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 9:00am(EDT) on 2/18/19

 Temperature

Temperature (Cool)
Current: 37.9°F
    Rate of Change: 1.5°F/hr.
    High: 37.9°F at 8:56am
    Low:  33.1°F at 12:00am

    Monthly High: 67.0°F on 2/5/19
    Monthly Low:  7.2°F on 2/1/19
    Yearly High:   67.0°F on 2/5/19
    Yearly Low:    0.7°F on 1/31/19
 

Humidity

Humidity & Related
Relative Humidity: 99%
    High: 99% at 7:55am
    Low:  96% at 12:00am
Dew Point: 37.6°F
Heat Index: 44.9°F
    High: 44.9°F at 8:56am

    Monthly High: 69.1°F on 2/5/19
    Yearly High:   69.1°F on 2/5/19
 
Wind Rose Wind & Related (Calm)
Current: West at 0mph
    High: 14mph at 1:30am
    Monthly High: 44mph on 2/8/19
    Yearly High:   44mph on 2/8/19
Wind Chill: 37.9°F
    Low: 24.1°F at 12:12am
    Monthly Low: 7.2°F on 2/1/19
    Yearly Low:   -9.9°F on 1/21/19
    Wind Run Today: 2 miles
    Wind Run Month: 364 miles
    Wind Run Year:   1528 miles
 
Barometric Pressure Barometric Pressure (Rising)
Current: 1014.1mb
    Rate of Change: 1.1 mb/hr
    High: 1014.2mb at 8:54am
    Low:  1008.7mb at 3:42am


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

 
Daily Rain   Precipitation
Today: 0.25in
    Hi Rain Rate:   0.09in/hr at 2:59am
    Current Hour:  0.00in
    Last 24 Hours: 0.40in
 
   This Month:     2.01in
    Year-to-Date:  5.92in
 
UV Index UV Index
Current: 0.0
    Today's  High: 0.0 at 12:00am
    Monthly High:   2.2 on 2/5/19
    Yearly High:     3.2 on 1/1/19

Solar Radiation

Solar Radiation
Current: 93.0 W/m2
    Today's High: 114.0 W/m2  at 8:54am
    Monthly High:  628.0W/m2 on 2/8/19
    Yearly High:     628.0W/m2 on 2/8/19
 
Evapotranspiration Evapotranspiration
Today: 0.00in
    Monthly High:  0.07in on 2/15/19
    Yearly High:     0.07in on 2/15/19
 
Cooling Degree Days Degree Days
Cooling Degrees Days
    Today:  0.0
    Month:  0.2
    Year:    0.2
Heating Degree Days
     Today: 11.9
     Month: 502.4
     Year:   1516.6
Beyond the Stratosphere

Solar/Lunar Stats

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