Chilmark, Massachusetts, United States Climate Change Severity

57
High
The current climate change severity in Chilmark is High, with a 28.3% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Chilmark 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), Chilmark temperature has changed by around +0.7%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
3924
-38.4%
cloudyCloudy
5835
-39.6%
rainyRainy
8061
-23.7%
snowySnowy
30
-100%
mistyMisty
06
100%

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

Climate Change Indicators:

Over the past 15 years, Chilmark has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (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

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Chilmark experienced significant changes:

Temperature change of

+0.07 °C

Variation in annual rainfall

+47.6 %

Change in average humidity

-4.1 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-5.5 day(s)

Coldwave changed by

-7.7 day(s)

Wind speeds changed by

+4.7 km/h

These indicators show that Chilmark 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 Jul.

Chilmark Weather Forecast 30 Days (August - September 2025)
Chilmark, Massachusetts, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 10, Aug.
overcastOvercast
Temperature Icon23°/17°
Humidity Icon93%
Wind Icon21km/h
Mon. 11, Aug.
overcastOvercast
Temperature Icon23°/18°
Humidity Icon91%
Wind Icon28km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon28°/21°
Humidity Icon79%
Wind Icon28km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/22°
Humidity Icon87%
Wind Icon30km/h
Thu. 14, Aug.
partly cloudyPartly Cloudy
Temperature Icon25°/22°
Humidity Icon86%
Wind Icon26km/h
Fri. 15, Aug.
partly cloudyPartly Cloudy
Temperature Icon23°/21°
Humidity Icon87%
Wind Icon23km/h
Sat. 16, Aug.
partly cloudyPartly Cloudy
Temperature Icon24°/21°
Humidity Icon91%
Wind Icon21km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/22°
Humidity Icon92%
Wind Icon30km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/21°
Humidity Icon81%
Wind Icon30km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon19°/18°
Humidity Icon58%
Wind Icon36km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon18°/17°
Humidity Icon56%
Wind Icon33km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon20°/18°
Humidity Icon60%
Wind Icon41km/h
Fri. 22, Aug.
partly cloudyPartly Cloudy
Temperature Icon20°/19°
Humidity Icon69%
Wind Icon52km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon78%
Wind Icon25km/h
Sun. 24, Aug.
moderate rain at timesModerate rain at times
Temperature Icon23°/20°
Humidity Icon77%
Wind Icon21km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/21°
Humidity Icon79%
Wind Icon23km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon77%
Wind Icon25km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon77%
Wind Icon21km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon79%
Wind Icon24km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon79%
Wind Icon23km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon78%
Wind Icon24km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon23°/21°
Humidity Icon76%
Wind Icon22km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/20°
Humidity Icon74%
Wind Icon22km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/19°
Humidity Icon77%
Wind Icon22km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/19°
Humidity Icon81%
Wind Icon22km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon78%
Wind Icon24km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/20°
Humidity Icon78%
Wind Icon25km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/19°
Humidity Icon79%
Wind Icon25km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/19°
Humidity Icon80%
Wind Icon24km/h
Mon. 8, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon22°/19°
Humidity Icon80%
Wind Icon23km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/19°
Humidity Icon77%
Wind Icon22km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 12, Aug.

27.7°C

Low will be onSun. 10, Aug.

16.8°C

HumidityHumidity

High will be onSun. 10, Aug.

93%

Low will be onWed. 20, Aug.

56%

Wind SpeedWind Speed

High will be onFri. 22, Aug.

52.2km/h

Low will be onSun. 10, Aug.

20.5km/h

PrecipitationPrecipitation

High will be onFri. 29, Aug.

14.7mm

Low will be onThu. 14, Aug.

0.08mm

Ultraviolet IndexUV

High will be onThu. 14, Aug.

6

Low will be onWed. 13, Aug.

0.2

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