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 6:03pm(EDT) on 10/11/26

 Temperature

Temperature
Current: 63°F
    Rate of Change: -0°F/hr.
    High: 64°F at 4:54pm
    Low: 59°F at 4:55am

    Monthly High: 83°F on 10/2/26
    Monthly Low: 42°F on 10/7/26
    Yearly High:   97°F on 7/4/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 94.0%
    High: 95.0% at 11:06am
    Low:  81.0% at 12:00am
Dew Point: 62°F
Heat Index: 70°F
    High: 71°F at 4:54pm

    Monthly High: 88°F on 10/2/26
    Yearly High:   117°F on 7/2/26
 
Wind Rose Wind & Related (Calm)
Current: NNE at 0.0mph
    High Today: 8.8mph at 8:27am
    Monthly High: 10.0mph on 10/5/26
    Yearly High:   38.8mph on 3/11/26
Wind Chill: 63°F
    Low: 59°F at 8:27am
    Monthly Low: 42°F on 10/7/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 1 miles
    Wind Run Month: 10 miles
    Wind Run Year:  4806 miles
 
Barometric Pressure Barometric Pressure (Falling)
Current: 29.83in
    Rate of Change: -0.03in/hr
    High: 30.34in at 12:00am
    Low:  29.83in at 6:01pm


Yearly High: 30.74in on 1/24/26
Yearly Low:  29.23in on 3/16/26

 
Daily/Yearly Rain Precipitation

Today: 2.22in
    Hi Rain Rate:   0.33in/hr at 8:15am
    Current Hour:  0.03in
    Last 24 Hours: 2.22in

This Month:    2.54in
Year-to-Date:  37.83in

 
UV Index UV Index
Current: 0.00
    Today's High: 0.00 at 12:00am
    Monthly High: 0.00 on 10/1/26
    Yearly High:   0.00 on 1/1/26

Solar Radiation

Solar Radiation
Current: 19.0 W/m2
    Today's High: 100.0 W/m2  at 4:36pm
    Monthly High: 824.0W/m2 on 10/3/26
    Yearly High:   1255.0W/m2 on 6/12/26
 
Evapotranspiration Evapotranspiration
Today: 0.01in
    Monthly High:  0.08in on 10/1/26
    Yearly High:     0.19in on 5/5/26
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.0
   Month:  17.0
   Year:    1246.4
Heating Degree Days
    Today: 3.1
    Month: 65.7
    Year:   3167.1
Beyond the Stratosphere

Solar/Lunar Stats

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