Point Forecast: North Chelmsford MA
 42.62N 71.37W (Elev. 148 ft)
Last Update: 7:45 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)151617181920212223000102030405060708091011121314
Temperature (°F)898988888583797877757473727271717376798386889091
Dewpoint (°F)737273737373737373727271717171707173737474747372
Heat Index (°F)9796969692897978777576798994979899
Surface Wind (mph)556532222323222222235666
Wind DirSWSWSWWSWSWSWSSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)33282014232521181123151015161826252219202021
Precipitation Potential (%)755342110000000000246789
Relative Humidity (%)5957616167728285889093939797100979390827468625754
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (EDT)151617181920212223000102030405060708091011121314
Temperature (°F)929291898785838179787776757575757576788083858788
Dewpoint (°F)727272727373737373737272727373737474757676767575
Heat Index (°F)999999979592898579787776757575757576788691949798
Surface Wind (mph)666666655533355566677788
Wind DirSWSSSSSSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)283441465156596366646361697684807672686568676766
Precipitation Potential (%)111213141415161617192022242527313539444852515049
Relative Humidity (%)525254576267737882858687909294959594908580746966
Rain----------SChcSChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcChcChcChcChcChc
Thunder----------SChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChc------SChcSChcSChcChc

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