Point Forecast: Merrimack NH
 42.86N 71.49W (Elev. 36 m)
Last Update: 6:38 am EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

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

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

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°C)252627293031323232323130292726242423222221212223
Dewpoint (°C)222223232222222222222222222222222221212121212121
Heat Index (°C)2526303233343535363634333229262424
Surface Wind (mph)111223333332222222111111
Wind DirWWWWSWSWSWSWSWSWSWSWSWSESSWSWSWSWSWSSWSWSW
Gust
Sky Cover (%)4330252324344144444222191416114246914172122
Precipitation Potential (%)001134654322111111111124
Relative Humidity (%)8282777063615656545457636774778587909393971009790
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°C)242628303132333333333231292827262524242323232324
Dewpoint (°C)222323232323232322222223232323232322222222222323
Heat Index (°C)2426323436373838373736343332292625242424
Surface Wind (mph)112233556665533222222223
Wind DirSWSWSWSWSWSWSWSWSSSSSSSWSWSWSWSWSWSSSSW
Gust
Sky Cover (%)261818171921232732364146515457606265677276817876
Precipitation Potential (%)555555141414141414181818181818272727272727
Relative Humidity (%)878274686358545454545763677279858787909393979794
Rain------------------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChc
Thunder------------------------SChcSChcSChc------SChcSChcSChc------

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