Cosham, Portsmouth, United Kingdom Climate Change Severity

48
High
The current climate change severity in Cosham is High, with a 3.5% 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 Jun. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Cosham 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), Cosham temperature has changed by around +4.007%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
2130
42.8%
cloudyCloudy
4334
-20.9%
rainyRainy
8564
-24.7%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Cosham has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Cosham experienced significant changes:

Temperature change of

+0.3 °C

Variation in annual rainfall

-24.8 %

Change in average humidity

-2.4 %

PM2.5 levels surged by

+61.2 %

Heatwave changed by

-4.2 day(s)

Coldwave changed by

-3.8 day(s)

Wind speeds changed by

-0.3 km/h

These indicators show that Cosham 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 Jun.

Cosham Weather Forecast 30 Days (July - August 2025)
Cosham, Portsmouth, United Kingdom

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 29, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/14°
Humidity Icon83%
Wind Icon17km/h
Wed. 30, Jul.
partly cloudyPartly Cloudy
Temperature Icon22°/15°
Humidity Icon75%
Wind Icon24km/h
Thu. 31, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/15°
Humidity Icon76%
Wind Icon24km/h
Fri. 1, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/13°
Humidity Icon66%
Wind Icon24km/h
Sat. 2, Aug.
partly cloudyPartly Cloudy
Temperature Icon20°/12°
Humidity Icon66%
Wind Icon21km/h
Sun. 3, Aug.
sunnySunny
Temperature Icon22°/14°
Humidity Icon63%
Wind Icon26km/h
Mon. 4, Aug.
partly cloudyPartly Cloudy
Temperature Icon22°/16°
Humidity Icon80%
Wind Icon39km/h
Tue. 5, Aug.
cloudyCloudy
Temperature Icon20°/13°
Humidity Icon60%
Wind Icon19km/h
Wed. 6, Aug.
partly cloudyPartly Cloudy
Temperature Icon21°/17°
Humidity Icon56%
Wind Icon18km/h
Thu. 7, Aug.
sunnySunny
Temperature Icon21°/13°
Humidity Icon64%
Wind Icon23km/h
Fri. 8, Aug.
partly cloudyPartly Cloudy
Temperature Icon21°/16°
Humidity Icon79%
Wind Icon27km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon21°/13°
Humidity Icon68%
Wind Icon37km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon22°/12°
Humidity Icon62%
Wind Icon21km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon23°/15°
Humidity Icon55%
Wind Icon12km/h
Tue. 12, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/16°
Humidity Icon79%
Wind Icon25km/h
Wed. 13, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon80%
Wind Icon23km/h
Thu. 14, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon82%
Wind Icon22km/h
Fri. 15, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon20°/15°
Humidity Icon81%
Wind Icon23km/h
Sat. 16, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon80%
Wind Icon23km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon80%
Wind Icon26km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon80%
Wind Icon25km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon81%
Wind Icon26km/h
Wed. 20, Aug.
moderate rain at timesModerate rain at times
Temperature Icon19°/15°
Humidity Icon80%
Wind Icon24km/h
Thu. 21, Aug.
moderate rain at timesModerate rain at times
Temperature Icon20°/15°
Humidity Icon81%
Wind Icon25km/h
Fri. 22, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon20°/15°
Humidity Icon80%
Wind Icon25km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon79%
Wind Icon23km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon77%
Wind Icon22km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon79%
Wind Icon26km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon79%
Wind Icon27km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon77%
Wind Icon23km/h
Thu. 28, Aug.
moderate rain at timesModerate rain at times
Temperature Icon20°/14°
Humidity Icon78%
Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 11, Aug.

23°C

Low will be onSat. 2, Aug.

12.3°C

HumidityHumidity

High will be onTue. 29, Jul.

83%

Low will be onMon. 11, Aug.

55%

Wind SpeedWind Speed

High will be onMon. 4, Aug.

38.9km/h

Low will be onMon. 11, Aug.

12.2km/h

PrecipitationPrecipitation

High will be onMon. 25, Aug.

5.4mm

Low will be onWed. 6, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSun. 3, Aug.

5

Low will be onTue. 29, Jul.

0.5

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