Dayton, Maryland Weather

25th Year of Service to the Local Community
Lat 39.24°N, Long 76.99°W, Elev 540ft (168m)


National Weather Service Forecasts/Warnings for Central Maryland (Click Here)

Latest Weather Update at 2:29am(EDT) on 10/4/22

 Temperature

Temperature
Current: 48.0°F
    Rate of Change: -0.1°F/hr.
    High: 48.4°F at 12:21am
    Low: 47.9°F at 2:19am

    Monthly High: 61.7°F on 10/1/22
    Monthly Low: 47.0°F on 10/3/22
    Yearly High:   93.2°F on 8/4/22
    Yearly Low:    11.6°F on 1/27/22
 

Humidity

Humidity & Related
Relative Humidity: 96%
    High: 97% at 12:00am
    Low:  95% at 2:20am
Dew Point: 46.9°F
Heat Index: 54.6°F
    High: 55.1°F at 12:21am

    Monthly High: 68.3°F on 10/1/22
    Yearly High:   111.1°F on 8/9/22
 
Wind Rose Wind & Related (Calm)
Current: NNE at 0mph
    High Today: 9mph at 2:09am
    Monthly High: 30mph on 10/2/22
    Yearly High:   60mph on 2/18/22
Wind Chill: 48.0°F
    Low: 43.9°F at 2:18am
    Monthly Low: 40.9°F on 10/3/22
    Yearly Low:     -0.9°F on 1/21/22
    Wind Run Today: 0 miles
    Wind Run Month: 23 miles
    Wind Run Year:  6847 miles
 
Barometric Pressure Barometric Pressure (Falling)
Current: 1021.9mb
    Rate of Change: -0.5mb/hr
    High: 1023.4mb at 12:00am
    Low:  1021.9mb at 2:26am


Yearly High: 1041.8mb on 1/8/22
Yearly Low:  986.8mb on 1/17/22

 
Daily/Yearly Rain Precipitation

Today: 0.07in
    Hi Rain Rate:   0.08in/hr at 12:14am
    Current Hour:  0.01in
    Last 24 Hours: 0.42in

This Month:    1.64in
Year-to-Date:  33.97in

 
UV Index UV Index
Current: 0.0
    Today's High: 0.0 at 12:00am
    Monthly High: 2.4 on 10/3/22
    Yearly High:   9.6 on 9/23/22

Solar Radiation

Solar Radiation
Current: 0.0 W/m2
    Today's High: 0.0 W/m2  at 12:00am
    Monthly High: 462.0W/m2 on 10/3/22
    Yearly High:   1245.0W/m2 on 6/9/22
 
Evapotranspiration Evapotranspiration
Today: 0.00in
    Monthly High:  0.03in on 10/3/22
    Yearly High:     0.19in on 7/22/22
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.0
   Month:  0.0
   Year:    1210.6
Heating Degree Days
    Today: 1.8
    Month: 31.6
    Year:   2944.0
Beyond the Stratosphere

Solar/Lunar Stats

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