Point Forecast: Sumter SC
 33.94N 80.4W (Elev. 154 ft)
Last Update: 12:58 am EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire 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)
Davis Stability Index
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)737679828486888990898988858381807977767675757575
Dewpoint (°F)737476777676767676767676767676757575757475747474
Heat Index (°F)76799093969910010210010099949187857977767675757575
Surface Wind (mph)111223356666553322222222
Wind DirEEESEEEEESESESESSESESESESSSSSSESESE
Gust
Sky Cover (%)586549464131303648515960533634193727251730283930
Precipitation Potential (%)126555111524273940291510875465444
Relative Humidity (%)10094918577726866646666687580858588949794100979797
Rain--------------SChcSChcChcChcChcChcSChc--------------------
Thunder--------------SChcSChcChcChcChcChcSChc--------------------

Date07/17
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)757780828485868788888887858381807978787776757575
Dewpoint (°F)747576767676767676767676767675757474747474747475
Heat Index (°F)757786909395979899999997959188857978787776757575
Surface Wind (mph)222367777888766555333222
Wind DirSESESESSSSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)523954535356596058555251504739302421202329353939
Precipitation Potential (%)642424242424256565656565666666644444
Relative Humidity (%)979488827774717068676871758082838587899093959797
Rain--ChcChcChcChcChcChcLklyLklyLklyLklyLklyLkly----------------------
Thunder--------ChcChcChcLklyLklyLklyLklyLklyLkly----------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous Weather