Dayton, Maryland Weather

25th Year of Service to the Local Community
Lat 39.24°N, Long 76.99°W, Elev 540ft (168m)

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

Latest Weather Update at 8:45am(EDT) on 12/6/22


Current: 42.2°F
    Rate of Change: 0.3°F/hr.
    High: 42.4°F at 8:10am
    Low: 37.3°F at 2:05am

    Monthly High: 63.4°F on 12/3/22
    Monthly Low: 24.1°F on 12/2/22
    Yearly High:   93.2°F on 8/4/22
    Yearly Low:    11.6°F on 1/27/22


Humidity & Related
Relative Humidity: 93%
    High: 94% at 8:02am
    Low:  80% at 12:00am
Dew Point: 40.3°F
Heat Index: 48.3°F
    High: 48.6°F at 8:10am

    Monthly High: 67.2°F on 12/3/22
    Yearly High:   111.1°F on 8/9/22
Wind Rose Wind & Related (Calm)
Current: ESE at 0mph
    High Today: 5mph at 12:00am
    Monthly High: 24mph on 12/3/22
    Yearly High:   60mph on 2/18/22
Wind Chill: 42.2°F
    Low: 34.8°F at 12:40am
    Monthly Low: 24.1°F on 12/1/22
    Yearly Low:     -0.9°F on 1/21/22
    Wind Run Today: 1 miles
    Wind Run Month: 238 miles
    Wind Run Year:  8440 miles
Barometric Pressure Barometric Pressure (Rising)
Current: 1024.6mb
    Rate of Change: 0.1mb/hr
    High: 1024.9mb at 2:27am
    Low:  1023.6mb at 5:58am

Yearly High: 1041.8mb on 1/8/22
Yearly Low:  986.8mb on 1/17/22

Daily/Yearly Rain Precipitation

Today: 0.04in
    Hi Rain Rate:   0.03in/hr at 8:44am
    Current Hour:  0.03in
    Last 24 Hours: 0.04in

This Month:    0.66in
Year-to-Date:  39.25in

UV Index UV Index
Current: 0.0
    Today's High: 0.0 at 12:00am
    Monthly High: 1.5 on 12/2/22
    Yearly High:   9.6 on 9/23/22

Solar Radiation

Solar Radiation
Current: 21.0 W/m2
    Today's High: 21.0 W/m2  at 8:43am
    Monthly High: 380.0W/m2 on 12/4/22
    Yearly High:   1245.0W/m2 on 6/9/22
Evapotranspiration Evapotranspiration
Today: 0.00in
    Monthly High:  0.03in on 12/3/22
    Yearly High:     0.19in on 7/22/22
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.0
   Month:  0.0
   Year:    1246.5
Heating Degree Days
    Today: 9.4
    Month: 131.7
    Year:   3848.7
Beyond the Stratosphere

Solar/Lunar Stats

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