tue. 30, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon66%
Wind Icon18km/h
Wed. 1, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon64%
Wind Icon18km/h
Thu. 2, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon20°/15°
Humidity Icon66%
Wind Icon18km/h
Fri. 3, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon20°/15°
Humidity Icon66%
Wind Icon17km/h
Sat. 4, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon20°/14°
Humidity Icon69%
Wind Icon16km/h
Sun. 5, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon19°/14°
Humidity Icon66%
Wind Icon15km/h
Mon. 6, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon20°/14°
Humidity Icon65%
Wind Icon15km/h
Tue. 7, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon66%
Wind Icon18km/h
Wed. 8, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/14°
Humidity Icon67%
Wind Icon17km/h
Thu. 9, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon18°/14°
Humidity Icon69%
Wind Icon15km/h
Fri. 10, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon19°/14°
Humidity Icon70%
Wind Icon15km/h
Sat. 11, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/14°
Humidity Icon71%
Wind Icon17km/h
Sun. 12, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon19°/14°
Humidity Icon69%
Wind Icon16km/h
Mon. 13, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon19°/14°
Humidity Icon69%
Wind Icon15km/h
Tue. 14, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/14°
Humidity Icon71%
Wind Icon14km/h
Wed. 15, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/14°
Humidity Icon74%
Wind Icon15km/h
Thu. 16, Oct.
moderate rain at timesModerate rain at times
Temperature Icon20°/14°
Humidity Icon71%
Wind Icon17km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 25, Sep.

29.8°C

Low will be onThu. 9, Oct.

13.5°C

HumidityHumidity

High will be onWed. 15, Oct.

74%

Low will be onWed. 17, Sep.

42%

Wind SpeedWind Speed

High will be onSat. 20, Sep.

34.2km/h

Low will be onTue. 23, Sep.

6.8km/h

PrecipitationPrecipitation

High will be onTue. 14, Oct.

3.6mm

Low will be onSun. 21, Sep.

0.02mm

Ultraviolet IndexUV

High will be onMon. 22, Sep.

6

Low will be onThu. 18, Sep.

1.2

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