Gresham, Oregon, United States Climate Change Severity

33
Moderate
The current climate change severity in Gresham is Moderate, with a -28.1% 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

Gresham 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), Gresham temperature has changed by around +6.2%, 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
4029
-27.5%
cloudyCloudy
4437
-15.9%
rainyRainy
10775
-29.9%
snowySnowy
35
66.6%
mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 15 years, Gresham has experienced measurable improvements in key climate parameters, contributing to the current severity score of 33 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

33/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Gresham experienced significant changes:

Temperature change of

+0.6 °C

Variation in annual rainfall

-7.4 %

Change in average humidity

-0.8 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-4.8 day(s)

Coldwave changed by

-5.1 day(s)

Wind speeds changed by

+0.2 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Gresham Weather Forecast 30 Days (August - September 2025)
Gresham, Oregon, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 3, Aug.
overcastOvercast
Temperature Icon18°/14°
Humidity Icon78%
Wind Icon14km/h
Mon. 4, Aug.
overcastOvercast
Temperature Icon19°/13°
Humidity Icon73%
Wind Icon14km/h
Tue. 5, Aug.
partly cloudyPartly Cloudy
Temperature Icon28°/16°
Humidity Icon55%
Wind Icon16km/h
Wed. 6, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/16°
Humidity Icon82%
Wind Icon13km/h
Thu. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/15°
Humidity Icon72%
Wind Icon12km/h
Fri. 8, Aug.
sunnySunny
Temperature Icon27°/11°
Humidity Icon51%
Wind Icon10km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon33°/13°
Humidity Icon46%
Wind Icon17km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon39°/17°
Humidity Icon31%
Wind Icon13km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon36°/19°
Humidity Icon36%
Wind Icon16km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon32°/15°
Humidity Icon55%
Wind Icon12km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon30°/15°
Humidity Icon47%
Wind Icon16km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/14°
Humidity Icon63%
Wind Icon5km/h
Fri. 15, Aug.
partly cloudyPartly Cloudy
Temperature Icon26°/11°
Humidity Icon63%
Wind Icon16km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon29°/15°
Humidity Icon60%
Wind Icon11km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon29°/15°
Humidity Icon60%
Wind Icon11km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon29°/14°
Humidity Icon61%
Wind Icon10km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon29°/14°
Humidity Icon60%
Wind Icon12km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon28°/13°
Humidity Icon60%
Wind Icon10km/h
Thu. 21, Aug.
moderate rain at timesModerate rain at times
Temperature Icon26°/13°
Humidity Icon64%
Wind Icon11km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon26°/13°
Humidity Icon63%
Wind Icon11km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon26°/12°
Humidity Icon63%
Wind Icon11km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon27°/12°
Humidity Icon58%
Wind Icon12km/h
Mon. 25, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon28°/13°
Humidity Icon58%
Wind Icon9km/h
Tue. 26, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon28°/13°
Humidity Icon59%
Wind Icon12km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon27°/14°
Humidity Icon60%
Wind Icon10km/h
Thu. 28, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon27°/14°
Humidity Icon62%
Wind Icon10km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/14°
Humidity Icon68%
Wind Icon11km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/12°
Humidity Icon71%
Wind Icon10km/h
Sun. 31, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon23°/13°
Humidity Icon71%
Wind Icon9km/h
Mon. 1, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon25°/12°
Humidity Icon68%
Wind Icon10km/h
Tue. 2, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon26°/13°
Humidity Icon64%
Wind Icon12km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 10, Aug.

39.1°C

Low will be onFri. 15, Aug.

10.9°C

HumidityHumidity

High will be onWed. 6, Aug.

82%

Low will be onSun. 10, Aug.

31%

Wind SpeedWind Speed

High will be onSat. 9, Aug.

16.9km/h

Low will be onThu. 14, Aug.

5.4km/h

PrecipitationPrecipitation

High will be onWed. 6, Aug.

4.4mm

Low will be onFri. 22, Aug.

0.1mm

Ultraviolet IndexUV

High will be onSun. 10, Aug.

7

Low will be onWed. 6, Aug.

4

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