Point Forecast: Charlestown MA
 42.38N 71.07W (Elev. 3 ft)
Last Update: 1:16 am EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-ft)
Dispersion Index
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)020304050607080910111213141516171819202122230001
Temperature (°F)747473737374757781838687878787868585838078777675
Dewpoint (°F)717171717172727373737372727372737373737272727171
Heat Index (°F)757786899394949494939292898478777675
Surface Wind (mph)555553535556666666665555
Wind DirSWSWSWSWSWSWSWWSWSWSSSSSSSSSSSWSWSWSW
Gust
Sky Cover (%)90909386898477563922211416192031142621231717819
Precipitation Potential (%)32282725252113755791076644221111
Relative Humidity (%)909093939393908877726561616361656767727782858587
RainChcChcChcChcChcSChc------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (EDT)020304050607080910111213141516171819202122230001
Temperature (°F)747473737374778083868889898989898887858382807978
Dewpoint (°F)717171717172737373737373737372727272727272727272
Heat Index (°F)778489939597979797969593918986847978
Surface Wind (mph)533333335667789998776666
Wind DirSWSWSWSWSWSWSWSWSWSSSSSSSSSSSSWSWSWSW
Gust
Sky Cover (%)171218242419282320161819212836434650535762667073
Precipitation Potential (%)01111112356678991010111112121416
Relative Humidity (%)909093939393887971656260595857575962656973778082
Rain----------------------------------------------SChc
Thunder----------------------------------------------SChc

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