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 1:01am(EDT) on 6/20/19


Temperature (Comfortable)
Current: 72.3°F
    Rate of Change: -0.9°F/hr.
    High: 73.5°F at 12:00am
    Low:  72.3°F at 12:57am

    Monthly High: 86.0°F on 6/17/19
    Monthly Low:  45.8°F on 6/4/19
    Yearly High:   87.5°F on 5/29/19
    Yearly Low:    0.7°F on 1/31/19


Humidity & Related
Relative Humidity: 100%
    High: 100% at 12:00am
    Low:  100% at 12:00am
Dew Point: 72.3°F
Heat Index: 79.5°F
    High: 80.7°F at 12:00am

    Monthly High: 93.0°F on 6/17/19
    Yearly High:   94.8°F on 5/29/19
Wind Rose Wind & Related (Calm)
Current: South West at 0mph
    High: 0mph at 12:00am
    Monthly High: 29mph on 6/9/19
    Yearly High:   49mph on 2/25/19
Wind Chill: 72.3°F
    Low: 72.3°F at 12:57am
    Monthly Low: 45.8°F on 6/4/19
    Yearly Low:   -9.9°F on 1/21/19
    Wind Run Today: 0 miles
    Wind Run Month: 17 miles
    Wind Run Year:   3812 miles
Barometric Pressure Barometric Pressure (Falling)
Current: 1005.1mb
    Rate of Change: -0.5 mb/hr
    High: 1005.9mb at 12:00am
    Low:  1005.1mb at 12:54am

Yearly High: 1043.8mb on 2/9/19
Yearly Low:  993.8mb on 1/20/19

Daily Rain   Precipitation
Today: 0.00in
    Hi Rain Rate:   0.01in/hr at 12:00am
    Current Hour:  0.00in
    Last 24 Hours: 0.38in
   This Month:     2.29in
    Year-to-Date:  23.73in
UV Index UV Index
Current: 0.0
    Today's  High: 0.0 at 12:00am
    Monthly High:   6.8 on 6/19/19
    Yearly High:     6.8 on 5/21/19

Solar Radiation

Solar Radiation
Current: 0.0 W/m2
    Today's High: 0.0 W/m2  at 12:00am
    Monthly High:  1209.0W/m2 on 6/17/19
    Yearly High:     1220.0W/m2 on 5/27/19
Evapotranspiration Evapotranspiration
Today: 0.00in
    Monthly High:  0.15in on 6/1/19
    Yearly High:     0.15in on 5/24/19
Cooling Degree Days Degree Days
Cooling Degrees Days
    Today:  0.5
    Month:  95.9
    Year:    250.7
Heating Degree Days
     Today: 0.0
     Month: 32.5
     Year:   2976.6
Beyond the Stratosphere

Solar/Lunar Stats

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