Our Proprietary 10-Day Forecast

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Current warnings over Greenfield, New Hampshire
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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 Greenfield, New Hampshire 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 Greenfield, New Hampshire 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 Hillsborough County, NH

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 Greenfield, New Hampshire

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 Greenfield, NH 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 Greenfield, NH

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 Greenfield, NH, 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 Greenfield, New Hampshire

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 Hillsborough County, New Hampshire

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)
Greenfield, New Hampshire Climate Summary

General Climate

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

Temperature

    •   Average Annual Temperature

46.2°F (7.9°C)

    •   Average Summer Temperature (June-August)

67.6°F (19.8°C)

    •   Average Winter Temperature (December-February)

22.8°F (-5.1°C)

    •   Record High Temperature

102°F (38.9°C)

    •   Record Low Temperature

-26°F (-32.2°C)

Precipitation

    •   Average Annual Precipitation

43.8 inches (1112 mm)

    •   Average Snowfall

54.8 inches (139 cm)

    •   Wettest Month

November (4.6 inches or 117 mm)

    •   Driest Month

February (2.6 inches or 66 mm)

Humidity

    •   Average Annual Humidity

72%

    •   Highest Humidity

Summer months (80-90%)

    •   Lowest Humidity

Winter months (50-60%)

Wind

    •   Average Annual Wind Speed

7.6 mph (12.2 km/h)

    •   Prevailing Wind Direction

West-northwest

Sunshine

    •   Average Annual Sunshine

2,150 hours

    •   Sunniest Month

July (250 hours)

    •   Cloudiest Month

December (120 hours)

Other Notable Climate Features

    •   Thunderstorms

Common in the summer months.

    •   Fog

Can occur during the spring and fall.

    •   Ice Storms

Can occur during the winter months.

    •   Tornadoes

Rare, but not unheard of.

Climate Change Impacts

    •   Greenfield is expected to experience increased temperatures, more frequent and intense heat waves, and heavier rainfall events in the future.
    •   Winters are projected to become milder, with less snowfall and more freezing rain.

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

    •   Greenfield is home to the largest stand of old-growth hemlock-hardwood forest in New Hampshire, known as the Greenfield State Forest.

    •   The town is situated within the Merrimack River watershed, providing a rich habitat for diverse aquatic life.

Science

    •   The town is named after the Greenfield Scientific Association, founded in 1828 to promote scientific inquiry.

    •   Greenfield was a major center for the study of astronomy in the 19th century, with several observatories established in the town.

Personalities

  • Daniel Webster:

    The renowned statesman and orator lived in Greenfield for a period during his early career.

  • Francis Amasa Walker:

    The statistician and economist who served as Superintendent of the Census, was born in Greenfield.

  • Elizabeth Peabody:

    The influential educator and transcendentalist, spent her later years in Greenfield.

    • Tourist Attractions
    1.Monadnock State Park

    is a popular hiking destination, with trails for all levels of hikers. The park is home to Mount Monadnock, which is one of the most popular hiking destinations in New England.

    2.Greenfield State Park

    is a smaller park, but it is still a great place to hike, picnic, or fish. The park is home to a variety of wildlife, including deer, turkeys, and owls.

    3.The Peterborough Players

    is a professional theater company that has been performing in Greenfield since 1933. The company produces a variety of shows throughout the year, including musicals, comedies, and dramas.

    Nearby Cities:

    Francestown, NH
    Lyndeborough, NHAntrim, NH
    Peterborough, NHDeering, NH
    New Boston, NHTemple, NH
    Wilton, NHDublin, NH
    Mont Vernon, NHHillsborough, NH
    Harrisville, NHJaffrey, NH
    Weare, NHGreenville, NH
    Milford, NHNew Ipswich, NH
    Boston, MA
    South Boston, MAWorcester, MA
    Providence, RISpringfield, MA
    Hartford, CTLowell, MA
    Cambridge, MAManchester, NH
    Waterbury, CTAlbany, NY
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