Dayton, Maryland Weather

27th Year of Service to the Local Community
Lat 39.243°N, Long 76.998°W, Elev 550ft (168m)


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

Latest Weather Update at 11:15pm(EDT) on 6/30/25

 Temperature Temperature
Current: 82°F
    Rate of Change: -1°F/hr.
    High: 89°F at 3:21pm
    Low: 73°F at 12:00am

    Monthly High: 95°F on 6/24/25
    Monthly Low: 45°F on 6/2/25
    Yearly High:   95°F on 6/24/25
    Yearly Low:    3°F on 1/23/25
 
Humidity Humidity & Related
Relative Humidity: 80.0%
    High: 96.0% at 2:50am
    Low:  61.0% at 4:02pm
Dew Point: 75°F
Heat Index: 88°F
    High: 103°F at 12:03pm

    Monthly High: 117°F on 6/23/25
    Yearly High:   117°F on 6/23/25
 
Wind Rose Wind & Related (Calm)
Current: SSE at 0.0mph
    High Today: 5.0mph at 2:11pm
    Monthly High: 12.5mph on 6/19/25
    Yearly High:   40.0mph on 2/16/25
Wind Chill: 82°F
    Low: 73°F at 12:00am
    Monthly Low: 45°F on 6/2/25
    Yearly Low:     -5°F on 1/22/25
    Wind Run Today: 0 miles
    Wind Run Month: 15 miles
    Wind Run Year:  6365 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 29.88in
    Rate of Change: 0.01in/hr
    High: 29.98in at 8:58am
    Low:  29.84in at 6:17pm

Yearly High: 30.67in on 2/14/25
Yearly Low:  29.10in on 2/16/25
 
Daily Rain Precipitation
Today: 0.00in
    Hi Rain Rate:   0.01in/hr at 12:00am
    Current Hour:  0.00in
 
Solar Radiation Solar Radiation
Current: 0.0 W/m2
    Today's High: 1023.0 W/m2  at 12:50pm
    Monthly High: 1120.0W/m2 on 6/7/25
    Yearly High:   1241.0W/m2 on 5/23/25
 
Evapotranspiration Evapotranspiration
Today: 0.16in
    Monthly High:  0.18in on 6/22/25
    Yearly High:     0.18in on 6/22/25
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  15.7
   Month:  273.8
   Year:    421.7
Heating Degree Days
    Today: 0.0
    Month: 25.3
    Year:   2886.9
Beyond the Stratosphere
Solar/Lunar Stats
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