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 5:30pm(EDT) on 4/12/26

 Temperature

Temperature
Current: 67°F
    Rate of Change: -1°F/hr.
    High: 70°F at 2:26pm
    Low: 43°F at 3:30am

    Monthly High: 86°F on 4/1/26
    Monthly Low: 28°F on 4/8/26
    Yearly High:   86°F on 4/1/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 52.0%
    High: 82.0% at 3:30am
    Low:  41.0% at 2:30pm
Dew Point: 48°F
Heat Index: 68°F
    High: 70°F at 3:03pm

    Monthly High: 87°F on 4/4/26
    Yearly High:   87°F on 4/4/26
 
Wind Rose Wind & Related (Light Air)
Current: ESE at 2.5mph
    High Today: 15.0mph at 2:06pm
    Monthly High: 22.5mph on 4/7/26
    Yearly High:   38.8mph on 3/11/26
Wind Chill: 67°F
    Low: 43°F at 3:30am
    Monthly Low: 28°F on 4/8/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 25 miles
    Wind Run Month: 368 miles
    Wind Run Year:  4274 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 30.27in
    Rate of Change: -0.02in/hr
    High: 30.45in at 9:37am
    Low:  30.27in at 4:53pm


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:    0.66in
Year-to-Date:  7.73in

 
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: 116.0 W/m2
    Today's High: 867.0 W/m2  at 1:05pm
    Monthly High: 1000.0W/m2 on 4/6/26
    Yearly High:   1000.0W/m2 on 4/6/26
 
Evapotranspiration Evapotranspiration
Today: 0.12in
    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:  0.6
   Month:  23.1
   Year:    56.2
Heating Degree Days
    Today: 7.9
    Month: 126.0
    Year:   2651.5
Beyond the Stratosphere

Solar/Lunar Stats

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