Our Proprietary 10-Day Forecast

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Current warnings over Deer Isle, 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 Deer Isle, 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 Deer Isle, 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 Hancock 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 Deer Isle, 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 Deer Isle, 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 Deer Isle, 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 Deer Isle, 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 Deer Isle, 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 Hancock 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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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)
Deer Isle, Maine has a humid continental climate (Köppen Dfb) with warm, humid summers and cold, snowy winters. The average annual temperature is 44.8 °F (7.1 °C), with an average annual precipitation of 42.4 inches (108 cm).

Summer

Summer in Deer Isle is warm and humid, with average high temperatures in the low 70s °F (22 °C) and average low temperatures in the mid 50s °F (13 °C). The warmest month is July, with an average high temperature of 75 °F (24 °C) and an average low temperature of 58 °F (14 °C).

Winter

Winter in Deer Isle is cold and snowy, with average high temperatures in the low 30s °F (0 °C) and average low temperatures in the mid 20s °F (-3 °C). The coldest month is January, with an average high temperature of 32 °F (0 °C) and an average low temperature of 22 °F (-5 °C).

Precipitation

Deer Isle receives an average of 42.4 inches (108 cm) of precipitation per year, which is fairly evenly distributed throughout the year. The wettest month is December, with an average of 4.6 inches (12 cm) of precipitation, while the driest month is February, with an average of 2.8 inches (7 cm) of precipitation.

Snowfall

Deer Isle receives an average of 52.6 inches (134 cm) of snow per year. The snowiest month is January, with an average of 13.6 inches (35 cm) of snow, while the least snowy month is July, with an average of 0.1 inches (0.25 cm) of snow.

Climate Change

The climate of Deer Isle is changing due to human-caused climate change. The average annual temperature has increased by about 1.5 °F (0.8 °C) since the late 19th century, and the average annual precipitation has increased by about 5 inches (13 cm). These trends are expected to continue in the future, with the average annual temperature projected to increase by another 2-4 °F (1-2 °C) by the end of the century. The average annual precipitation is also projected to increase, by about 5-10 inches (13-25 cm).

These changes in climate are having a number of impacts on Deer Isle, including:

    •   More frequent and intense heat waves
    •   More frequent and intense storms
    •   Rising sea levels
    •   Changes in plant and animal life

These impacts are expected to become more severe in the future, as the climate continues to change.

Facts & Historical Information
(made with AI, use with caution)
Deer Isle, Maine, boasts a rich natural history and intriguing personalities.

Natural History

    •   Deer Isle is home to the largest puffin colony in North America, with over 100,000 pairs nesting on Little Green Island.

    •   The island's granite quarries have produced some of the world's finest building stone, used in iconic structures like the Brooklyn Bridge and New York City's skyscrapers.

    •   Deer Isle is a haven for marine life, with abundant lobster, cod, and whales in its surrounding waters.

Science

    •   In the 19th century, Deer Isle was a center for scientific research. Botanist Asa Gray collected over 1,000 plant species on the island, while geologist Charles Hitchcock studied its geology.

    •   Today, the Island Heritage Trust conducts ongoing research on the island's ecology and marine resources.

Personalities

    •   Poet Edna St. Vincent Millay spent her summers on Deer Isle, where she wrote some of her most famous works.

    •   Artist Rockwell Kent lived on the island for over 40 years, creating iconic paintings of its landscapes and people.

    •   Author John Steinbeck visited Deer Isle in 1950 and wrote a short story about its lobstermen.

Tourist Attractions
1.Acadia National Park

(nearby): A stunning coastal park with granite peaks, pristine lakes, and rugged hiking trails. It's a popular destination for hiking, camping, and wildlife viewing.

2.Deer Isle Village Historic District

A charming village with well-preserved 19th-century architecture, including the Deer Isle-Stonington Historical Society and the Deer Isle Public Library. Visitors can explore the village's history and enjoy its picturesque views.

3.Haystack Mountain School of Crafts

A renowned arts education center offering workshops and classes in various crafts, such as pottery, glassblowing, and weaving. Visitors can tour the school's campus, attend exhibitions, and purchase handmade crafts from local artists.

Nearby Cities:

Stonington, ME
Sedgwick, MECastine, ME
Vinalhaven, METremont, ME
Northport, MEPenobscot, ME
Lincolnville, MECamden, ME
Rockport, MEStockton Springs, ME
Surry, METrenton, ME
Owls Head, MEBelfast, ME
Rockland, MEHope, ME
Maine, ME
Portland, MELewiston, ME
Bangor, MEWest Scarborough, ME
South Portland, MESouth Portland Gardens, ME
Auburn, MEBiddeford, ME
Sanford, MESaco, ME
Augusta, ME