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 12:45pm(EDT) on 9/22/17

 Temperature

Temperature (Comfortable)
Current: 76.2°F
    Rate of Change: 1.2°F/hr.
    High: 76.8°F at 12:16pm
    Low:  63.9°F at 6:52am

    Monthly High: 83.3°F on 9/5/17
    Monthly Low:  48.7°F on 9/10/17
    Yearly High:   93.4°F on 6/13/17
    Yearly Low:    10.1°F on 1/9/17
 

Humidity

Humidity & Related
Relative Humidity: 82%
    High: 100% at 5:06am
    Low:  76% at 12:15pm
Dew Point: 70.3°F
Heat Index: 80.7°F
    High: 81.4°F at 12:13pm

    Monthly High: 89.7°F on 9/5/17
    Yearly High:   108.0°F on 8/18/17
 
Wind Rose Wind & Related (Calm)
Current: South South West at 0mph
    High: 5mph at 11:51am
    Monthly High: 19mph on 9/5/17
    Yearly High:   52mph on 1/26/17
Wind Chill: 76.2°F
    Low: 63.9°F at 6:52am
    Monthly Low: 48.7°F on 9/10/17
    Yearly Low:   -6.1°F on 1/8/17
    Wind Run Today: 0 miles
    Wind Run Month: 17 miles
    Wind Run Year:   4083 miles
 
Barometric Pressure Barometric Pressure (Falling)
Current: 1019.0mb
    Rate of Change: -0.2 mb/hr
    High: 1020.1mb at 9:17am
    Low:  1018.1mb at 3:06am


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

 
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:     3.08in
    Year-to-Date:  31.05in
 
UV Index UV Index
Current: 2.6
    Today's  High: 4.0 at 11:24am
    Monthly High:   8.2 on 9/12/17
    Yearly High:     8.8 on 6/23/17

Solar Radiation

Solar Radiation
Current: 271.0 W/m2
    Today's High: 564.0 W/m2  at 11:25am
    Monthly High:  1095.0W/m2 on 9/12/17
    Yearly High:     1322.0W/m2 on 6/24/17
 
Evapotranspiration Evapotranspiration
Today: 0.02in
    Monthly High:  0.12in on 9/4/17
    Yearly High:     0.17in on 6/11/17
 
Cooling Degree Days Degree Days
Cooling Degrees Days
    Today:  1.4
    Month:  64.2
    Year:    1425.4
Heating Degree Days
     Today: 0.1
     Month: 57.8
     Year:   2620.1
Beyond the Stratosphere

Solar/Lunar Stats

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