Point Forecast: Mercer Island WA
 47.58N 122.22W (Elev. 118 ft)
Last Update: 3:40 am PDT Jun 19, 2024
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Mixing Height  
Haines Index
Lightning Activity Level
Trans. Wind  

48-Hour Period Starting:       Back 2 Days  

Date06/1906/20
Hour (PDT)070809101112131415161718192021222300010203040506
Temperature (°F)535561646769717474757574737167646260585656555555
Dewpoint (°F)474751515151505150495050515251515050494949505150
Heat Index (°F)7575
Surface Wind (mph)567679888877873666677555
Wind DirNENNNWNNWNWNWNWNWNWNWNWNNWNNWNNWNNNENEENEENEENEENEENENENE
Gust
Sky Cover (%)866622211133344488866688
Precipitation Potential (%)000000000000011100000000
Relative Humidity (%)797469625752474442404142465157626570727678838583
Rain------------------------------------------------
Thunder------------------------------------------------

Date06/21
Hour (PDT)070809101112131415161718192021222300010203040506
Temperature (°F)576065687073757778797978767370666361595856555556
Dewpoint (°F)505153525151515151515152525252515050505150505050
Heat Index (°F)75777879797876
Surface Wind (mph)555566688888866666666622
Wind DirNENNENNENNENWNWNWNWNWNWNNWNNWNNWNNENNENNEENEENEENEENEENEENENNENNE
Gust
Sky Cover (%)810101039393918181823232311111199966655
Precipitation Potential (%)000000000011111111111100
Relative Humidity (%)767165565146424038373840444852576267727680828382
Rain------------------------------------------------
Thunder------------------------------------------------

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