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 2:15pm(EDT) on 10/22/18

 Temperature

Temperature (Cool)
Current: 54.1°F
    Rate of Change: 2.3°F/hr.
    High: 54.1°F at 2:14pm
    Low:  33.4°F at 7:50am

    Monthly High: 85.5°F on 10/4/18
    Monthly Low:  33.4°F on 10/22/18
    Yearly High:   96.1°F on 7/2/18
    Yearly Low:    1.5°F on 1/7/18
 

Humidity

Humidity & Related
Relative Humidity: 55%
    High: 96% at 9:20am
    Low:  54% at 1:36pm
Dew Point: 38.3°F
Heat Index: 55.4°F
    High: 55.6°F at 2:02pm

    Monthly High: 94.4°F on 10/4/18
    Yearly High:   112.5°F on 7/3/18
 
Wind Rose Wind & Related (Calm)
Current: South at 0mph
    High: 4mph at 1:09pm
    Monthly High: 36mph on 10/21/18
    Yearly High:   54mph on 3/2/18
Wind Chill: 54.1°F
    Low: 33.4°F at 7:50am
    Monthly Low: 33.4°F on 10/22/18
    Yearly Low:   -10.0°F on 1/5/18
    Wind Run Today: 0 miles
    Wind Run Month: 89 miles
    Wind Run Year:   4242 miles
 
Barometric Pressure Barometric Pressure (Falling)
Current: 1024.3mb
    Rate of Change: -1.2 mb/hr
    High: 1028.4mb at 9:49am
    Low:  1024.3mb at 2:13pm


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:     2.00in
    Year-to-Date:  51.72in
 
UV Index UV Index
Current: 0.9
    Today's  High: 2.6 at 12:42pm
    Monthly High:   5.1 on 10/2/18
    Yearly High:     9.1 on 7/23/18

Solar Radiation

Solar Radiation
Current: 167.0 W/m2
    Today's High: 601.0 W/m2  at 12:52pm
    Monthly High:  909.0W/m2 on 10/2/18
    Yearly High:     1246.0W/m2 on 5/23/18
 
Evapotranspiration Evapotranspiration
Today: 0.02in
    Monthly High:  0.08in on 10/1/18
    Yearly High:     0.18in on 5/2/18
 
Cooling Degree Days Degree Days
Cooling Degrees Days
    Today:  0.0
    Month:  81.7
    Year:    1325.5
Heating Degree Days
     Today: 15.3
     Month: 134.4
     Year:   3237.2
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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