Point Forecast: Merrimac VA
 37.2N 80.41W (Elev. 2096 ft)
Last Update: 2:00 pm EDT Jul 13, 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  
Vent Rate (x1000 mph-ft)
Pressure (in)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Turner Stability Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (EDT)141516171819202122230001020304050607080910111213
Temperature (°F)858586858381797674727169696968676767707276808284
Dewpoint (°F)696969697069707070707069686867676767697071727070
Heat Index (°F)898989898684797676838688
Surface Wind (mph)222222221111111111222222
Wind DirWWWWWWWWWWWWWWWWWWWWWWWW
Gust
Sky Cover (%)533357726351455545322013122026333936312531344946
Precipitation Potential (%)293736584526232218157433333456991014
Relative Humidity (%)595857606468738188939699979899100100100989283766964
RainChcChcChcLklyChcChcSChcSChcSChcSChc----------------------------
ThunderChcChcChcLklyChcChcSChcSChcSChcSChc----------------------------

Date07/15
Hour (EDT)141516171819202122230001020304050607080910111213
Temperature (°F)848484848281787673727170706969696869707376798182
Dewpoint (°F)707070707070707071707070696969696869707172727272
Heat Index (°F)898888888685787676798586
Surface Wind (mph)332222211111111111111223
Wind DirWWWWWNWNNNWSWSWSWSWSWSWSWWWWWSSSS
Gust
Sky Cover (%)556167787861575757575757424650545455555555555562
Precipitation Potential (%)334151666642353535353535111111111111323232323232
Relative Humidity (%)626363636569768591959799991001001001001001009487817673
RainChcChcChcLklyLklyChcChcChcChcChcChcChc------------ChcChcChcChcChcChc
ThunderChcChcChcLklyLklyChcChcChcChcChcChcChc------------------ChcChcChc

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