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 1:30pm(EDT) on 11/24/17


Temperature (Cool)
Current: 53.1°F
    Rate of Change: 2.8°F/hr.
    High: 53.1°F at 1:28pm
    Low:  26.3°F at 7:32am

    Monthly High: 73.6°F on 11/3/17
    Monthly Low:  20.1°F on 11/11/17
    Yearly High:   93.4°F on 6/13/17
    Yearly Low:    10.1°F on 1/9/17


Humidity & Related
Relative Humidity: 42%
    High: 93% at 8:19am
    Low:  40% at 1:19pm
Dew Point: 30.6°F
Heat Index: 53.2°F
    High: 53.2°F at 1:28pm

    Monthly High: 76.4°F on 11/3/17
    Yearly High:   108.0°F on 8/18/17
Wind Rose Wind & Related (Calm)
Current: South East at 0mph
    High: 12mph at 11:27am
    Monthly High: 42mph on 11/18/17
    Yearly High:   52mph on 1/26/17
Wind Chill: 53.1°F
    Low: 26.3°F at 7:32am
    Monthly Low: 15.1°F on 11/11/17
    Yearly Low:   -6.1°F on 1/8/17
    Wind Run Today: 2 miles
    Wind Run Month: 373 miles
    Wind Run Year:   4590 miles
Barometric Pressure Barometric Pressure (Falling)
Current: 1017.9mb
    Rate of Change: -0.9 mb/hr
    High: 1021.2mb at 7:49am
    Low:  1017.8mb at 1:29pm

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:     1.97in
    Year-to-Date:  36.19in
UV Index UV Index
Current: 0.9
    Today's  High: 2.0 at 11:37am
    Monthly High:   3.5 on 11/4/17
    Yearly High:     8.8 on 6/23/17

Solar Radiation

Solar Radiation
Current: 128.0 W/m2
    Today's High: 487.0 W/m2  at 11:35am
    Monthly High:  751.0W/m2 on 11/4/17
    Yearly High:     1322.0W/m2 on 6/24/17
Evapotranspiration Evapotranspiration
Today: 0.02in
    Monthly High:  0.05in on 11/19/17
    Yearly High:     0.17in on 6/11/17
Heating Degree Days Degree Days
Cooling Degrees Days
    Today:  0.0
    Month:  4.4
    Year:    1544.6
Heating Degree Days
     Today: 17.7
     Month: 467.3
     Year:   3326.9
Beyond the Stratosphere

Solar/Lunar Stats

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