Chelan, Washington, United States Climate Change Severity

52
High
The current climate change severity in Chelan is High, with a 4.4% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Chelan 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), Chelan temperature has changed by around -2.3%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
10573
-30.4%
cloudyCloudy
8577
-9.4%
rainyRainy
6740
-40.2%
snowySnowy
109
-10%
mistyMisty
09
100%

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

Climate Change Indicators:

Over the past 15 years, Chelan has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (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

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Chelan experienced significant changes:

Temperature change of

-0.2 °C

Variation in annual rainfall

+31.8 %

Change in average humidity

+2.6 %

PM2.5 levels surged by

-29.2 %

Heatwave changed by

-6.4 day(s)

Coldwave changed by

-9.7 day(s)

Wind speeds changed by

+0.5 km/h

These indicators show that Chelan 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 Oct.

Chelan Weather Forecast 30 Days (November - December 2025)
Chelan, Washington, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 2, Nov.
sunnySunny
Temperature Icon12°/0°
Humidity Icon61%
Wind Icon16km/h
Mon. 3, Nov.
partly cloudyPartly Cloudy
Temperature Icon9°/-2°
Humidity Icon73%
Wind Icon6km/h
Tue. 4, Nov.
cloudyCloudy
Temperature Icon5°/0°
Humidity Icon76%
Wind Icon8km/h
Wed. 5, Nov.
moderate rainModerate rain
Temperature Icon5°/0°
Humidity Icon92%
Wind Icon9km/h
Thu. 6, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon9°/2°
Humidity Icon82%
Wind Icon19km/h
Fri. 7, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/1°
Humidity Icon79%
Wind Icon26km/h
Sat. 8, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon86%
Wind Icon13km/h
Sun. 9, Nov.
mistMist
Temperature Icon3°/-6°
Humidity Icon96%
Wind Icon9km/h
Mon. 10, Nov.
partly cloudyPartly Cloudy
Temperature Icon1°/-7°
Humidity Icon90%
Wind Icon6km/h
Tue. 11, Nov.
heavy snowHeavy snow
Temperature Icon1°/0°
Humidity Icon99%
Wind Icon7km/h
Wed. 12, Nov.
fogFog
Temperature Icon2°/0°
Humidity Icon98%
Wind Icon4km/h
Thu. 13, Nov.
mistMist
Temperature Icon3°/-2°
Humidity Icon97%
Wind Icon3km/h
Fri. 14, Nov.
fogFog
Temperature Icon2°/-1°
Humidity Icon99%
Wind Icon5km/h
Sat. 15, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/-3°
Humidity Icon92%
Wind Icon7km/h
Sun. 16, Nov.
moderate snowModerate snow
Temperature Icon4°/-2°
Humidity Icon77%
Wind Icon12km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/-2°
Humidity Icon80%
Wind Icon13km/h
Tue. 18, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon81%
Wind Icon10km/h
Wed. 19, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-3°
Humidity Icon80%
Wind Icon11km/h
Thu. 20, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-3°
Humidity Icon79%
Wind Icon11km/h
Fri. 21, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon81%
Wind Icon8km/h
Sun. 23, Nov.
moderate snowModerate snow
Temperature Icon3°/-2°
Humidity Icon82%
Wind Icon12km/h
Mon. 24, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon81%
Wind Icon11km/h
Tue. 25, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon82%
Wind Icon10km/h
Wed. 26, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-3°
Humidity Icon83%
Wind Icon9km/h
Thu. 27, Nov.
moderate snowModerate snow
Temperature Icon3°/-2°
Humidity Icon82%
Wind Icon12km/h
Fri. 28, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-3°
Humidity Icon83%
Wind Icon10km/h
Sat. 29, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon1°/-4°
Humidity Icon84%
Wind Icon9km/h
Sun. 30, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-4°
Humidity Icon85%
Wind Icon9km/h
Mon. 1, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-4°
Humidity Icon82%
Wind Icon9km/h
Tue. 2, Dec.
moderate snowModerate snow
Temperature Icon1°/-5°
Humidity Icon82%
Wind Icon12km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 2, Nov.

11.5°C

Low will be onMon. 10, Nov.

-6.9°C

HumidityHumidity

High will be onTue. 11, Nov.

99%

Low will be onSun. 2, Nov.

61%

Wind SpeedWind Speed

High will be onFri. 7, Nov.

25.9km/h

Low will be onThu. 13, Nov.

3.2km/h

PrecipitationPrecipitation

High will be onWed. 5, Nov.

17.05mm

Low will be onMon. 10, Nov.

0.02mm

Ultraviolet IndexUV

High will be onMon. 10, Nov.

2

Low will be onThu. 6, Nov.

1