Dayton, Maryland Weather

23rd 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 1:29pm(EDT) on 2/26/21


Temperature (Cool)
Current: 46.2°F
    Rate of Change: 0.7°F/hr.
    High: 46.4°F at 11:46am
    Low:  33.4°F at 1:07am

    Monthly High: 60.6°F on 2/24/21
    Monthly Low:  18.3°F on 2/21/21
    Yearly High:    60.6°F on 2/24/21
    Yearly Low:    18.3°F on 2/21/21


Humidity & Related
Relative Humidity: 39%
    High: 83% at 1:02am
    Low:  38% at 11:27am
Dew Point: 22.6°F
Heat Index: 46.0°F
    High: 46.4°F at 11:47am

    Monthly High: 60.4°F on 2/24/21
    Yearly High:   60.4°F on 2/24/21
Wind Rose Wind & Related (Light Breeze)
Current: East at 4mph
    High: 14mph at 12:39pm
    Monthly High: 360° at 30mph on 2/20/21
    Yearly 0° at 33mph on 1/20/21
Wind Chill: 44.1°F
    Low: 32.3°F at 4:19am
    Monthly Low: 8.4°F on 2/20/21
    Yearly Low:   6.3°F on 1/29/21
    Wind Run Today: 14 miles
    Wind Run Month: 1429 miles
    Wind Run Year:   3042 miles
Barometric Pressure Barometric Pressure (Falling)
Current: 1031.3mb
    Rate of Change: -0.7 mb/hr
    High: 1034.1mb at 8:23am
    Low:  1028.0mb at 12:01am

Yearly High: 1040.0mb on 2/21/21
Yearly Low:  999.8mb on 1/16/21

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:     3.16in
    Avg Month:     3.49in
    Year-to-Date:  5.12in
    Avg Year:       2.44in

UV Index UV Index
Current: 1.8
    Today's  High: 2.8 at 11:26am
    Monthly High:   4.0 on 2/17/21
    Yearly High:     4.0 on 2/17/21

Solar Radiation

Solar Radiation
Current: 362.0 W/m2
    Today's High: 571.0 W/m2  at 11:27am
    Monthly High:  754.0W/m2 on 2/17/21
    Yearly High:     754.0W/m2 on 2/17/21
Evapotranspiration Evapotranspiration
Today: 0.03in
    Monthly High:  0.09in on 2/24/21
    Yearly High:     0.09in on 2/24/21
Cooling Degree Days Degree Days
Cooling Degrees Days
    Today:  0.0
    Month:  0.0
    Year:    0.0
Heating Degree Days
     Today: 14.8
     Month: 795.4
     Year:   1720.1
Beyond the Stratosphere

Solar/Lunar Stats

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