Our Proprietary 10-Day Forecast

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Current warnings over Bolton, 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 Bolton, 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 Bolton, 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 Worcester 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 Bolton, 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 Bolton, 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 Bolton, 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 Bolton, 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 Bolton, 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 Worcester 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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  • 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)
Bolton, MA Climate Summary

General Climate

    •   Humid continental climate with warm, humid summers and cold, snowy winters.
    •   Influenced by its proximity to the Atlantic Ocean and the Appalachian Mountains.

Temperature

    •   Average Annual Temperature

49.2°F (9.6°C)

    •   Average Summer Temperature (June-August)

71.6°F (22°C)

    •   Average Winter Temperature (December-February)

26.6°F (-3°C)

    •   Record High Temperature

103°F (39.4°C)

    •   Record Low Temperature

-17°F (-27.2°C)

Precipitation

    •   Average Annual Precipitation

44.6 inches (113.3 cm)

    •   Average Monthly Precipitation

3.7 inches (9.4 cm)

    •   Snowfall

48.3 inches (122.7 cm)

    •   Wettest Month

March (4.5 inches / 11.4 cm)

    •   Driest Month

February (2.8 inches / 7.1 cm)

Humidity

    •   Average Annual Humidity

70%

    •   Summer Humidity

75%

    •   Winter Humidity

65%

Wind

    •   Prevailing Wind Direction

West-northwest

    •   Average Wind Speed

10 mph (16 km/h)

Other Climate Features

    •   Growing Season

150-180 days

    •   Hardiness Zone

6a

    •   Tornado Risk

Low

    •   Hurricane Risk

Minimal

Climate Trends

    •   Over the past century, temperatures in Bolton have increased by about 2°F (1.1°C).
    •   Precipitation has also increased slightly, with more frequent heavy rainfall events.
    •   The growing season has lengthened by about 10 days.

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

    •   Bolton is home to the 1,300-acre Great Brook Farm State Park, featuring rolling hills, wetlands, and diverse wildlife.

    •   The town is known for its abundant birdlife, including bald eagles, osprey, and great horned owls.

    •   The Bolton Flats Wildlife Management Area provides habitat for various reptiles, amphibians, and mammals.

Science

    •   Bolton was the site of the first experimental farm in the United States, established by the Massachusetts Society for Promoting Agriculture in 1793.

    •   The town is home to the Massachusetts Audubon Society's Broad Meadow Brook Wildlife Sanctuary, dedicated to environmental education and conservation.

Personalities

    •   Horace Mann (1796-1859), a pioneering educator and advocate for public education, lived and worked in Bolton.

    •   Edward Everett Hale (1822-1909), a Unitarian minister and author, was born and raised in Bolton.

    •   John Quincy Adams (1767-1848), the sixth President of the United States, frequently visited Bolton and owned a farm there.

Tourist Attractions
1.Nashoba Valley Ski Area:

A popular destination for skiing, snowboarding, and snow tubing during the winter months. In the summer, it offers activities such as zip-lining, mountain biking, and hiking.

2.Wachusett Mountain State Reservation:

A scenic park with hiking trails, picnic areas, and a summit offering panoramic views of the surrounding area. It also features a ski area and a mountain coaster.

3.Fruitlands Museum:

A historic museum and cultural center that showcases the life and work of the Transcendentalist movement. It includes a collection of art, furniture, and artifacts, as well as gardens and walking trails.

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Clinton, MASouth Lancaster, MA
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Boxborough, MABoylston, MA
Marlborough, MAMaynard, MA
Northborough, MADevens, MA
Sterling, MAShirley, MA
Ayer, MAActon, MA
Boston, MA
South Boston, MAWorcester, MA
Providence, RISpringfield, MA
Bridgeport, CTNew Haven, CT
Hartford, CTLowell, MA
Cambridge, MAManchester, NH
Waterbury, CT