Zip 98109 (Seattle, WA) Weather


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The most pleasant months of the year for the 98109 zip code are August, July and September. In the 98109 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for the 98109 zip code with an average high temperature of 76.3°, which ranks it as cooler than most places in Washington. December is the snowiest month in the 98109 zip code with 2.2 inches of snow, and 4 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - Seattle, WA

9 PM PST

Rain

51°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightRain49° / 56°SSE 13 to 28 mph
Wednesday NightLight Rain49° / 53°S 16 mph
Thursday NightLight Rain44° / 49°S 3 to 7 mph
Friday NightChance Light Rain41° / 48°E 2 to 6 mph
Saturday NightRain45° / 49°S 10 to 15 mph
Sunday NightLight Rain41° / 47°S 9 mph
Monday NightChance Light Rain38° / 48°SSE 6 mph

Weather Highlights

Summer High: the July high is around 76 degrees
Winter Low: the January low is 37
Rain: averages 37 inches of rain a year
Snow: averages 5 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Seattle (zip 98109) area is 9.4 (10=best), which means it is more comfortable than most places in Washington.

9.4 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January48° 37°
February51° 37°
March54° 39°
April59° 43°
May65° 48°
June70° 53°
July76° 56°
August76° 57°
September71° 53°
October60° 46°
November52° 41°
December46° 36°
Hot, Freezing, Rainy, Snowy Days: Seattle
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January06181
February05151
March02170
April00140
May00120
June00100
July1060
August1050
September0080
October00130
November03180
December07181

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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