Chatham, Ontario, Canada Climate Change Severity

48
High
The current climate change severity in Chatham is High, with a 3.7% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jun. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Chatham Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Chatham temperature has changed by around +8.8%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
2049
145%
cloudyCloudy
4413
-70.4%
rainyRainy
6949
-28.9%
snowySnowy
85
-37.5%
mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 16 years, Chatham has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Chatham experienced significant changes:

Temperature change of

+0.53 °C

Variation in annual rainfall

-22.41 %

Change in average humidity

-6.48 %

PM2.5 levels surged by

-14.85 %

Heatwave changed by

+3 Days

Coldwave changed by

-2 Days

Wind speeds changed by

+1.93 km/h

These indicators show improvement in key parametes of climate, but Chatham remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

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

Chatham Weather Forecast 30 Days (July - August 2026)
Chatham, Ontario, Canada

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 30, Jul.
sunnySunny
Temperature Icon30°/16°
Humidity Icon62%
Wind Icon15.1km/h
Fri. 31, Jul.
sunnySunny
Temperature Icon29°/18°
Humidity Icon65%
Wind Icon14.4km/h
Sat. 1, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/18°
Humidity Icon84%
Wind Icon16.9km/h
Sun. 2, Aug.
sunnySunny
Temperature Icon24°/16°
Humidity Icon79%
Wind Icon26.3km/h
Mon. 3, Aug.
sunnySunny
Temperature Icon26°/13°
Humidity Icon66%
Wind Icon13.3km/h
Tue. 4, Aug.
sunnySunny
Temperature Icon29°/18°
Humidity Icon58%
Wind Icon13.7km/h
Wed. 5, Aug.
sunnySunny
Temperature Icon30°/18°
Humidity Icon55%
Wind Icon14.8km/h
Thu. 6, Aug.
light rain showerRain Shower
Temperature Icon29°/22°
Humidity Icon78%
Wind Icon19.4km/h
Fri. 7, Aug.
heavy rain at timesHeavy Rain
Temperature Icon26°/18°
Humidity Icon77%
Wind Icon16.2km/h
Sat. 8, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon79%
Wind Icon17.7km/h
Sun. 9, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/19°
Humidity Icon77%
Wind Icon18.2km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/19°
Humidity Icon78%
Wind Icon17.4km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon79%
Wind Icon18.8km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/19°
Humidity Icon78%
Wind Icon17.5km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon76%
Wind Icon16.5km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/18°
Humidity Icon77%
Wind Icon16.6km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon77%
Wind Icon15.6km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon78%
Wind Icon19.2km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/19°
Humidity Icon79%
Wind Icon18km/h
Tue. 18, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/18°
Humidity Icon78%
Wind Icon17km/h
Wed. 19, Aug.
moderate rain at timesRain
Temperature Icon26°/17°
Humidity Icon74%
Wind Icon16.5km/h
Thu. 20, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/18°
Humidity Icon78%
Wind Icon19.7km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/18°
Humidity Icon77%
Wind Icon18.1km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon24°/17°
Humidity Icon76%
Wind Icon17.5km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/17°
Humidity Icon75%
Wind Icon16.6km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon75%
Wind Icon18.6km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/18°
Humidity Icon76%
Wind Icon17.7km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/17°
Humidity Icon77%
Wind Icon18km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/17°
Humidity Icon77%
Wind Icon17.5km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/17°
Humidity Icon80%
Wind Icon19.3km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/17°
Humidity Icon78%
Wind Icon18.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 30, Jul.

30°C

Low will be onMon. 3, Aug.

13°C

HumidityHumidity

High will be onSat. 1, Aug.

84%

Low will be onWed. 5, Aug.

55%

Wind SpeedWind Speed

High will be onSun. 2, Aug.

26.3km/h

Low will be onMon. 3, Aug.

13.3km/h

PrecipitationPrecipitation

High will be onFri. 28, Aug.

6.8mm

Low will be onWed. 5, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 5, Aug.

8

Low will be onSat. 1, Aug.

1.5

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