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 12:30pm(EDT) on 3/14/26

 Temperature

Temperature
Current: 52°F
    Rate of Change: 2°F/hr.
    High: 53°F at 12:14pm
    Low: 45°F at 2:28am

    Monthly High: 82°F on 3/11/26
    Monthly Low: 26°F on 3/2/26
    Yearly High:   82°F on 3/11/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 31.0%
    High: 61.0% at 2:26am
    Low:  23.0% at 4:28am
Dew Point: 22°F
Heat Index: 51°F
    High: 52°F at 12:14pm

    Monthly High: 83°F on 3/11/26
    Yearly High:   83°F on 3/11/26
 
Wind Rose Wind & Related (Gentle Breeze)
Current: W at 10.0mph
    High Today: 22.5mph at 9:40am
    Monthly High: 38.8mph on 3/11/26
    Yearly High:   38.8mph on 3/11/26
Wind Chill: 49°F
    Low: 39°F at 9:40am
    Monthly Low: 23°F on 3/2/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 42 miles
    Wind Run Month: 368 miles
    Wind Run Year:  2958 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 30.12in
    Rate of Change: 0.02in/hr
    High: 30.13in at 12:18pm
    Low:  29.79in at 12:00am


Yearly High: 30.74in on 1/24/26
Yearly Low:  29.40in on 1/15/26

 
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:    1.51in
Year-to-Date:  4.77in

 
UV Index UV Index
Current: 0.00
    Today's High: 0.00 at 12:00am
    Monthly High: 0.00 on 3/1/26
    Yearly High:   0.00 on 1/1/26

Solar Radiation

Solar Radiation
Current: 682.0 W/m2
    Today's High: 754.0 W/m2  at 12:18pm
    Monthly High: 872.0W/m2 on 3/13/26
    Yearly High:   874.0W/m2 on 2/21/26
 
Evapotranspiration Evapotranspiration
Today: 0.05in
    Monthly High:  0.12in on 3/10/26
    Yearly High:     0.12in on 3/10/26
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.0
   Month:  14.1
   Year:    14.1
Heating Degree Days
    Today: 8.8
    Month: 243.7
    Year:   2248.1
Beyond the Stratosphere

Solar/Lunar Stats

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