Our Proprietary 10-Day Forecast

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Current warnings over Winthrop, 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 Winthrop, 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 Winthrop, 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 Kennebec 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 Winthrop, 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 Winthrop, 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 Winthrop, 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 Winthrop, 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 Winthrop, 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 Kennebec 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.
 
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  • British MetOffice's UKMET Unified Model
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  • 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.
 
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Climate Summary
(made with AI, use with caution)
Winthrop, Maine Climate Summary

Temperature

    •   Average annual temperature: 44.8 °F (7.1 °C)
    •   Average January temperature: 20.9 °F (-6.2 °C)
    •   Average July temperature: 67.5 °F (19.7 °C)
    •   Record high temperature: 102 °F (39 °C)
    •   Record low temperature: -40 °F (-40 °C)

Precipitation

    •   Average annual precipitation: 47.6 inches (121 cm)
    •   Average January precipitation: 6.3 inches (16 cm)
    •   Average July precipitation: 3.9 inches (9.9 cm)
    •   Record 24-hour precipitation: 8.2 inches (21 cm)

Snowfall

    •   Average annual snowfall: 54.6 inches (139 cm)
    •   Average January snowfall: 19.4 inches (49 cm)
    •   Average July snowfall: 0 inches (0 cm)
    •   Record 24-hour snowfall: 26 inches (66 cm)

Climate Type

Winthrop, Maine has a humid continental climate, characterized by warm, humid summers and cold, snowy winters. The town is located in USDA Plant Hardiness Zone 5b, which means that the average annual minimum temperature is between -10 and -5 °F (-23 and -21 °C).

Growing Season

The average growing season in Winthrop, Maine is 120 days, from late May to late September. The last spring frost typically occurs in mid-May, and the first fall frost typically occurs in mid-October.

Climate Change

The climate in Winthrop, Maine is changing, as it is in the rest of the world. The average annual temperature has increased by 2.3 °F (1.3 °C) since 1895, and the average annual precipitation has increased by 5.6 inches (14 cm). The growing season has also become longer, by an average of 10 days since 1950.

These changes are having a significant impact on the environment and the people of Winthrop, Maine. The town is experiencing more extreme weather events, such as heat waves, droughts, and floods. These events are causing damage to property and infrastructure, and they are also making it more difficult for farmers and businesses to operate.

The people of Winthrop, Maine are working to adapt to the changing climate. They are planting trees, installing solar panels, and making other changes to their homes and businesses to make them more energy-efficient. They are also working to protect the town's natural resources, such as its forests and wetlands.

The climate in Winthrop, Maine is changing, but the people of the town are working to adapt. They are making changes to their homes, businesses, and communities to make them more resilient to the impacts of climate change.

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

    •   Winthrop is home to the Winthrop Bog, a 300-acre wetland ecosystem that supports a diverse array of plant and animal life, including rare and endangered species.

    •   The town is bisected by the Cobbosseecontee Stream, a major tributary of the Kennebec River. Its pristine waters and abundant fish populations attract anglers and kayakers.

Science

    •   The University of Maine at Augusta has a campus in Winthrop, offering programs in environmental science, biology, and other STEM fields.

    •   The Winthrop Solar Array, completed in 2013, is one of the largest solar energy installations in Maine, generating enough power for over 1,000 homes.

Personalities

  • William Winthrop

    (1584-1649): Puritan governor of the Massachusetts Bay Colony who donated land for the town of Winthrop.

  • John Winthrop, Jr.

    (1606-1676): Son of William Winthrop, also served as governor of Massachusetts and founded the town of New London, Connecticut.

  • Harriet Beecher Stowe

    (1811-1896): Author of \

    • Tourist Attractions
    1.Mount Katahdin

    - The tallest mountain in Maine, Mount Katahdin is a popular destination for hikers and climbers. The mountain offers stunning views of the surrounding area, and there are several trails to choose from, ranging from easy to challenging.

    2.Moosehead Lake

    - The largest lake in Maine, Moosehead Lake is a popular destination for fishing, boating, and swimming. The lake is also home to several islands, which can be explored by boat or kayak.

    3.Rangeley Lakes Scenic Byway

    - This scenic byway winds through the mountains and lakes of western Maine, offering stunning views of the natural beauty of the region. The byway is a popular destination for motorists, cyclists, and hikers.

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