Point Forecast: Portsmouth NH
 43.07N 70.78W (Elev. 33 ft)
Last Update: 8:18 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)
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)101112131415161718192021222300010203040506070809
Temperature (°F)818384848585858482807877757473727170696970727377
Dewpoint (°F)717271717171717171717271717070706969696869697071
Heat Index (°F)8588898990909089868378777577
Surface Wind (mph)223566776533223222222222
Wind DirWSSSESESESESSSSSSSSWSWSWSWSWWSWSWWSW
Gust
Sky Cover (%)444039393842414220272620242322211923313642372921
Precipitation Potential (%)455554433222111111112333
Relative Humidity (%)7270656563636365697482828787909393971009797909082
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (EDT)101112131415161718192021222300010203040506070809
Temperature (°F)818485858686868683817877777675747372727172737476
Dewpoint (°F)727272727272717171717171717171717171717171727272
Heat Index (°F)85909191929291918885787777767576
Surface Wind (mph)335566777666555333555666
Wind DirSSSSSSSSSSSSSSSSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)222222232325272937465456596162646568707372717069
Precipitation Potential (%)33338888881212121212121818181818184343
Relative Humidity (%)7467656563636161677279828285879093979710097979387
Rain--------------------------------SChcSChcSChcSChcSChcSChcChcChc
Thunder--------------------------------SChcSChcSChc----------

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