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 10:30am(EDT) on 10/16/21

 Temperature

Temperature [Heat Stress (---)]
Current: 71.5°F
    Rate of Change: 2.6°F/hr.
    High: 71.5°F at 10:19am
    Low: 63.0°F at 6:35am

    Monthly High: 81.4°F on 10/3/21
    Monthly Low: 46.3°F on 10/1/21
    Yearly High:   94.3°F on 8/13/21
    Yearly Low:    18.3°F on 2/21/21
 

Humidity

Humidity & Related
Relative Humidity: 86%
    High: 96% at 6:37am
    Low:  86% at 10:11am
Dew Point: 67.1°F
Heat Index: 76.6°F
    High: 76.7°F at 10:19am

    Monthly High: 85.0°F on 10/4/21
    Yearly High:   115.4°F on 8/13/21
 
Wind Rose Wind & Related (Calm)
Current: SSE at 2mph
    High Today: 18mph at 10:09am
    Monthly High: 18mph on 10/16/21
    Yearly High:   50mph on 6/21/21
Wind Chill: 71.5°F
    Low: 63.0°F at 6:35am
    Monthly Low: 46.3°F on 10/1/21
    Yearly Low:     6.3°F on 1/29/21
    Wind Run Today: 1 miles
    Wind Run Month: 14 miles
    Wind Run Year:  7134 miles
 
Barometric Pressure Barometric Pressure (Falling)
Current: 1007.2mb
    Rate of Change: -0.6mb/hr
    High: 1012.4mb at 12:00am
    Low:  1007.2mb at 10:23am


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:    0.21in
Year-to-Date:  33.84in

 
UV Index UV Index
Current: 0.0
    Today's High: 0.0 at 12:00am
    Monthly High: 4.5 on 10/7/21
    Yearly High:   9.5 on 8/20/21

Solar Radiation

Solar Radiation
Current: 149.0 W/m2
    Today's High: 336.0 W/m2  at 9:31am
    Monthly High: 861.0W/m2 on 10/8/21
    Yearly High:   1239.0W/m2 on 4/16/21
 
Evapotranspiration Evapotranspiration
Today: 0.00in
    Monthly High:  0.08in on 10/3/21
    Yearly High:     0.18in on 6/5/21
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.6
   Month:  36.7
   Year:    1244.0
Heating Degree Days
    Today: 0.2
    Month: 37.4
    Year:   2974.2
Beyond the Stratosphere

Solar/Lunar Stats

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