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 10:00pm(EDT) on 4/22/18

 Temperature

Temperature (Cool)
Current: 49.5°F
    Rate of Change: -3.3°F/hr.
    High: 65.9°F at 3:12pm
    Low:  43.3°F at 5:59am

    Monthly High: 84.1°F on 4/14/18
    Monthly Low:  28.7°F on 4/8/18
    Yearly High:   84.1°F on 4/14/18
    Yearly Low:    1.5°F on 1/7/18
 

Humidity

Humidity & Related
Relative Humidity: 67%
    High: 85% at 3:35am
    Low:  37% at 1:42pm
Dew Point: 39.0°F
Heat Index: 52.1°F
    High: 65.9°F at 3:51pm

    Monthly High: 83.7°F on 4/14/18
    Yearly High:   83.7°F on 4/14/18
 
Wind Rose Wind & Related (Calm)
Current: South East at 0mph
    High: 10mph at 12:40pm
    Monthly High: 52mph on 4/4/18
    Yearly High:   54mph on 3/2/18
Wind Chill: 49.5°F
    Low: 43.3°F at 5:59am
    Monthly Low: 21.2°F on 4/8/18
    Yearly Low:   -10.0°F on 1/5/18
    Wind Run Today: 2 miles
    Wind Run Month: 743 miles
    Wind Run Year:   3912 miles
 
Barometric Pressure Barometric Pressure (Rising)
Current: 1030.4mb
    Rate of Change: 0.5 mb/hr
    High: 1031.9mb at 8:30am
    Low:  1028.6mb at 5:29pm


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:     1.92in
    Year-to-Date:  10.15in
 
UV Index UV Index
Current: 0.0
    Today's  High: 6.9 at 12:47pm
    Monthly High:   7.5 on 4/18/18
    Yearly High:     7.5 on 4/18/18

Solar Radiation

Solar Radiation
Current: 0.0 W/m2
    Today's High: 902.0 W/m2  at 12:42pm
    Monthly High:  1190.0W/m2 on 4/19/18
    Yearly High:     1190.0W/m2 on 4/19/18
 
Evapotranspiration Evapotranspiration
Today: 0.12in
    Monthly High:  0.17in on 4/13/18
    Yearly High:     0.17in on 4/13/18
 
Heating Degree Days Degree Days
Cooling Degrees Days
    Today:  0.0
    Month:  20.7
    Year:    31.6
Heating Degree Days
     Today: 10.6
     Month: 381.0
     Year:   2879.1
Beyond the Stratosphere

Solar/Lunar Stats

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