Our Proprietary 10-Day Forecast

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Current warnings over Spencerville, Maryland
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Spencerville, Maryland red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Spencerville, Maryland red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Montgomery County, MD

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Spencerville, Maryland

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Spencerville, MD please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Spencerville, MD

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Spencerville, MD, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Spencerville, Maryland

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Montgomery County, Maryland

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
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View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
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Climate Summary
(made with AI, use with caution)
Spencerville, Maryland Climate Summary

Location

Prince George's County, Maryland
Elevation

131 feet (40 meters)

Temperature

    •   Average Annual Temperature

55.4°F (13°C)

    •   Average January Temperature

33.1°F (0.6°C)

    •   Average July Temperature

78.5°F (25.8°C)

    •   Record High Temperature

106°F (41.1°C)

    •   Record Low Temperature

-12°F (-24.4°C)

Precipitation

    •   Average Annual Precipitation

43.7 inches (1110 mm)

    •   Average Number of Rainy Days

114 days

    •   Average Snowfall

16.4 inches (417 mm)

    •   Record 24-Hour Precipitation

8.2 inches (208 mm)

Humidity

    •   Average Relative Humidity

67%

    •   Average Dew Point

49°F (9.4°C)

Wind

    •   Average Wind Speed

10.2 mph (16.4 km/h)

    •   Prevailing Wind Direction

Southwest

Climate Classification

    •   Köppen Climate Classification

Cfa (Humid Subtropical Climate)

Additional Climate Features

    •   Growing Season

190 days

    •   Hardiness Zone

7a

    •   Tornado Risk

Moderate

    •   Hurricane Risk

Low

    •   Average Number of Thunderstorm Days

30 days

Summary

Spencerville, Maryland experiences a humid subtropical climate with warm, humid summers and cool, dry winters. Precipitation is evenly distributed throughout the year, with occasional thunderstorms in the summer months. The area is also prone to occasional tornadoes and hurricanes, although the risk is relatively low.

Facts & Historical Information
(made with AI, use with caution)
Natural History and Science

    •   Spencerville is home to the Spencerville Wildlife Management Area, a 1,000-acre preserve with a diverse ecosystem including forests, wetlands, and meadows.

    •   The area is a haven for wildlife, including deer, turkeys, and various bird species.

    •   The Patuxent River, a major tributary of the Chesapeake Bay, flows through Spencerville, providing habitat for fish and aquatic life.

Personalities

  • Dr. Samuel Mudd:

    A physician who treated John Wilkes Booth after he assassinated President Abraham Lincoln. Mudd was convicted of conspiracy and imprisoned, but later pardoned.

  • John Hanson:

    The first President of the United States under the Articles of Confederation. He lived in Spencerville from 1760 to 1783.

  • John Carroll:

    The first Roman Catholic bishop in the United States. He visited Spencerville in 1791 and administered the sacrament of confirmation.

    • Tourist Attractions
    1.Sandy Spring Museum

    (Sandy Spring, MD): A historic site that showcases the history of Sandy Spring and the surrounding area, including exhibits on agriculture, industry, and transportation.

    2.Brookside Gardens

    (Wheaton, MD): A beautiful botanical garden with over 50 acres of display gardens, including a Japanese garden, a rose garden, and a children's garden.

    3.Black Hill Regional Park

    (Boyds, MD): A scenic park with over 2,000 acres of forests, meadows, and streams, offering hiking trails, picnic areas, and a dog park.

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