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 1:30pm(EDT) on 6/12/26

 Temperature

Temperature
Current: 90°F
    Rate of Change: 2°F/hr.
    High: 90°F at 1:12pm
    Low: 68°F at 6:04am

    Monthly High: 90°F on 6/11/26
    Monthly Low: 49°F on 6/2/26
    Yearly High:   94°F on 5/19/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 61.0%
    High: 96.0% at 7:10am
    Low:  59.0% at 1:22pm
Dew Point: 74°F
Heat Index: 99°F
    High: 104°F at 1:15pm

    Monthly High: 106°F on 6/11/26
    Yearly High:   106°F on 6/11/26
 
Wind Rose Wind & Related (Calm)
Current: WSW at 0.0mph
    High Today: 8.8mph at 11:22am
    Monthly High: 18.8mph on 6/6/26
    Yearly High:   38.8mph on 3/11/26
Wind Chill: 90°F
    Low: 68°F at 6:04am
    Monthly Low: 49°F on 6/2/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 0 miles
    Wind Run Month: 20 miles
    Wind Run Year:  4735 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 29.77in
    Rate of Change: -0.00in/hr
    High: 29.80in at 1:10am
    Low:  29.77in at 1:15pm


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: 0.02in

This Month:    1.19in
Year-to-Date:  15.63in

 
UV Index UV Index
Current: 0.00
    Today's High: 0.00 at 12:00am
    Monthly High: 0.00 on 6/1/26
    Yearly High:   0.00 on 1/1/26

Solar Radiation

Solar Radiation
Current: 338.0 W/m2
    Today's High: 1255.0 W/m2  at 12:02pm
    Monthly High: 1255.0W/m2 on 6/12/26
    Yearly High:   1255.0W/m2 on 6/12/26
 
Evapotranspiration Evapotranspiration
Today: 0.09in
    Monthly High:  0.18in on 6/4/26
    Yearly High:     0.19in on 5/5/26
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  6.0
   Month:  83.9
   Year:    284.9
Heating Degree Days
    Today: 0.0
    Month: 22.6
    Year:   3018.2
Beyond the Stratosphere

Solar/Lunar Stats

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