Our Proprietary 10-Day Forecast

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Current warnings over Onset, Massachusetts
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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 Onset, Massachusetts 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 Onset, Massachusetts 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 Plymouth County, MA

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 Onset, Massachusetts

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 Onset, MA 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 Onset, MA

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 Onset, MA, 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 Onset, Massachusetts

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 Plymouth County, Massachusetts

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.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Onset, MA Climate Summary

Temperature

    •   Average annual temperature: 49.6°F (9.8°C)
    •   Average summer temperature (June-August): 68.5°F (20.3°C)
    •   Average winter temperature (December-February): 29.3°F (-1.5°C)
    •   Record high temperature: 102°F (38.9°C)
    •   Record low temperature: -15°F (-26.1°C)

Precipitation

    •   Average annual precipitation: 47.2 inches (1199 mm)
    •   Average snowfall: 33.6 inches (853 mm)
    •   Wettest month: November (4.9 inches)
    •   Driest month: February (3.2 inches)

Humidity

    •   Average annual relative humidity: 74%
    •   Highest humidity: August (80%)
    •   Lowest humidity: March (67%)

Wind

    •   Average wind speed: 12.5 mph (20.1 km/h)
    •   Prevailing wind direction: West-northwest

Sunshine

    •   Average annual sunshine: 2,495 hours
    •   Sunniest month: July (312 hours)
    •   Cloudiest month: December (164 hours)

Climate Classification

    •   Humid continental climate (Dfa)

Climate Summary

Onset, Massachusetts experiences a humid continental climate with warm, humid summers and cold, snowy winters. Temperatures are typically moderate throughout the year, with average highs in the 60s and 70s during the summer and lows in the 20s and 30s during the winter. Precipitation is evenly distributed throughout the year, with slightly more rainfall in the fall and winter months. Onset receives a moderate amount of snowfall, averaging over 30 inches per year. The area is generally sunny, with an average of over 2,400 hours of sunshine annually.

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

    •   Onset is home to the Cape Cod Canal, a 17-mile waterway connecting Cape Cod Bay to Buzzards Bay.

    •   The canal is a popular spot for fishing, boating, and birdwatching.

    •   The Onset Bluffs, a series of coastal cliffs, offer stunning views of the ocean and the canal.

Science

    •   Onset is the site of the Woods Hole Oceanographic Institution (WHOI), a world-renowned research center for oceanography.

    •   WHOI's research vessels regularly sail from Onset Harbor, conducting studies on marine life, ocean currents, and climate change.

Personalities

    •   The American author Henry David Thoreau visited Onset in 1850 and wrote about its natural beauty in his book \

Tourist Attractions
1.Onset Beach:

A popular beach destination known for its sandy shores, clear waters, and scenic views of Buzzards Bay.

2.Cape Cod Canal:

A historic waterway that connects Cape Cod Bay to Buzzards Bay, offering opportunities for boating, fishing, and scenic walks along its banks.

3.Bourne Scenic Park:

A park located at the western end of the Cape Cod Canal, featuring walking trails, picnic areas, and a playground, with stunning views of the canal and the surrounding landscape.

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Buzzards Bay, MA
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Pocasset, MAWhite Island Shores, MA
Wareham Center, MAMarion, MA
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Forestdale, MARochester, MA
West Falmouth, MAEast Sandwich, MA
Mattapoisett, MAMashpee, MA
Boston, MA
South Boston, MAWorcester, MA
Providence, RISpringfield, MA
New Haven, CTHartford, CT
Lowell, MACambridge, MA
Manchester, NHBrockton, MA
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