Our Proprietary 10-Day Forecast

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Current warnings over Sterling, 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 Sterling, 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 Sterling, 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 Sterling, 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 Sterling, 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 Sterling, 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 Sterling, 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 Sterling, 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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  • 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.
 
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Climate Summary
(made with AI, use with caution)
Sterling, Massachusetts Climate Summary

General Climate

    •   Humid continental climate with warm, humid summers and cold, snowy winters.

Temperature

    •   Average Annual Temperature

47.2°F (8.4°C)

    •   Average Summer Temperature (June-August)

68.5°F (20.3°C)

    •   Average Winter Temperature (December-February)

25.9°F (-3.4°C)

    •   Record High Temperature

99°F (37.2°C)

    •   Record Low Temperature

-24°F (-31.1°C)

Precipitation

    •   Average Annual Precipitation

45.5 inches (115.6 cm)

    •   Average Snowfall

54.6 inches (138.7 cm)

    •   Wettest Month

May (4.9 inches / 12.4 cm)

    •   Driest Month

February (2.5 inches / 6.4 cm)

Wind

    •   Prevailing Wind Direction

West-southwest

    •   Average Wind Speed

10.2 mph (16.4 km/h)

Sunshine

    •   Average Annual Sunshine

2,342 hours

    •   Sunniest Month

July (307 hours)

    •   Cloudiest Month

December (152 hours)

Other Climatic Features

    •   Growing Season

170 days

    •   Hardiness Zone

5b

    •   Humid subtropical climate

Sterling experiences warm, humid summers and cool, snowy winters.

    •   Mild winters

Winters are relatively mild compared to other parts of New England, with average temperatures hovering around the freezing mark.

    •   Moderate precipitation

Sterling receives a moderate amount of precipitation throughout the year, with the wettest months being May and June.

    •   Frequent thunderstorms

Summer months bring frequent thunderstorms, which can produce heavy rain and lightning.

    •   Occasional snowstorms

Winter storms can bring significant snowfall, with occasional blizzards.

    •   Foliage season

Autumn is a popular time to visit Sterling due to its vibrant fall foliage.

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

    •   Sterling is home to the Wachusett Meadow Wildlife Sanctuary, a 2,500-acre preserve renowned for its diverse habitats, including vernal pools, grasslands, and forests.

    •   The town's geology features gneiss, a metamorphic rock formed from ancient volcanic activity.

Science

    •   In 1964, the Harvard-Smithsonian Center for Astrophysics established the Haystack Observatory in Sterling. It has played a crucial role in space exploration, including the Apollo missions to the moon.

    •   The town is also home to the Massachusetts Audubon Society's Broad Meadow Brook Conservation Center, which conducts research on birds, wildlife, and conservation.

Personalities

  • Eli Whitney (1765-1825):

    Inventor of the cotton gin, lived in Sterling for a time and taught at a local school.

  • Nathaniel Hawthorne (1804-1864):

    Author of classic works like \

    • Tourist Attractions
    1.Wachusett Mountain State Reservation:

    A scenic mountaintop park offering hiking trails, scenic overlooks, a ski area, and an aerial tramway.

    2.Mount Wachusett Community College Art Gallery:

    A contemporary art gallery showcasing a variety of exhibitions, workshops, and lectures.

    3.Sterling Historical Society and Museum:

    A small museum dedicated to preserving and showcasing the history of Sterling, MA, through exhibits and artifacts.

    Nearby Cities:

    South Lancaster, MA
    Boylston, MAClinton, MA
    West Boylston, MALancaster, MA
    Princeton, MALeominster, MA
    Berlin, MAHolden, MA
    Bolton, MAShrewsbury, MA
    Shirley, MANorthborough, MA
    Hudson, MAHarvard, MA
    Rutland, MAFitchburg, MA
    Boston, MA
    South Boston, MAProvidence, RI
    Springfield, MABridgeport, CT
    New Haven, CTHartford, CT
    Lowell, MACambridge, MA
    Manchester, NHWaterbury, CT
    Albany, NY