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 2:45am(EDT) on 2/19/18


Temperature (Cool)
Current: 37.2°F
    Rate of Change: -0.1°F/hr.
    High: 37.6°F at 1:42am
    Low:  36.9°F at 12:07am

    Monthly High: 67.9°F on 2/15/18
    Monthly Low:  12.3°F on 2/3/18
    Yearly High:   67.9°F on 2/15/18
    Yearly Low:    1.5°F on 1/7/18


Humidity & Related
Relative Humidity: 86%
    High: 86% at 2:38am
    Low:  82% at 12:00am
Dew Point: 33.4°F
Heat Index: 42.3°F
    High: 42.4°F at 1:42am

    Monthly High: 71.6°F on 2/15/18
    Yearly High:   73.5°F on 1/12/18
Wind Rose Wind & Related (Light Air)
Current: South East at 2mph
    High: 16mph at 2:36am
    Monthly High: 36mph on 2/16/18
    Yearly High:   44mph on 1/5/18
Wind Chill: 36.7°F
    Low: 28.1°F at 2:36am
    Monthly Low: 3.0°F on 2/2/18
    Yearly Low:   -10.0°F on 1/5/18
    Wind Run Today: 2 miles
    Wind Run Month: 375 miles
    Wind Run Year:   1611 miles
Barometric Pressure Barometric Pressure (Falling)
Current: 1034.3mb
    Rate of Change: -0.1 mb/hr
    High: 1034.7mb at 12:28am
    Low:  1034.2mb at 1:53am

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: 0.0 at 12:00am
    Monthly High:   4.5 on 2/18/18
    Yearly High:     4.5 on 2/18/18

Solar Radiation

Solar Radiation
Current: 0.0 W/m2
    Today's High: 0.0 W/m2  at 12:00am
    Monthly High:  837.0W/m2 on 2/8/18
    Yearly High:     837.0W/m2 on 2/8/18
Evapotranspiration Evapotranspiration
Today: 0.00in
    Monthly High:  0.04in on 2/2/18
    Yearly High:     0.05in on 1/23/18
Heating Degree Days Degree Days
Cooling Degrees Days
    Today:  0.0
    Month:  0.5
    Year:    0.8
Heating Degree Days
     Today: 3.5
     Month: 505.6
     Year:   1519.2
Beyond the Stratosphere

Solar/Lunar Stats

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