Wilton, California, United States Climate Change Severity

43
High
The current climate change severity in Wilton is High, with a -19.7% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Wilton 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), Wilton temperature has changed by around -2.3%, 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
10450
-51.9%
cloudyCloudy
4964
30.6%
rainyRainy
4230
-28.5%
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, Wilton has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (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

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Wilton experienced significant changes:

Temperature change of

-0.3 °C

Variation in annual rainfall

-5.9 %

Change in average humidity

+10.1 %

PM2.5 levels surged by

-7.4 %

Heatwave changed by

-6.8 day(s)

Coldwave changed by

-3.5 day(s)

Wind speeds changed by

+0.7 km/h

These indicators show improvement in key parametes of climate, but Wilton 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 Jul.

Wilton Weather Forecast 30 Days (August - September 2025)
Wilton, California, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 12, Aug.
sunnySunny
Temperature Icon38°/15°
Humidity Icon54%
Wind Icon17km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon35°/14°
Humidity Icon60%
Wind Icon18km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon37°/15°
Humidity Icon46%
Wind Icon14km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon39°/18°
Humidity Icon42%
Wind Icon14km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon35°/18°
Humidity Icon48%
Wind Icon18km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon35°/17°
Humidity Icon55%
Wind Icon18km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon35°/16°
Humidity Icon44%
Wind Icon15km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon36°/15°
Humidity Icon40%
Wind Icon13km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon41°/18°
Humidity Icon27%
Wind Icon12km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon43°/21°
Humidity Icon18%
Wind Icon13km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon42°/22°
Humidity Icon20%
Wind Icon18km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon36°/18°
Humidity Icon35%
Wind Icon18km/h
Sun. 24, Aug.
sunnySunny
Temperature Icon36°/15°
Humidity Icon36%
Wind Icon13km/h
Mon. 25, Aug.
sunnySunny
Temperature Icon35°/16°
Humidity Icon38%
Wind Icon15km/h
Tue. 26, Aug.
sunnySunny
Temperature Icon35°/17°
Humidity Icon42%
Wind Icon13km/h
Wed. 27, Aug.
sunnySunny
Temperature Icon36°/17°
Humidity Icon40%
Wind Icon12km/h
Thu. 28, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon36°/18°
Humidity Icon41%
Wind Icon13km/h
Fri. 29, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon34°/17°
Humidity Icon44%
Wind Icon12km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon34°/18°
Humidity Icon42%
Wind Icon11km/h
Sun. 31, Aug.
sunnySunny
Temperature Icon34°/17°
Humidity Icon42%
Wind Icon12km/h
Mon. 1, Sep.
sunnySunny
Temperature Icon35°/17°
Humidity Icon41%
Wind Icon12km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/18°
Humidity Icon41%
Wind Icon12km/h
Wed. 3, Sep.
sunnySunny
Temperature Icon35°/18°
Humidity Icon41%
Wind Icon11km/h
Thu. 4, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon35°/17°
Humidity Icon40%
Wind Icon10km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon35°/17°
Humidity Icon40%
Wind Icon11km/h
Sat. 6, Sep.
sunnySunny
Temperature Icon36°/18°
Humidity Icon35%
Wind Icon10km/h
Sun. 7, Sep.
sunnySunny
Temperature Icon36°/18°
Humidity Icon34%
Wind Icon12km/h
Mon. 8, Sep.
sunnySunny
Temperature Icon36°/18°
Humidity Icon37%
Wind Icon13km/h
Tue. 9, Sep.
sunnySunny
Temperature Icon36°/18°
Humidity Icon36%
Wind Icon12km/h
Wed. 10, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon35°/18°
Humidity Icon39%
Wind Icon11km/h
Thu. 11, Sep.
sunnySunny
Temperature Icon34°/18°
Humidity Icon41%
Wind Icon11km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 21, Aug.

43.1°C

Low will be onWed. 13, Aug.

13.7°C

HumidityHumidity

High will be onWed. 13, Aug.

60%

Low will be onThu. 21, Aug.

18%

Wind SpeedWind Speed

High will be onSat. 16, Aug.

18.4km/h

Low will be onThu. 4, Sep.

10.4km/h

PrecipitationPrecipitation

High will be onTue. 2, Sep.

1.7mm

Low will be onThu. 28, Aug.

0.1mm

Ultraviolet IndexUV

High will be onThu. 21, Aug.

8

Low will be onThu. 4, Sep.

5

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