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 9:30pm(EDT) on 5/31/25

 Temperature Temperature
Current: 55°F
    Rate of Change: -2°F/hr.
    High: 68°F at 12:01pm
    Low: 54°F at 7:13am

    Monthly High: 85°F on 5/16/25
    Monthly Low: 45°F on 5/10/25
    Yearly High:   85°F on 5/16/25
    Yearly Low:    3°F on 1/23/25
 
Humidity Humidity & Related
Relative Humidity: 70.0%
    High: 96.0% at 1:29am
    Low:  53.0% at 6:16pm
Dew Point: 45°F
Heat Index: 58°F
    High: 71°F at 11:22am

    Monthly High: 91°F on 5/16/25
    Yearly High:   91°F on 5/16/25
 
Wind Rose Wind & Related (Light Air)
Current: NW at 1.2mph
    High Today: 18.8mph at 12:16pm
    Monthly High: 18.8mph on 5/31/25
    Yearly High:   40.0mph on 2/16/25
Wind Chill: 55°F
    Low: 52°F at 3:33am
    Monthly Low: 45°F on 5/10/25
    Yearly Low:     -5°F on 1/22/25
    Wind Run Today: 21 miles
    Wind Run Month: 96 miles
    Wind Run Year:  6349 miles
 
Barometric Pressure Barometric Pressure (Rising)
Current: 29.63in
    Rate of Change: 0.04in/hr
    High: 29.63in at 9:30pm
    Low:  29.33in at 1:27am

Yearly High: 30.67in on 2/14/25
Yearly Low:  29.10in on 2/16/25
 
Daily Rain Precipitation
Today: 0.27in
    Hi Rain Rate:   0.06in/hr at 12:32pm
    Current Hour:  0.00in
 
Solar Radiation Solar Radiation
Current: 0.0 W/m2
    Today's High: 1058.0 W/m2  at 2:20pm
    Monthly High: 1241.0W/m2 on 5/23/25
    Yearly High:   1241.0W/m2 on 5/23/25
 
Evapotranspiration Evapotranspiration
Today: 0.09in
    Monthly High:  0.17in on 5/18/25
    Yearly High:     0.17in on 4/18/25
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.2
   Month:  70.5
   Year:    148.0
Heating Degree Days
    Today: 5.3
    Month: 122.9
    Year:   2860.5
Beyond the Stratosphere
Solar/Lunar Stats
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