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 5:45pm(EDT) on 4/27/26

 Temperature

Temperature
Current: 66°F
    Rate of Change: -0°F/hr.
    High: 69°F at 2:35pm
    Low: 38°F at 6:26am

    Monthly High: 88°F on 4/16/26
    Monthly Low: 28°F on 4/8/26
    Yearly High:   88°F on 4/16/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 42.0%
    High: 97.0% at 8:03am
    Low:  40.0% at 4:49pm
Dew Point: 43°F
Heat Index: 66°F
    High: 70°F at 2:35pm

    Monthly High: 89°F on 4/16/26
    Yearly High:   89°F on 4/16/26
 
Wind Rose Wind & Related (Calm)
Current: SE at 0.0mph
    High Today: 7.5mph at 9:49am
    Monthly High: 22.5mph on 4/7/26
    Yearly High:   38.8mph on 3/11/26
Wind Chill: 66°F
    Low: 38°F at 6:26am
    Monthly Low: 28°F on 4/8/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 5 miles
    Wind Run Month: 580 miles
    Wind Run Year:  4484 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 30.18in
    Rate of Change: -0.01in/hr
    High: 30.27in at 10:21am
    Low:  30.18in at 5:29pm


Yearly High: 30.74in on 1/24/26
Yearly Low:  29.23in on 3/16/26

 
Daily/Yearly Rain Precipitation

Today: 0.00in
    Hi Rain Rate:   0.00in/hr at 12:00am
    Current Hour:  0.00in
    Last 24 Hours: 0.00in

This Month:    1.37in
Year-to-Date:  8.44in

 
UV Index UV Index
Current: 0.00
    Today's High: 0.00 at 12:00am
    Monthly High: 0.00 on 4/1/26
    Yearly High:   0.00 on 1/1/26

Solar Radiation

Solar Radiation
Current: 77.0 W/m2
    Today's High: 1074.0 W/m2  at 1:26pm
    Monthly High: 1176.0W/m2 on 4/20/26
    Yearly High:   1176.0W/m2 on 4/20/26
 
Evapotranspiration Evapotranspiration
Today: 0.13in
    Monthly High:  0.17in on 4/1/26
    Yearly High:     0.17in on 3/31/26
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.4
   Month:  75.9
   Year:    109.0
Heating Degree Days
    Today: 10.0
    Month: 247.3
    Year:   2772.8
Beyond the Stratosphere

Solar/Lunar Stats

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