Our Proprietary 10-Day Forecast

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Current warnings over Roslyn Heights, New York
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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 Roslyn Heights, New York 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 Roslyn Heights, New York 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 Nassau County, NY

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 Roslyn Heights, New York

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 Roslyn Heights, NY 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 Roslyn Heights, NY

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 Roslyn Heights, NY, 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 Roslyn Heights, New York

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 Nassau County, New York

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.
 
F5Weather Maps

Climate Summary
(made with AI, use with caution)
Roslyn Heights, NY Climate Summary

General Climate

    •   Humid subtropical climate (Köppen classification: Cfa)
    •   Warm, humid summers and cool, damp winters
    •   Moderate precipitation throughout the year

Temperature

    •   Average Annual Temperature

54.8°F (12.7°C)

    •   Average Summer Temperature (June-August)

75.5°F (24.2°C)

    •   Average Winter Temperature (December-February)

35.1°F (1.7°C)

    •   Record High Temperature

104°F (40°C)

    •   Record Low Temperature

-14°F (-25.6°C)

Precipitation

    •   Average Annual Precipitation

46.3 inches (117.6 cm)

    •   Average Monthly Precipitation (wettest month)

4.7 inches (11.9 cm) in July

    •   Average Monthly Precipitation (driest month)

2.9 inches (7.4 cm) in February

    •   Average Snowfall

25.5 inches (64.8 cm)

    •   Average Number of Rainy Days

113 days per year

Humidity

    •   Average Annual Relative Humidity

70%

    •   Average Summer Relative Humidity

75%

    •   Average Winter Relative Humidity

65%

Wind

    •   Prevailing Wind Direction

West-southwest

    •   Average Wind Speed

10.1 mph (16.3 km/h)

Sunshine

    •   Average Annual Sunshine

2,560 hours per year

    •   Average Daily Sunshine (summer)

10 hours

    •   Average Daily Sunshine (winter)

6 hours

Other Notable Climate Features

    •   Coastal influence

Located near Long Island Sound, Roslyn Heights experiences a moderating effect on its climate, resulting in slightly warmer winters and cooler summers compared to inland areas.

    •   Urban heat island effect

Being part of the New York City metropolitan area, Roslyn Heights experiences slightly higher temperatures than surrounding rural areas due to increased urbanization and heat retention.

    •   Extreme weather events

Roslyn Heights is occasionally affected by tropical cyclones, nor'easters, and heat waves.

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

  • Mill Pond Park:

    A 12-acre oasis with a pond, nature trails, and diverse plant life, including towering trees and native wildflowers.

  • Hempstead Lake State Park:

    Just west of Roslyn Heights, this park offers scenic trails, boating, and fishing in a pristine lake ecosystem.

    Science

  • Brookhaven National Laboratory:

    A world-renowned research facility nearby, conducting groundbreaking work in nuclear physics, particle physics, and other scientific fields.

  • Roslyn Planetarium:

    A historic landmark and one of the oldest planetariums in the United States, offering educational programs and celestial shows.

    Personalities

  • Theodore Roosevelt:

    The 26th President of the United States spent his childhood summers in Roslyn Heights at his family's estate, Sagamore Hill.

  • William Cullen Bryant:

    The renowned poet, editor, and conservationist lived in Roslyn Heights for several years and helped establish the Hempstead Lake State Park.

  • Walt Whitman:

    The iconic American poet frequented Roslyn Heights and wrote about its natural beauty in his poems.

    • Tourist Attractions
    1.Sands Point Preserve

    is a 216-acre park located on the North Shore of Long Island. The park features a variety of attractions, including a historic mansion, a golf course, a beach, and a nature preserve.

    2.Old Westbury Gardens

    is a 200-acre estate located in Old Westbury, New York. The gardens feature a variety of formal and informal gardens, as well as a mansion, a greenhouse, and a lake.

    3.Planting Fields Arboretum State Historic Park

    is a 409-acre park located in Oyster Bay, New York. The park features a variety of gardens, including a rose garden, a Japanese garden, and a herb garden. The park also has a mansion, a greenhouse, and a lake.

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