Dayton, Maryland Weather

27th Year of Service to the Local Community
Lat 39.243°N, Long 76.998°W, Elev 550ft (168m)


National Weather Service Forecasts/Warnings for Central Maryland (Click Here)

Latest Weather Update at 2:30pm(EDT) on 6/12/25

 Temperature Temperature
Current: 86°F
    Rate of Change: 1°F/hr.
    High: 86°F at 2:29pm
    Low: 64°F at 6:14am

    Monthly High: 86°F on 6/12/25
    Monthly Low: 45°F on 6/2/25
    Yearly High:   86°F on 6/12/25
    Yearly Low:    3°F on 1/23/25
 
Humidity Humidity & Related
Relative Humidity: 54.0%
    High: 93.0% at 7:11am
    Low:  48.0% at 1:34pm
Dew Point: 68°F
Heat Index: 90°F
    High: 90°F at 2:29pm

    Monthly High: 90°F on 6/12/25
    Yearly High:   91°F on 5/16/25
 
Wind Rose Wind & Related (Calm)
Current: NNW at 0.0mph
    High Today: 6.2mph at 2:02pm
    Monthly High: 11.2mph on 6/1/25
    Yearly High:   40.0mph on 2/16/25
Wind Chill: 86°F
    Low: 64°F at 6:14am
    Monthly Low: 45°F on 6/2/25
    Yearly Low:     -5°F on 1/22/25
    Wind Run Today: 0 miles
    Wind Run Month: 7 miles
    Wind Run Year:  6357 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 30.06in
    Rate of Change: -0.01in/hr
    High: 30.10in at 9:09am
    Low:  30.05in at 4:12am

Yearly High: 30.67in on 2/14/25
Yearly Low:  29.10in on 2/16/25
 
Daily Rain Precipitation
Today: 0.00in
    Hi Rain Rate:   0.00in/hr at 12:00am
    Current Hour:  0.00in
 
Solar Radiation Solar Radiation
Current: 821.0 W/m2
    Today's High: 884.0 W/m2  at 12:45pm
    Monthly High: 1120.0W/m2 on 6/7/25
    Yearly High:   1241.0W/m2 on 5/23/25
 
Evapotranspiration Evapotranspiration
Today: 0.12in
    Monthly High:  0.17in on 6/4/25
    Yearly High:     0.17in on 6/4/25
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  4.7
   Month:  73.5
   Year:    221.5
Heating Degree Days
    Today: 0.1
    Month: 21.9
    Year:   2883.5
Beyond the Stratosphere
Solar/Lunar Stats
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