Our Proprietary 10-Day Forecast

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Current warnings over Guilford, Connecticut
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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 Guilford, Connecticut 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 Guilford, Connecticut 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 New Haven County, CT

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 Guilford, Connecticut

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 Guilford, CT 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 Guilford, CT

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 Guilford, CT, 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 Guilford, Connecticut

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 New Haven County, Connecticut

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)
Guilford, Connecticut Climate Summary

Temperature

    •   Average annual temperature: 51.9°F (11.1°C)
    •   Average January temperature: 30.9°F (-0.6°C)
    •   Average July temperature: 73.3°F (22.9°C)
    •   Record high temperature: 106°F (41.1°C)
    •   Record low temperature: -18°F (-28.3°C)

Precipitation

    •   Average annual precipitation: 46.3 inches (117.6 cm)
    •   Average snowfall: 22.7 inches (57.7 cm)
    •   Wettest month: October (5.1 inches or 13 cm)
    •   Driest month: February (2.6 inches or 6.6 cm)

Climate Type

    •   Humid continental climate (Köppen climate classification: Dfa)

Growing Season

    •   Average frost-free period: 180 days (May 10 to October 17)

Sunshine

    •   Average annual sunshine: 2,600 hours

Wind

    •   Average annual wind speed: 10.2 mph (16.4 km/h)

Humidity

    •   Average annual relative humidity: 72%

Climate Summary

Guilford, Connecticut has a humid continental climate with warm, humid summers and cold, snowy winters. The average annual temperature is 51.9°F (11.1°C), with average January temperatures of 30.9°F (-0.6°C) and average July temperatures of 73.3°F (22.9°C). The average annual precipitation is 46.3 inches (117.6 cm), with the wettest month being October (5.1 inches or 13 cm) and the driest month being February (2.6 inches or 6.6 cm). Guilford experiences an average of 22.7 inches (57.7 cm) of snowfall per year. The average annual sunshine is 2,600 hours, and the average annual wind speed is 10.2 mph (16.4 km/h). The average annual relative humidity is 72%.

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

    •   Guilford is home to the largest salt marsh in Connecticut, known as the Hammonasset River Estuary.

    •   The town is a sanctuary for migratory birds, with over 200 species observed.

    •   The Menunketesuck Island Preserve is a 30-acre island with diverse flora and fauna, including nesting ospreys.

Science

    •   Guilford was the site of the first private scientific library in the United States, founded in 1739 by the Rev. Thomas Ruggles.

    •   The town is home to the Guilford Institute of Marine Research, a non-profit organization dedicated to marine science education and conservation.

    •   The Yale School of Forestry & Environmental Studies has a research station in Guilford, studying forest ecology and climate change.

Personalities

    •   The Rev. Samuel Johnson, the first president of King's College (now Columbia University), was born in Guilford in 1696.

    •   The town was the home of the renowned astronomer and mathematician, Simon Newcomb, who served as the Superintendent of the U.S. Naval Observatory.

    •   The author and environmentalist Rachel Carson lived in Guilford during the 1950s and 60s, where she wrote her influential book \

Tourist Attractions
1.Guilford Green:

A historic village green surrounded by charming shops, restaurants, and historic buildings. Visitors can enjoy a leisurely stroll, browse local boutiques, or dine at one of the many eateries.

2.Guilford Castle:

A picturesque castle-like mansion built in the 19th century. The castle offers guided tours, showcasing its opulent interiors and stunning views of the surrounding area.

3.Thimble Islands:

A group of 15 islands located just off the coast of Guilford. Visitors can take a ferry to explore the islands, which feature charming cottages, pristine beaches, and panoramic views of the Long Island Sound.

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