Dayton, Maryland Weather

22nd Year of Service to the Local Community
Lat 39.24°N, Long 76.99°W, Elev 600ft (183m)


National Weather Service Forecasts for Central Maryland (Click Here)

National Weather Service Warnings for Central Maryland (Click Here)

Latest Weather Update at 3:45pm(EDT) on 7/5/20

 Temperature

Temperature (Warm)
Current: 86.8°F
    Rate of Change: -0.2°F/hr.
    High: 89.2°F at 3:04pm
    Low:  71.1°F at 3:52am

    Monthly High: 90.7°F on 7/3/20
    Monthly Low:  64.4°F on 7/2/20
    Yearly High:   90.7°F on 6/3/20
    Yearly Low:    15.3°F on 2/15/20
 

Humidity

Humidity & Related
Relative Humidity: 67%
    High: 99% at 7:47am
    Low:  63% at 3:33pm
Dew Point: 74.5°F
Heat Index: 95.7°F
    High: 102.9°F at 3:04pm

    Monthly High: 102.9°F on 7/5/20
    Yearly High:   102.9°F on 7/5/20
 
Wind Rose Wind & Related (Calm)
Current: South South East at 0mph
    High: 0mph at 12:00am
    Monthly High: 6mph on 7/4/20
    Yearly High:   42mph on 2/27/20
Wind Chill: 86.8°F
    Low: 71.1°F at 3:52am
    Monthly Low: 64.4°F on 7/2/20
    Yearly Low:   7.6°F on 1/20/20
    Wind Run Today: 0 miles
    Wind Run Month: 0 miles
    Wind Run Year:   3182 miles
 
Barometric Pressure Barometric Pressure (Falling)
Current: 1014.8mb
    Rate of Change: -0.6 mb/hr
    High: 1016.9mb at 11:50am
    Low:  1014.8mb at 4:31am


Yearly High: 1044.4mb on 1/9/20
Yearly Low:  981.2mb on 2/7/20

 
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:     0.54in
    Year-to-Date:  23.96in
 
UV Index UV Index
Current: 2.2
    Today's  High: 8.5 at 1:31pm
    Monthly High:   9.0 on 7/2/20
    Yearly High:     10.0 on 5/2/20

Solar Radiation

Solar Radiation
Current: 174.0 W/m2
    Today's High: 1014.0 W/m2  at 1:49pm
    Monthly High:  1100.0W/m2 on 7/1/20
    Yearly High:     1345.0W/m2 on 6/14/20
 
Evapotranspiration Evapotranspiration
Today: 0.10in
    Monthly High:  0.16in on 7/3/20
    Yearly High:     0.16in on 6/7/20
 
Cooling Degree Days Degree Days
Cooling Degrees Days
    Today:  8.1
    Month:  50.8
    Year:    326.1
Heating Degree Days
     Today: 0.0
     Month: 0.0
     Year:   2796.5
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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