Mount Vernon, Washington, United States Climate Change Severity
High
Mount Vernon Weather Condition Changes (Historic Vs 2025)
Over the past 15 year(s), Mount Vernon temperature has changed by around -7.4%, and has experienced notable climate changes.
Comparison of Weather Condition (Historic Vs 2025)
HistoricDays
Year 2025Days
Change
Sunny
Cloudy
Rainy
Snowy
MistyDisclaimer: Other weather conditions not shown may affect the total day count.
Climate Change Indicators:
Over the past 15 years, Mount Vernon has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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
48/100
High
From 2010 to 2025, Mount Vernon experienced significant changes:
Temperature change of
-0.8 °C
Variation in annual rainfall
+29.6 %
Change in average humidity
+4.3 %
PM2.5 levels surged by
-25.8 %
Heatwave changed by
-5.6 day(s)
Coldwave changed by
+1.06 day(s)
Wind speeds changed by
-0.8 km/h
These indicators show that Mount Vernon 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.
Mount Vernon Weather Forecast 30 Days (November - December 2025)Mount Vernon, Washington, United States
Temperature
humi.
Wind SpeedPatchy rain nearby12°/5°80%13km/h
Overcast 8°/8°87%18km/hOvercast 10°/8°85%18km/hPatchy rain nearby10°/7°83%26km/hPatchy rain nearby9°/5°83%29km/hSunny6°/2°80%12km/hSunny6°/1°65%6km/h
Partly Cloudy 8°/1°55%6km/hSunny7°/3°62%5km/hSunny7°/2°69%5km/hPartly Cloudy 7°/3°69%4km/hPartly Cloudy 8°/6°78%5km/hPatchy rain nearby11°/7°92%20km/hPatchy rain nearby10°/8°92%9km/h
Moderate or heavy rain shower6°/2°80%14km/hModerate or heavy rain shower6°/1°78%15km/hModerate or heavy rain shower6°/2°77%17km/hModerate or heavy rain shower6°/2°77%16km/hModerate or heavy rain shower6°/2°77%18km/hModerate or heavy rain shower6°/2°82%16km/hModerate or heavy rain shower6°/2°85%18km/hModerate or heavy rain shower7°/3°83%21km/hModerate or heavy rain shower6°/2°82%17km/hModerate or heavy rain shower6°/2°83%17km/hModerate or heavy rain shower6°/2°82%17km/hModerate or heavy rain shower6°/2°84%18km/hModerate or heavy rain shower6°/2°84%16km/hModerate or heavy rain shower7°/3°82%19km/hModerate or heavy rain shower7°/3°85%22km/hModerate or heavy rain shower6°/3°83%19km/hModerate or heavy rain shower7°/3°85%22km/hHighest & Lowest Weather Forecasts
TemperatureHumidityWind Speed
Precipitation
UV
