Dayton, Maryland Weather

21st Year of Service to the Local Community
Lat 39.24°N, Long 76.99°W, Elev 540ft (165m)


National Weather Service Forecasts for Central Maryland (Click Here)

National Weather Service Warnings for Central Maryland (Click Here)

Latest Weather Update at 4:15pm(EDT) on 2/20/18

 Temperature

Temperature (Comfortable)
Current: 75.3°F
    Rate of Change: -0.6°F/hr.
    High: 77.4°F at 2:55pm
    Low:  46.6°F at 12:00am

    Monthly High: 77.4°F on 2/20/18
    Monthly Low:  12.3°F on 2/3/18
    Yearly High:   77.4°F on 2/20/18
    Yearly Low:    1.5°F on 1/7/18
 

Humidity

Humidity & Related
Relative Humidity: 58%
    High: 100% at 12:00am
    Low:  54% at 2:56pm
Dew Point: 59.5°F
Heat Index: 76.9°F
    High: 78.9°F at 2:55pm

    Monthly High: 78.9°F on 2/20/18
    Yearly High:   78.9°F on 2/20/18
 
Wind Rose Wind & Related (Moderate Breeze)
Current: South at 14mph
    High: 22mph at 11:53am
    Monthly High: 36mph on 2/16/18
    Yearly High:   44mph on 1/5/18
Wind Chill: 75.3°F
    Low: 43.7°F at 12:07am
    Monthly Low: 3.0°F on 2/2/18
    Yearly Low:   -10.0°F on 1/5/18
    Wind Run Today: 11 miles
    Wind Run Month: 388 miles
    Wind Run Year:   1625 miles
 
Barometric Pressure Barometric Pressure (Falling)
Current: 1026.5mb
    Rate of Change: -0.2 mb/hr
    High: 1030.6mb at 9:22am
    Low:  1026.4mb at 4:09pm


Yearly High: 1045.7mb on 2/13/18
Yearly Low:  994.9mb on 1/13/18

 
Daily 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:     3.82in
    Year-to-Date:  5.29in
 
UV Index UV Index
Current: 0.0
    Today's  High: 4.3 at 12:27pm
    Monthly High:   4.5 on 2/18/18
    Yearly High:     4.5 on 2/18/18

Solar Radiation

Solar Radiation
Current: 120.0 W/m2
    Today's High: 640.0 W/m2  at 12:05pm
    Monthly High:  837.0W/m2 on 2/8/18
    Yearly High:     837.0W/m2 on 2/8/18
 
Evapotranspiration Evapotranspiration
Today: 0.06in
    Monthly High:  0.06in on 2/20/18
    Yearly High:     0.06in on 2/20/18
 
Heating Degree Days Degree Days
Cooling Degrees Days
    Today:  1.9
    Month:  2.4
    Year:    2.6
Heating Degree Days
     Today: 6.4
     Month: 532.8
     Year:   1546.4
Beyond the Stratosphere

Solar/Lunar Stats

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Weather information is provided without warranty of any kind as to accuracy or timeliness.

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