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 8:00pm(EDT) on 10/24/26

 Temperature

Temperature
Current: 49°F
    Rate of Change: -3°F/hr.
    High: 60°F at 3:45pm
    Low: 37°F at 8:15am

    Monthly High: 84°F on 10/14/26
    Monthly Low: 36°F on 10/18/26
    Yearly High:   97°F on 7/4/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 79.0%
    High: 96.0% at 9:17am
    Low:  50.0% at 3:01pm
Dew Point: 43°F
Heat Index: 53°F
    High: 61°F at 3:50pm

    Monthly High: 89°F on 10/14/26
    Yearly High:   117°F on 7/2/26
 
Wind Rose Wind & Related (Calm)
Current: SE at 0.0mph
    High Today: 6.2mph at 1:20pm
    Monthly High: 15.0mph on 10/16/26
    Yearly High:   38.8mph on 3/11/26
Wind Chill: 49°F
    Low: 37°F at 8:15am
    Monthly Low: 36°F on 10/18/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 3 miles
    Wind Run Month: 34 miles
    Wind Run Year:  4830 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 30.55in
    Rate of Change: 0.01in/hr
    High: 30.57in at 11:46am
    Low:  30.45in at 12:02am


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:    3.65in
Year-to-Date:  38.94in

 
UV Index UV Index
Current: 0.00
    Today's High: 0.00 at 12:00am
    Monthly High: 0.00 on 10/1/26
    Yearly High:   0.00 on 1/1/26

Solar Radiation

Solar Radiation
Current: 0.0 W/m2
    Today's High: 617.0 W/m2  at 12:58pm
    Monthly High: 851.0W/m2 on 10/12/26
    Yearly High:   1255.0W/m2 on 6/12/26
 
Evapotranspiration Evapotranspiration
Today: 0.02in
    Monthly High:  0.08in on 10/1/26
    Yearly High:     0.19in on 5/5/26
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.0
   Month:  33.9
   Year:    1263.2
Heating Degree Days
    Today: 14.1
    Month: 195.3
    Year:   3296.8
Beyond the Stratosphere

Solar/Lunar Stats

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