Dayton, Maryland Weather

24th Year of Service to the Local Community
Lat 39.24°N, Long 76.99°W, Elev 540ft (168m)

National Weather Service Forecasts for Central Maryland (Click Here)
National Weather Service Warnings for Central Maryland (Click Here)

Latest Weather Update at 11:59am(EDT) on 5/7/21


Temperature (Cool)
    Rate of Change: 0.8°F/hr.
    High: 60.3°F at 11:44am
    Low: 43.7°F at 5:05am

    Monthly High: 84.3°F on 5/4/21
    Monthly Low: 42.7°F on 5/6/21
    Yearly High:   86.9°F on 4/28/21
    Yearly Low:    18.3°F on 2/21/21


Humidity & Related
Relative Humidity: 61%
    High: 95% at 3:37am
    Low:  59% at 11:56am
Dew Point: 46.4°F
Heat Index: 61.8°F
    High: 62.6°F at 11:50am

    Monthly High: 88.3°F on 5/4/21
    Yearly High:   88.6°F on 4/28/21
Wind Rose Wind & Related (Calm)
Current: ESE at 0mph
    High Today: 10mph at 9:24am
    Monthly High: 22mph on 5/5/21
    Yearly High:   34mph on 3/28/21
Wind Chill: 59.9°F
    Low: 43.7°F at 5:05am
    Monthly Low: 38.4°F on 5/1/21
    Yearly Low:     6.3°F on 1/29/21
    Wind Run Today: 3 miles
    Wind Run Month: 131 miles
    Wind Run Year:  6453 miles
Barometric Pressure Barometric Pressure (Falling)
Current: 1013.5mb
    Rate of Change: -0.2mb/hr
    High: 1016.3mb at 12:00am
    Low:  1013.5mb at 11:50am

Yearly High: 1040.0mb on 2/21/21
Yearly Low:  997.8mb on 4/11/21

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:    0.67in
Year-to-Date:  11.75in

UV Index UV Index
Current: 1.5
    Today's High: 3.0 at 11:50am
    Monthly High: 7.8 on 5/3/21
    Yearly High:   7.8 on 5/3/21

Solar Radiation

Solar Radiation
Current: 299.0 W/m2
    Today's High: 747.0 W/m2  at 10:07am
    Monthly High: 1118.0W/m2 on 5/4/21
    Yearly High:   1239.0W/m2 on 4/16/21
Evapotranspiration Evapotranspiration
Today: 0.02in
    Monthly High:  0.17in on 5/2/21
    Yearly High:     0.18in on 3/26/21
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.0
   Month:  19.5
   Year:    70.8
Heating Degree Days
    Today: 7.7
    Month: 35.2
    Year:   2667.0
Beyond the Stratosphere

Solar/Lunar Stats

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