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 12:00pm(EDT) on 5/11/25

 Temperature Temperature
Current: 79°F
    Rate of Change: 3°F/hr.
    High: 79°F at 11:56am
    Low: 52°F at 6:09am

    Monthly High: 83°F on 5/2/25
    Monthly Low: 45°F on 5/10/25
    Yearly High:   83°F on 3/31/25
    Yearly Low:    3°F on 1/23/25
 
Humidity Humidity & Related
Relative Humidity: 40.0%
    High: 86.0% at 6:35am
    Low:  35.0% at 11:41am
Dew Point: 52°F
Heat Index: 79°F
    High: 79°F at 11:57am

    Monthly High: 84°F on 5/2/25
    Yearly High:   84°F on 5/2/25
 
Wind Rose Wind & Related (Calm)
Current: S at 0.0mph
    High Today: 5.0mph at 11:46am
    Monthly High: 15.0mph on 5/3/25
    Yearly High:   40.0mph on 2/16/25
Wind Chill: 79°F
    Low: 52°F at 6:09am
    Monthly Low: 45°F on 5/10/25
    Yearly Low:     -5°F on 1/22/25
    Wind Run Today: 0 miles
    Wind Run Month: 18 miles
    Wind Run Year:  6272 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 30.23in
    Rate of Change: 0.00in/hr
    High: 30.23in at 11:25am
    Low:  30.15in at 12:00am

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: 763.0 W/m2
    Today's High: 821.0 W/m2  at 11:07am
    Monthly High: 1230.0W/m2 on 5/7/25
    Yearly High:   1230.0W/m2 on 5/7/25
 
Evapotranspiration Evapotranspiration
Today: 0.06in
    Monthly High:  0.15in on 5/1/25
    Yearly High:     0.17in on 4/18/25
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  1.3
   Month:  27.0
   Year:    104.4
Heating Degree Days
    Today: 3.4
    Month: 35.1
    Year:   2772.7
Beyond the Stratosphere
Solar/Lunar Stats
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