Dayton, Maryland Weather
No Mulch

20th 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 10:30pm(EDT) on 7/23/17

 Temperature

Temperature (Comfortable)
Current: 74.5°F
    Rate of Change: -0.1°F/hr.
    High: 85.8°F at 12:35pm
    Low:  72.0°F at 12:00am

    Monthly High: 92.1°F on 7/14/17
    Monthly Low:  61.8°F on 7/9/17
    Yearly High:   93.4°Fon 6/13/17
    Yearly Low:    10.1°Fon 1/9/17
 

Humidity

Humidity & Related
Relative Humidity: 100%
    High: 100% at 12:00am
    Low:  75% at 12:34pm
Dew Point: 74.5°F
Heat Index: 81.7°F
    High: 98.3°F at 12:19pm

    Monthly High: 108.3°F on 7/14/17
    Yearly High:   108.3°F on 7/14/17
 
Wind Rose Wind & Related (Calm)
Current: South South East at 0mph
    High: 10mph at 1:56pm
    Monthly High: 21mph on 7/8/17
    Yearly High:   52mph on 1/26/17
Wind Chill: 74.5°F
    Low: 72.0°F at 12:00am
    Monthly Low: 61.8°F on 7/9/17
    Yearly Low:   -6.1°F on 1/8/17
    Wind Run Today: 0 miles
    Wind Run Month: 11 miles
    Wind Run Year:   4041 miles
 
Barometric Pressure Barometric Pressure (Rising)
Current: 1010.1mb
    Rate of Change: 0.5 mb/hr
    High: 1010.5mb at 11:48am
    Low:  1008.7mb at 2:54am


Yearly High: 1043.5mb on 1/9/17
Yearly Low:  989.1mb on 4/6/17

 
Daily Rain   Precipitation
Today: 0.94in
    Hi Rain Rate:   0.66in/hr at 5:23pm
    Current Hour:  0.00in
    Last 24 Hours: 0.95in
 
   This Month:     3.02in
    Year-to-Date:  20.57in
 
UV Index UV Index
Current: 0.0
    Today's  High: 8.5 at 12:31pm
    Monthly High:   8.6 on 7/7/17
    Yearly High:     8.8 on 6/23/17

Solar Radiation

Solar Radiation
Current: 0.0 W/m2
    Today's High: 1021.0 W/m2  at 11:53am
    Monthly High:  1194.0W/m2 on 7/8/17
    Yearly High:     1322.0W/m2 on 6/24/17
 
Evapotranspiration Evapotranspiration
Today: 0.09in
    Monthly High:  0.16in on 7/1/17
    Yearly High:     0.17in on 6/11/17
 
Cooling Degree Days Degree Days
Cooling Degrees Days
    Today:  10.5
    Month:  273.8
    Year:    690.1
Heating Degree Days
     Today: 0.0
     Month: 0.9
     Year:   2524.4
Beyond the Stratosphere

Solar/Lunar Stats

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