Point Forecast: Portsmouth NH
 43.05N 70.78W (Elev. 49 ft)
Last Update: 7:24 pm 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)212223000102030405060708091011121314151617181920
Temperature (°F)757474747372717069697175788184868686868684828077
Dewpoint (°F)717070707069696968686869707070707070707070707070
Heat Index (°F)7575788588919191919188868377
Surface Wind (mph)222222221111222356667665
Wind DirSSSWSWSWSWWSWWSWWSWSSSSESESESESSSSS
Gust
Sky Cover (%)172016161215212837413937271920172117991081619
Precipitation Potential (%)100000000000000000000006
Relative Humidity (%)878787879090939797979082766963595959595963677279
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°F)777776757574737271727475778082838485858484838180
Dewpoint (°F)707070707070707070717273747475757474747474747373
Heat Index (°F)777776757575778489909193939191908684
Surface Wind (mph)555533333355566666667777
Wind DirSSSSSSSSSSSSSSSSSSWSWSWSWSWSWSW
Gust
Sky Cover (%)173552555862677378757269666461605958565452515150
Precipitation Potential (%)6666615151515151515212734404644444343424226
Relative Humidity (%)797982848487909397979394908279777270707272747779
Rain----------SChcSChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcChcChcChcChcChc
Thunder----------------------------SChcSChcSChcChcChcChcChcChcChc--

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