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 7:30pm(EDT) on 8/30/25

 Temperature Temperature
Current: 67°F
    Rate of Change: -2°F/hr.
    High: 73°F at 3:01pm
    Low: 50°F at 7:08am

    Monthly High: 91°F on 8/17/25
    Monthly Low: 50°F on 8/30/25
    Yearly High:   95°F on 6/24/25
    Yearly Low:    3°F on 1/23/25
 
Humidity Humidity & Related
Relative Humidity: 59.0%
    High: 87.0% at 7:43am
    Low:  39.0% at 2:55pm
Dew Point: 52°F
Heat Index: 69°F
    High: 73°F at 3:04pm

    Monthly High: 104°F on 8/17/25
    Yearly High:   117°F on 6/23/25
 
Wind Rose Wind & Related (Calm)
Current: NW at 0.0mph
    High Today: 8.8mph at 11:06am
    Monthly High: 11.2mph on 8/9/25
    Yearly High:   40.0mph on 2/16/25
Wind Chill: 67°F
    Low: 50°F at 7:08am
    Monthly Low: 50°F on 8/30/25
    Yearly Low:     -5°F on 1/22/25
    Wind Run Today: 0 miles
    Wind Run Month: 9 miles
    Wind Run Year:  6382 miles
 
Barometric Pressure Barometric Pressure (Steady)
Current: 30.09in
    Rate of Change: 0.01in/hr
    High: 30.13in at 10:16am
    Low:  30.02in at 12:21am

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:   0.00in/hr at 12:00am
    Current Hour:  0.00in
 
Solar Radiation Solar Radiation
Current: 7.0 W/m2
    Today's High: 837.0 W/m2  at 12:51pm
    Monthly High: 1181.0W/m2 on 8/2/25
    Yearly High:   1257.0W/m2 on 7/7/25
 
Evapotranspiration Evapotranspiration
Today: 0.12in
    Monthly High:  0.15in on 8/10/25
    Yearly High:     0.18in on 6/22/25
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  1.8
   Month:  194.1
   Year:    1012.3
Heating Degree Days
    Today: 5.0
    Month: 31.1
    Year:   2918.6
Beyond the Stratosphere
Solar/Lunar Stats
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