Aspen, Colorado, United States Climate Change Severity

57
High
The current climate change severity in Aspen is High, with a 18.2% 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 Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Aspen Weather Condition Changes (Historic Vs 2025)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Aspen temperature has changed by around +20.4%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
6549
-24.6%

cloudyCloudy
5957
-3.3%

rainyRainy
11058
-47.2%

snowySnowy
2119
-9.5%

mistyMisty
00
0%

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

Climate Change Indicators:

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

Temperature change of

+1.04 °C


Variation in annual rainfall

+47.1 %


Change in average humidity

-20.2 %


PM2.5 levels surged by

-15.7 %


Heatwave changed by

+4.8 day(s)


Coldwave changed by

-0.3 day(s)


Wind speeds changed by

+1.2 km/h


These indicators show that Aspen 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 Sep.

Aspen Weather Forecast 30 Days (October - November 2025)
Aspen, Colorado, United States


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Thu. 16, Oct.
moderate rainModerate rain

Temperature Icon8°/2°

Humidity Icon70%

Wind Icon14km/h
Fri. 17, Oct.
sunnySunny

Temperature Icon9°/-1°

Humidity Icon64%

Wind Icon11km/h
Sat. 18, Oct.
sunnySunny

Temperature Icon11°/-4°

Humidity Icon55%

Wind Icon18km/h
Sun. 19, Oct.
sunnySunny

Temperature Icon15°/-5°

Humidity Icon35%

Wind Icon10km/h
Mon. 20, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon15°/-4°

Humidity Icon46%

Wind Icon27km/h
Tue. 21, Oct.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon4°/-13°

Humidity Icon81%

Wind Icon19km/h
Wed. 22, Oct.
sunnySunny

Temperature Icon7°/-12°

Humidity Icon66%

Wind Icon7km/h
Thu. 23, Oct.
sunnySunny

Temperature Icon13°/-7°

Humidity Icon49%

Wind Icon8km/h
Fri. 24, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon9°/-5°

Humidity Icon79%

Wind Icon8km/h
Sat. 25, Oct.
sunnySunny

Temperature Icon12°/-6°

Humidity Icon60%

Wind Icon8km/h
Sun. 26, Oct.
partly cloudyPartly Cloudy

Temperature Icon11°/-5°

Humidity Icon55%

Wind Icon14km/h
Mon. 27, Oct.
moderate or heavy snow with thunderModerate or heavy snow in area with thunder

Temperature Icon2°/-7°

Humidity Icon82%

Wind Icon15km/h
Tue. 28, Oct.
moderate or heavy snow with thunderModerate or heavy snow in area with thunder

Temperature Icon-3°/-8°

Humidity Icon90%

Wind Icon23km/h
Wed. 29, Oct.
moderate snowModerate snow

Temperature Icon-4°/-19°

Humidity Icon90%

Wind Icon15km/h
Thu. 30, Oct.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon6°/-10°

Humidity Icon75%

Wind Icon10km/h
Fri. 31, Oct.
patchy moderate snowPatchy moderate snow

Temperature Icon7°/-10°

Humidity Icon70%

Wind Icon11km/h
Sat. 1, Nov.
moderate snowModerate snow

Temperature Icon8°/-9°

Humidity Icon67%

Wind Icon12km/h
Sun. 2, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon8°/-9°

Humidity Icon67%

Wind Icon11km/h
Mon. 3, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon7°/-8°

Humidity Icon71%

Wind Icon12km/h
Tue. 4, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon6°/-9°

Humidity Icon73%

Wind Icon11km/h
Wed. 5, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon6°/-9°

Humidity Icon73%

Wind Icon11km/h
Thu. 6, Nov.
moderate snowModerate snow

Temperature Icon6°/-10°

Humidity Icon70%

Wind Icon12km/h
Fri. 7, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon7°/-10°

Humidity Icon67%

Wind Icon14km/h
Sat. 8, Nov.
moderate snowModerate snow

Temperature Icon6°/-11°

Humidity Icon67%

Wind Icon12km/h
Sun. 9, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon6°/-10°

Humidity Icon69%

Wind Icon11km/h
Mon. 10, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon4°/-12°

Humidity Icon71%

Wind Icon12km/h
Wed. 12, Nov.
moderate snowModerate snow

Temperature Icon4°/-14°

Humidity Icon69%

Wind Icon11km/h
Thu. 13, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon4°/-12°

Humidity Icon70%

Wind Icon11km/h
Fri. 14, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon4°/-11°

Humidity Icon71%

Wind Icon12km/h
Sat. 15, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon5°/-12°

Humidity Icon70%

Wind Icon12km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 19, Oct.

14.8°C


Low will be onWed. 29, Oct.

-19.1°C

HumidityHumidity

High will be onTue. 28, Oct.

90%


Low will be onSun. 19, Oct.

35%

Wind SpeedWind Speed

High will be onMon. 20, Oct.

27km/h


Low will be onWed. 22, Oct.

6.8km/h

PrecipitationPrecipitation

High will be onThu. 16, Oct.

5.2mm


Low will be onFri. 31, Oct.

0.6mm

Ultraviolet IndexUV

High will be onWed. 22, Oct.

2


Low will be onTue. 21, Oct.

1