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Dayton, Maryland Weather |
15 Years of Service to the Local Community |
National Weather Service Forecasts for Central Maryland
National Weather Service Warnings for Central Maryland
Latest Weather Update at 12:00pm(EDT) on 5/19/12
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Temperature (Comfortable) |
| Current:
73°F Rate of Change: 3.7°F/hr. High: 74°F at 11:57am Low: 49°F at 4:46am Monthly High: 80°F on 5/1/12 Monthly Low: 43°F on 5/11/12 Yearly High: 85°F on 4/16/12 Yearly Low: 13°F on 1/4/12 |
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| Avg High @ BWI:
75°F Avg Low @ BWI: 53°F Record Hi @ BWI: 98°F in 1962 Record Lo @ BWI: 38°F in 2009 |
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Humidity & Related |
| Relative Humidity: 51% High: 92% at 4:05am Low: 46% at 11:57am |
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| Dew Point: 54°F | |
| Heat Index: 74°F High: 74°F at 11:42am Monthly High: 83°F on 5/4/12 Yearly High: 86°F on 4/16/12 |
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Wind & Related (Calm) |
| Current: North West at
0mph High: 6mph at 11:34am Monthly High: 0mph on 5/1/12 Yearly High: 16mph on 1/2/12 |
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| Wind Chill: 73°F Low: 49°F at 4:46am Monthly Low: 43°F on 5/11/12 Yearly Low: -0°F on 1/4/12 |
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| Wind Run Today: 0 miles Wind Run Month: 82 miles Wind Run Year: 3954 miles |
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Barometric Pressure (Steady) |
| Current: 30.12in-hg Rate of Change: -0.012 in-hg/hr High: 30.16in-hg at 9:25am Low: 30.11in-hg at 3:34am |
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| Yearly High: 30.67in-hg on 3/6/12 Yearly Low: 29.27in-hg on 1/13/12 |
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Precipitation |
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Today: 0.00in Hi Rain Rate: 0.000in/hr at Current Hour: 0.00in Last 24 Hours: 0.00in This Month: 2.80in Year-to-Date: 9.99in |
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| Official MTD Rainfall @
BWI:
1.03in Official YTD Rainfall @ BWI: 9.74in |
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UV Index |
| Current: 4.8 Today's High: 4.8 at 11:57am Monthly High: 5.6 on 5/3/12 Yearly High: 5.7 on 4/17/12 |
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Solar Radiation |
| Current: 867 W/m2 Today's High: 872 W/m2 at 11:59am Monthly High: 1236W/m2 on 5/10/12 Yearly High: 1236W/m2 on 5/10/12 |
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Evapotranspiration |
| Today: 0.06in Monthly High: 0.15in on 5/18/12 Yearly High: 0.16in on 4/16/12 |
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Degree Days |
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Cooling Degrees Days Today: 0.5 Month: 40.9 Year: 92.7 |
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Heating Degree Days Today: 5.1 Month: 76.1 Year: 2452.4 |
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| Beyond the Stratosphere | |
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Click monitors, below, for more information X-ray Status↓ Geomagnetic Status ↑ |
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| Weather information is provided without warranty of any kind as to accuracy or timeliness. |