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 7:45am(EDT) on 4/17/26

 Temperature

Temperature
Current: 64°F
    Rate of Change: 0°F/hr.
    High: 75°F at 12:00am
    Low: 63°F at 6:46am

    Monthly High: 88°F on 4/16/26
    Monthly Low: 28°F on 4/8/26
    Yearly High:   88°F on 4/16/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 85.0%
    High: 86.0% at 6:45am
    Low:  55.0% at 12:00am
Dew Point: 60°F
Heat Index: 69°F
    High: 76°F at 12:20am

    Monthly High: 89°F on 4/16/26
    Yearly High:   89°F on 4/16/26
 
Wind Rose Wind & Related (Calm)
Current: ENE at 0.0mph
    High Today: 11.2mph at 12:15am
    Monthly High: 22.5mph on 4/7/26
    Yearly High:   38.8mph on 3/11/26
Wind Chill: 64°F
    Low: 63°F at 6:46am
    Monthly Low: 28°F on 4/8/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 4 miles
    Wind Run Month: 459 miles
    Wind Run Year:  4365 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 29.86in
    Rate of Change: 0.02in/hr
    High: 29.86in at 7:43am
    Low:  29.79in at 12:11am


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:    0.88in
Year-to-Date:  7.95in

 
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: 81.0 W/m2
    Today's High: 83.0 W/m2  at 7:39am
    Monthly High: 1000.0W/m2 on 4/6/26
    Yearly High:   1000.0W/m2 on 4/6/26
 
Evapotranspiration Evapotranspiration
Today: 0.00in
    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:  1.4
   Month:  57.8
   Year:    90.9
Heating Degree Days
    Today: 0.1
    Month: 134.5
    Year:   2660.0
Beyond the Stratosphere

Solar/Lunar Stats

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