Point Forecast: Marietta, Cobb County-McCollum Field Airport GA
 33.99N 84.6W (Elev. 984 ft)
Last Update: 2:16 am EDT Jul 14, 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
Low Visibility Occurrence Risk Index
Turner Stability Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1407/15
Hour (EDT)020304050607080910111213141516171819202122230001
Temperature (°F)757473737272747882858890919293929290878481797877
Dewpoint (°F)717171717170727373737372727271717171717273727272
Heat Index (°F)75788893969898100101999896939086837877
Surface Wind (mph)222222235666666766653222
Wind DirNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNW
Gust
Sky Cover (%)171715151916151155714161499771287658
Precipitation Potential (%)112233101235111010111010875443
Relative Humidity (%)878991949796928473676057535150495054606975798284
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/16
Hour (EDT)020304050607080910111213141516171819202122230001
Temperature (°F)767675747373758084889192939493929088858381797877
Dewpoint (°F)727271717171727374747373737272727272727373737373
Heat Index (°F)76767575849196100101102102101999794918985827877
Surface Wind (mph)222222223333335553333222
Wind DirNWNWNNNNNNENENNNNNNWNWWSSESEEEESE
Gust
Sky Cover (%)64545552691318222528323639434750535048
Precipitation Potential (%)222222555555353535353535393939393939
Relative Humidity (%)878888909292897971635853515051535661667176818587
Rain------------------------ChcChcChcChcChcChcChcChcChcChcChcChc
Thunder------------------------ChcChcChcChcChcChcChcChcChcChcChcChc

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