Our Proprietary 10-Day Forecast

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Current warnings over Charleston, Maine
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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 Charleston, Maine 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 Charleston, Maine 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 Penobscot County, ME

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 Charleston, Maine

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 Charleston, ME 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 Charleston, ME

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 Charleston, ME, 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 Charleston, Maine

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 Penobscot County, Maine

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)
Sure, here is a climate summary for Charleston, Maine:

Climate Summary for Charleston, Maine

General

    •   Charleston, Maine has a humid continental climate, characterized by warm, humid summers and cold, snowy winters.
    •   The town experiences four distinct seasons, with average temperatures ranging from 17°F (-8°C) in January to 68°F (20°C) in July.
    •   Charleston receives an average of 45 inches (114 cm) of precipitation per year, which is evenly distributed throughout the year.

Temperature

    •   Average annual temperature: 42.6°F (5.9°C)
    •   Average summer temperature (June-August): 68.2°F (20.1°C)
    •   Average winter temperature (December-February): 17.4°F (-8.1°C)
    •   Record high temperature: 99°F (37°C)
    •   Record low temperature: -47°F (-44°C)

Precipitation

    •   Average annual precipitation: 44.9 inches (114 cm)
    •   Average snowfall: 68.5 inches (174 cm)
    •   Number of days with measurable precipitation: 123
    •   Wettest month: November (4.6 inches or 11.7 cm)
    •   Driest month: February (2.5 inches or 6.4 cm)

Other

    •   Average annual sunshine: 2,040 hours
    •   Average wind speed: 10 mph (16 km/h)
    •   Prevailing wind direction: West

Climate Trends

    •   Charleston, Maine has seen a slight increase in average temperatures over the past century.
    •   The town has also seen an increase in the frequency of extreme weather events, such as heavy rainfall and heat waves.

Additional Information

    •   Charleston, Maine is located in USDA Plant Hardiness Zone 4a.
    •   The town is home to a variety of plant and animal life, including moose, deer, bears, and bald eagles.
    •   Charleston is a popular destination for outdoor recreation, such as hiking, fishing, and camping.

I hope this information is helpful. Please let me know if you have any other questions.

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

    •   Charleston is home to the largest freshwater marsh in Maine, the Great Marsh, which supports a diverse ecosystem.

    •   The Penobscot River, which flows through Charleston, is the largest river in Maine and supports a variety of fish species.

    •   The area is also known for its abundant birdlife, including bald eagles, osprey, and waterfowl.

Science

    •   The University of Maine's Center for Cooperative Aquaculture Research is located in Charleston, focusing on sustainable aquaculture practices.

    •   The Maine Geological Survey has identified Charleston as a potential site for geothermal energy development.

Personalities

  • General Henry Dearborn:

    Born in Charleston in 1751, Dearborn served as a general in the Revolutionary War and Secretary of War under President Thomas Jefferson.

  • William King:

    A Charleston native, King served as Governor of Maine from 1820 to 1821 and was instrumental in the state's separation from Massachusetts.

  • Henry David Thoreau:

    The renowned naturalist visited Charleston in 1857 and wrote about the Great Marsh in his book \

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