Chattanooga, Tennessee, United States Climate Change Severity

57
High
The current climate change severity in Chattanooga is High, with a 36.3% 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

Chattanooga 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), Chattanooga temperature has changed by around +9.02%, 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
3716
-56.7%
cloudyCloudy
4342
-2.3%
rainyRainy
10968
-37.6%
snowySnowy
21
-50%
mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 15 years, Chattanooga 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, Chattanooga experienced significant changes:

Temperature change of

+1.2 °C

Variation in annual rainfall

+65.2 %

Change in average humidity

-5.04 %

PM2.5 levels surged by

-24.01 %

Heatwave changed by

+7.4 day(s)

Coldwave changed by

-3.8 day(s)

Wind speeds changed by

+0.5 km/h

These indicators show that Chattanooga 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.

Chattanooga Weather Forecast 30 Days (August - September 2025)
Chattanooga, Tennessee, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 9, Aug.
sunnySunny
Temperature Icon34°/20°
Humidity Icon75%
Wind Icon11km/h
Sun. 10, Aug.
mistMist
Temperature Icon32°/20°
Humidity Icon75%
Wind Icon11km/h
Mon. 11, Aug.
moderate rainModerate rain
Temperature Icon30°/22°
Humidity Icon77%
Wind Icon12km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/20°
Humidity Icon87%
Wind Icon11km/h
Wed. 13, Aug.
moderate rainModerate rain
Temperature Icon25°/20°
Humidity Icon95%
Wind Icon5km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/20°
Humidity Icon82%
Wind Icon6km/h
Fri. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/21°
Humidity Icon78%
Wind Icon9km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon35°/22°
Humidity Icon70%
Wind Icon12km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/21°
Humidity Icon71%
Wind Icon10km/h
Mon. 18, Aug.
mistMist
Temperature Icon34°/21°
Humidity Icon79%
Wind Icon5km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/22°
Humidity Icon79%
Wind Icon11km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/20°
Humidity Icon78%
Wind Icon4km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/21°
Humidity Icon74%
Wind Icon7km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon34°/21°
Humidity Icon73%
Wind Icon17km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon71%
Wind Icon10km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon71%
Wind Icon10km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon71%
Wind Icon10km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon72%
Wind Icon9km/h
Wed. 27, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon29°/20°
Humidity Icon73%
Wind Icon10km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/20°
Humidity Icon75%
Wind Icon10km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon73%
Wind Icon11km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/20°
Humidity Icon74%
Wind Icon10km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon77%
Wind Icon11km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon78%
Wind Icon12km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon72%
Wind Icon11km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon73%
Wind Icon10km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon75%
Wind Icon10km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon77%
Wind Icon12km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/17°
Humidity Icon75%
Wind Icon11km/h
Sun. 7, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon28°/18°
Humidity Icon75%
Wind Icon9km/h
Mon. 8, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon27°/18°
Humidity Icon76%
Wind Icon9km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 16, Aug.

35.2°C

Low will be onSat. 6, Sep.

17.4°C

HumidityHumidity

High will be onWed. 13, Aug.

95%

Low will be onSat. 16, Aug.

70%

Wind SpeedWind Speed

High will be onFri. 22, Aug.

16.9km/h

Low will be onWed. 20, Aug.

4.3km/h

PrecipitationPrecipitation

High will be onFri. 5, Sep.

15.7mm

Low will be onSat. 16, Aug.

0.03mm

Ultraviolet IndexUV

High will be onSat. 16, Aug.

7

Low will be onWed. 13, Aug.

5

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