Greeley, Colorado, United States Climate Change Severity

81
Extreme
The current climate change severity in Greeley is Extreme, with a 69.4% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Greeley Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Greeley temperature has changed by around +25.6%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
53114
115.09%
cloudyCloudy
6620
-69.6%
rainyRainy
6532
-50.7%
snowySnowy
42
-50%
mistyMisty
015
100%

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

Climate Change Indicators:

Over the past 16 years, Greeley has experienced measurable shifts in key climate parameters, contributing to the current severity score of 81 (within the Extreme severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

81/100

Extreme

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Greeley experienced significant changes:

Temperature change of

+2.66 °C

Variation in annual rainfall

-38.28 %

Change in average humidity

-10.58 %

PM2.5 levels surged by

-55.2 %

Heatwave changed by

+1 Days

Coldwave changed by

-6 Days

Wind speeds changed by

+6.94 km/h

These indicators show extreme climate changes, including key climate parametes. The Extreme severity score necessitates immediate action, including large-scale mitigation efforts, climate resilience strategies, and extensive disaster preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Greeley Weather Forecast 30 Days (August - September 2026)
Greeley, Colorado, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 5, Aug.
sunnySunny
Temperature Icon33°/12°
Humidity Icon53%
Wind Icon26.3km/h
Thu. 6, Aug.
sunnySunny
Temperature Icon39°/14°
Humidity Icon28%
Wind Icon21.6km/h
Fri. 7, Aug.
sunnySunny
Temperature Icon41°/16°
Humidity Icon11%
Wind Icon16.9km/h
Sat. 8, Aug.
sunnySunny
Temperature Icon41°/19°
Humidity Icon13%
Wind Icon36.7km/h
Sun. 9, Aug.
sunnySunny
Temperature Icon39°/20°
Humidity Icon20%
Wind Icon20.2km/h
Mon. 10, Aug.
sunnySunny
Temperature Icon39°/18°
Humidity Icon21%
Wind Icon15.5km/h
Tue. 11, Aug.
sunnySunny
Temperature Icon34°/17°
Humidity Icon51%
Wind Icon35.6km/h
Wed. 12, Aug.
sunnySunny
Temperature Icon29°/16°
Humidity Icon63%
Wind Icon20.2km/h
Thu. 13, Aug.
moderate rain at timesRain
Temperature Icon31°/16°
Humidity Icon41%
Wind Icon17.8km/h
Fri. 14, Aug.
moderate rain at timesRain
Temperature Icon32°/16°
Humidity Icon43%
Wind Icon16.9km/h
Sat. 15, Aug.
moderate rain at timesRain
Temperature Icon33°/16°
Humidity Icon42%
Wind Icon19.1km/h
Sun. 16, Aug.
moderate rain at timesRain
Temperature Icon31°/16°
Humidity Icon44%
Wind Icon17km/h
Mon. 17, Aug.
patchy rain possibleRain Possible
Temperature Icon32°/16°
Humidity Icon41%
Wind Icon16.8km/h
Tue. 18, Aug.
patchy rain possibleRain Possible
Temperature Icon33°/16°
Humidity Icon40%
Wind Icon18.9km/h
Wed. 19, Aug.
patchy rain possibleRain Possible
Temperature Icon30°/16°
Humidity Icon45%
Wind Icon18.9km/h
Thu. 20, Aug.
heavy rain at timesHeavy Rain
Temperature Icon31°/15°
Humidity Icon44%
Wind Icon16.7km/h
Fri. 21, Aug.
patchy rain possibleRain Possible
Temperature Icon32°/15°
Humidity Icon41%
Wind Icon17.6km/h
Sat. 22, Aug.
moderate rain at timesRain
Temperature Icon32°/16°
Humidity Icon45%
Wind Icon17.5km/h
Sun. 23, Aug.
moderate rain at timesRain
Temperature Icon32°/16°
Humidity Icon43%
Wind Icon17.1km/h
Mon. 24, Aug.
moderate rain at timesRain
Temperature Icon31°/16°
Humidity Icon43%
Wind Icon15.7km/h
Tue. 25, Aug.
heavy rain at timesHeavy Rain
Temperature Icon31°/16°
Humidity Icon44%
Wind Icon17.8km/h
Wed. 26, Aug.
moderate rain at timesRain
Temperature Icon31°/16°
Humidity Icon47%
Wind Icon17.6km/h
Thu. 27, Aug.
patchy rain possibleRain Possible
Temperature Icon31°/16°
Humidity Icon43%
Wind Icon17.2km/h
Fri. 28, Aug.
patchy rain possibleRain Possible
Temperature Icon31°/16°
Humidity Icon43%
Wind Icon17.7km/h
Sat. 29, Aug.
patchy rain possibleRain Possible
Temperature Icon31°/15°
Humidity Icon43%
Wind Icon16.9km/h
Sun. 30, Aug.
patchy rain possibleRain Possible
Temperature Icon32°/15°
Humidity Icon44%
Wind Icon17.5km/h
Mon. 31, Aug.
patchy rain possibleRain Possible
Temperature Icon31°/15°
Humidity Icon41%
Wind Icon18.6km/h
Tue. 1, Sep.
patchy rain possibleRain Possible
Temperature Icon32°/15°
Humidity Icon39%
Wind Icon17.3km/h
Wed. 2, Sep.
patchy rain possibleRain Possible
Temperature Icon31°/15°
Humidity Icon36%
Wind Icon16.6km/h
Thu. 3, Sep.
patchy rain possibleRain Possible
Temperature Icon31°/15°
Humidity Icon38%
Wind Icon18.8km/h
Fri. 4, Sep.
patchy rain possibleRain Possible
Temperature Icon31°/14°
Humidity Icon41%
Wind Icon18.2km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 7, Aug.

41°C

Low will be onWed. 5, Aug.

12°C

HumidityHumidity

High will be onWed. 12, Aug.

63%

Low will be onFri. 7, Aug.

11%

Wind SpeedWind Speed

High will be onSat. 8, Aug.

36.7km/h

Low will be onMon. 10, Aug.

15.5km/h

PrecipitationPrecipitation

High will be onTue. 11, Aug.

58.9mm

Low will be onWed. 12, Aug.

0.04mm

Ultraviolet IndexUV

High will be onFri. 7, Aug.

10

Low will be onThu. 13, Aug.

5

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