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 5:15pm(EDT) on 2/11/26

 Temperature

Temperature
Current: 40°F
    Rate of Change: -1°F/hr.
    High: 46°F at 4:30am
    Low: 39°F at 3:30am

    Monthly High: 46°F on 2/11/26
    Monthly Low: 6°F on 2/9/26
    Yearly High:   58°F on 1/7/26
    Yearly Low:    3°F on 1/31/26
 

Humidity

Humidity & Related
Relative Humidity: 58.0%
    High: 79.0% at 3:30am
    Low:  49.0% at 2:02pm
Dew Point: 26°F
Heat Index: 41°F
    High: 49°F at 4:30am

    Monthly High: 49°F on 2/11/26
    Yearly High:   60°F on 1/7/26
 
Wind Rose Wind & Related (Gentle Breeze)
Current: WNW at 10.0mph
    High Today: 21.2mph at 12:58pm
    Monthly High: 31.2mph on 2/7/26
    Yearly High:   31.2mph on 2/7/26
Wind Chill: 34°F
    Low: 31°F at 5:14pm
    Monthly Low: -6°F on 2/1/26
    Yearly Low:     -9°F on 1/24/26
    Wind Run Today: 72 miles
    Wind Run Month: 708 miles
    Wind Run Year:  2091 miles
 
Barometric Pressure Barometric Pressure (Rising)
Current: 29.92in
    Rate of Change: 0.02in/hr
    High: 29.92in at 5:08pm
    Low:  29.73in at 1:00am


Yearly High: 30.74in on 1/24/26
Yearly Low:  29.40in on 1/15/26

 
Daily/Yearly 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:    0.15in
Year-to-Date:  1.30in

 
UV Index UV Index
Current: 0.00
    Today's High: 0.00 at 12:00am
    Monthly High: 0.00 on 2/1/26
    Yearly High:   0.00 on 1/1/26

Solar Radiation

Solar Radiation
Current: 12.0 W/m2
    Today's High: 657.0 W/m2  at 2:03pm
    Monthly High: 657.0W/m2 on 2/11/26
    Yearly High:   657.0W/m2 on 2/11/26
 
Evapotranspiration Evapotranspiration
Today: 0.05in
    Monthly High:  0.05in on 2/11/26
    Yearly High:     0.06in on 1/22/26
 
Cooling Degree Days Degree Days
Cooling Degrees Days
   Today:  0.0
   Month:  0.0
   Year:    0.0
Heating Degree Days
    Today: 15.9
    Month: 428.6
    Year:   1528.4
Beyond the Stratosphere

Solar/Lunar Stats

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