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 2:15am(EDT) on 12/7/25

 Temperature Temperature
Current: 30°F
    Rate of Change: -0°F/hr.
    High: 32°F at 12:00am
    Low: 30°F at 2:00am

    Monthly High: 43°F on 12/1/25
    Monthly Low: 24°F on 12/5/25
    Yearly High:   95°F on 6/24/25
    Yearly Low:    3°F on 1/23/25
 
Humidity Humidity & Related
Relative Humidity: 85.0%
    High: 92.0% at 12:23am
    Low:  85.0% at 1:54am
Dew Point: 27°F
Heat Index: 35°F
    High: 37°F at 12:00am

    Monthly High: 46°F on 12/6/25
    Yearly High:   117°F on 6/23/25
 
Wind Rose Wind & Related (Calm)
Current: NW at 0.0mph
    High Today: 0.0mph at 12:00am
    Monthly High: 18.8mph on 12/4/25
    Yearly High:   40.0mph on 2/16/25
Wind Chill: 30°F
    Low: 30°F at 2:00am
    Monthly Low: 21°F on 12/4/25
    Yearly Low:     -5°F on 1/22/25
    Wind Run Today: 0 miles
    Wind Run Month: 152 miles
    Wind Run Year:  7911 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 30.06in
    Rate of Change: -0.01in/hr
    High: 30.09in at 1:52am
    Low:  30.06in at 12:49am

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: 0.0 W/m2
    Today's High: 0.0 W/m2  at 12:00am
    Monthly High: 404.0W/m2 on 12/1/25
    Yearly High:   1257.0W/m2 on 7/7/25
 
Evapotranspiration Evapotranspiration
Today: 0.00in
    Monthly High:  0.03in on 12/4/25
    Yearly High:     0.18in on 6/22/25
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.0
   Month:  0.0
   Year:    1163.8
Heating Degree Days
    Today: 3.6
    Month: 193.9
    Year:   4029.1
Beyond the Stratosphere
Solar/Lunar Stats
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