Our Proprietary 10-Day Forecast

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Current warnings over Garrison, 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 Garrison, 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 Garrison, 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 Baltimore 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 Garrison, 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 Garrison, 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 Garrison, 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 Garrison, 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 Garrison, 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 Baltimore 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.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
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.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Garrison, MD Climate Summary

Temperature

    •   Average annual temperature: 55.9°F (13.3°C)
    •   Average summer temperature: 75.4°F (24.1°C)
    •   Average winter temperature: 36.4°F (2.4°C)
    •   Highest recorded temperature: 105°F (40.6°C)
    •   Lowest recorded temperature: -15°F (-26.1°C)

Precipitation

    •   Average annual precipitation: 43.0 inches (109.2 cm)
    •   Average snowfall: 20.3 inches (51.6 cm)
    •   Wettest month: July (4.9 inches)
    •   Driest month: February (2.5 inches)

Other Climate Data

    •   Average annual sunshine: 2,600 hours
    •   Average relative humidity: 67%
    •   Average wind speed: 10 mph (16 km/h)

Climate Summary

Garrison, Maryland has a humid continental climate, with hot, humid summers and cold, snowy winters. The average annual temperature is 55.9°F (13.3°C), with average summer temperatures of 75.4°F (24.1°C) and average winter temperatures of 36.4°F (2.4°C). The highest recorded temperature in Garrison was 105°F (40.6°C), while the lowest recorded temperature was -15°F (-26.1°C).

Garrison receives an average of 43.0 inches (109.2 cm) of precipitation each year, with an average snowfall of 20.3 inches (51.6 cm). The wettest month is July, with an average of 4.9 inches of precipitation, while the driest month is February, with an average of 2.5 inches of precipitation.

Garrison receives an average of 2,600 hours of sunshine each year, with an average relative humidity of 67%. The average wind speed in Garrison is 10 mph (16 km/h).

Facts & Historical Information
(made with AI, use with caution)
Garrison, MD: A Historical Haven

  • Natural History:

    Garrison is home to the Patapsco Valley State Park, a 16,000-acre sanctuary teeming with diverse flora and fauna. The park boasts scenic hiking trails, waterfalls, and historic ruins.

  • Science:

    The National Institute of Standards and Technology (NIST) has a major campus in Garrison. NIST conducts groundbreaking research in physics, chemistry, and engineering, contributing to advancements in technology and innovation.

  • Personalities:

    Garrison has been home to notable figures throughout history. Dr. Samuel Mudd, who treated John Wilkes Booth after the assassination of President Lincoln, lived in the town. Author and naturalist John Burroughs also resided in Garrison, inspiring his writings on the natural world.

  • Tourist Attractions
    1.Fort McHenry National Monument and Historic Shrine

    - This historic fort is where the Star-Spangled Banner was raised during the War of 1812. Visitors can tour the fort, learn about its history, and see the original flag that inspired the national anthem.

    2.Baltimore Inner Harbor

    - This vibrant waterfront area is home to a variety of attractions, including the National Aquarium, the Maryland Science Center, and the American Visionary Art Museum. Visitors can also enjoy shopping, dining, and boat tours.

    3.Oriole Park at Camden Yards

    - This baseball stadium is home to the Baltimore Orioles. Visitors can take a tour of the stadium, see a game, or visit the Babe Ruth Birthplace and Museum.

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