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 2:45am(EDT) on 9/10/26

 Temperature

Temperature
Current: 73°F
    Rate of Change: -1°F/hr.
    High: 76°F at 12:00am
    Low: 73°F at 2:41am

    Monthly High: 90°F on 9/1/26
    Monthly Low: 58°F on 9/8/26
    Yearly High:   97°F on 7/4/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 74.0%
    High: 74.0% at 12:24am
    Low:  70.0% at 12:00am
Dew Point: 65°F
Heat Index: 77°F
    High: 79°F at 12:03am

    Monthly High: 106°F on 9/1/26
    Yearly High:   117°F on 7/2/26
 
Wind Rose Wind & Related (Calm)
Current: SSW at 0.0mph
    High Today: 3.8mph at 12:00am
    Monthly High: 15.0mph on 9/2/26
    Yearly High:   38.8mph on 3/11/26
Wind Chill: 73°F
    Low: 73°F at 2:41am
    Monthly Low: 58°F on 9/8/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 0 miles
    Wind Run Month: 2 miles
    Wind Run Year:  4788 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 29.93in
    Rate of Change: -0.02in/hr
    High: 29.98in at 12:25am
    Low:  29.93in at 2:39am


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:    0.69in
Year-to-Date:  33.63in

 
UV Index UV Index
Current: 0.00
    Today's High: 0.00 at 12:00am
    Monthly High: 0.00 on 9/1/26
    Yearly High:   0.00 on 1/1/26

Solar Radiation

Solar Radiation
Current: 0.0 W/m2
    Today's High: 0.0 W/m2  at 12:00am
    Monthly High: 974.0W/m2 on 9/7/26
    Yearly High:   1255.0W/m2 on 6/12/26
 
Evapotranspiration Evapotranspiration
Today: 0.00in
    Monthly High:  0.13in on 9/8/26
    Yearly High:     0.19in on 5/5/26
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  1.2
   Month:  79.2
   Year:    1145.8
Heating Degree Days
    Today: 0.0
    Month: 6.7
    Year:   3047.1
Beyond the Stratosphere

Solar/Lunar Stats

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