Our Proprietary 10-Day Forecast

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Current warnings over Old Tappan, New Jersey
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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 Old Tappan, New Jersey 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 Old Tappan, New Jersey 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 Bergen County, NJ

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 Old Tappan, New Jersey

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 Old Tappan, NJ 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 Old Tappan, NJ

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 Old Tappan, NJ, 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 Old Tappan, New Jersey

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 Bergen County, New Jersey

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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  • GEFS, GEPS, MOGREPS & European Ensembles
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  • 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)
Old Tappan, New Jersey Climate Summary

General Climate

    •   Humid subtropical climate (Köppen classification: Cfa)
    •   Warm, humid summers and mild, cool winters

Temperature

    •   Average annual temperature: 53.3°F (11.8°C)
    •   Average summer temperature (June-August): 74.4°F (23.6°C)
    •   Average winter temperature (December-February): 32.8°F (0.5°C)
    •   Extreme temperature range: -15°F (-26°C) to 104°F (40°C)

Precipitation

    •   Average annual precipitation: 45.4 inches (115.3 cm)
    •   Rain is distributed evenly throughout the year
    •   Snowfall: Average of 22.6 inches (57.4 cm) per year

Humidity

    •   High humidity levels year-round
    •   Average relative humidity: 68%

Wind

    •   Prevailing wind direction: West-southwest
    •   Average wind speed: 9.6 mph (15.4 km/h)

Sunshine

    •   Average annual sunshine: 2,600 hours
    •   Most sunshine in July and August

Seasonal Characteristics

Spring (March-May)


    •   Mild temperatures
    •   Increasing precipitation
    •   Occasional thunderstorms

Summer (June-August)


    •   Warm and humid
    •   Abundant sunshine
    •   Frequent thunderstorms

Autumn (September-November)


    •   Mild to cool temperatures
    •   Decreasing precipitation
    •   Foliage colors

Winter (December-February)


    •   Cold and damp
    •   Snowfall possible
    •   Limited sunshine

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

    •   Old Tappan is home to the Palisades Sill, a geological formation that extends from New York City to New Jersey. The sill is composed of diabase, a type of igneous rock.

    •   The area was once covered by a vast forest, which was home to a variety of animals, including bears, wolves, and deer.

    •   The Hackensack River, which borders Old Tappan, is an important habitat for fish and other aquatic life.

Science

    •   Old Tappan was the site of the first American oil well, which was drilled in 1860.

    •   The town is also home to the Bergen County Technical Schools, which offer a variety of science and technology programs.

Personalities

    •   Thomas Edison, the inventor of the light bulb, lived in Old Tappan from 1886 to 1891.

    •   Albert Einstein, the physicist, also lived in Old Tappan for a brief time.

    •   The town is also home to several notable scientists and engineers, including Dr. Robert Goddard, the father of modern rocketry.

Tourist Attractions
1.Demarest Nature Center

(Demarest, NJ): A 60-acre park with hiking trails, a pond, and a variety of wildlife.

2.Closter Nature Center

(Closter, NJ): A 260-acre park with hiking trails, a pond, and a variety of wildlife.

3.The Shops at Riverside

(Hackensack, NJ): A shopping mall with over 100 stores and restaurants.

Nearby Cities:

River Vale, NJ
Norwood, NJHarrington Park, NJ
Northvale, NJTappan, NY
Westwood, NJHillsdale, NJ
Closter, NJEmerson, NJ
Montvale, NJPark Ridge, NJ
Orangeburg, NYHaworth, NJ
Sparkill, NYPearl River, NY
Demarest, NJBlauvelt, NY
Brooklyn, NY
Queens, NYManhattan, NY
Philadelphia, PAManhattan, NY
Staten Island, NYNewark, NJ
Jersey City, NJJamaica, NY
Yonkers, NYEast Flatbush, NY
East New York, NY