Our Proprietary 10-Day Forecast

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Current warnings over Willow Grove, Pennsylvania
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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 Willow Grove, Pennsylvania 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 Willow Grove, Pennsylvania 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 Montgomery County, PA

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 Willow Grove, Pennsylvania

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 Willow Grove, PA 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 Willow Grove, PA

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 Willow Grove, PA, 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 Willow Grove, Pennsylvania

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 Montgomery County, Pennsylvania

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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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.
 
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Climate Summary
(made with AI, use with caution)
Willow Grove, Pennsylvania Climate Summary

General Climate

    •   Humid subtropical climate (Köppen Cfa)
    •   Characterized by hot, humid summers and cool, dry winters

Temperature

    •   Average annual temperature: 54.9°F (12.7°C)
    •   Average summer temperature (June-August): 75.6°F (24.2°C)
    •   Average winter temperature (December-February): 32.9°F (0.5°C)
    •   Highest recorded temperature: 106°F (41.1°C)
    •   Lowest recorded temperature: -15°F (-26.1°C)

Precipitation

    •   Average annual precipitation: 42.91 inches (1090 mm)
    •   Average snowfall: 22.2 inches (56.4 cm)
    •   Most precipitation occurs in May and June
    •   Least precipitation occurs in January and February

Humidity

    •   Relative humidity is generally high throughout the year
    •   Average annual relative humidity: 70%
    •   Highest humidity occurs in summer (July-August)

Sunshine

    •   Average annual sunshine hours: 2,561
    •   Most sunshine occurs in July and August
    •   Least sunshine occurs in December and January

Wind

    •   Prevailing wind direction: West-southwest
    •   Average wind speed: 9.1 mph (14.6 km/h)

Other Climate Features

    •   Tornadoes

Rare, but can occur during severe thunderstorms

    •   Hurricanes

Can impact the area with heavy rain and wind, but direct landfalls are infrequent

    •   Droughts

Occasional, but typically short-lived

    •   Extreme heat

Heat waves can occur in summer, especially during July and August

    •   Extreme cold

Cold snaps can occur in winter, with temperatures dropping below freezing for extended periods

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

    •   Willow Grove is home to the Pennypack Ecological Restoration Trust, a 1,200-acre nature preserve with diverse habitats, including forests, meadows, and wetlands.

    •   The park is a haven for wildlife, including deer, foxes, and over 200 bird species.

Science

    •   In 1943, the Willow Grove Naval Air Station was established as a training base for Navy pilots during World War II.

    •   The base was later used for research and development, including the testing of the first jet fighter, the Bell P-59 Airacomet.

Personalities

    •   The renowned botanist and explorer John Bartram lived in Willow Grove from 1728 to 1777.

    •   His garden, now known as Bartram's Garden, is a National Historic Landmark and a living museum of plants from around the world.

    •   The actress and singer Ethel Merman was born in Willow Grove in 1908.

    •   Her powerful voice and charismatic stage presence made her a Broadway legend.

Tourist Attractions
1. Willow Grove Park Mall: This is a large shopping mall with over 130 stores and restaurants. It is located right off of the Willow Grove exit of the Pennsylvania Turnpike.

2. Glencairn Museum: This museum is home to a collection of religious art from around the world. It is located in Bryn Athyn, which is just a few miles from Willow Grove.

3. Keswick Theatre: This theater hosts a variety of live performances, including concerts, plays, and comedy shows. It is located in Glenside, which is just a few miles from Willow Grove.

Nearby Cities:

Abington, PA
Bryn Athyn, PAHatboro, PA
Horsham, PADresher, PA
Jenkintown, PAGlenside, PA
Warminster Heights, PAWyncote, PA
Oreland, PARockledge, PA
Maple Glen, PAIvyland, PA
Fort Washington, PAFeasterville, PA
Churchville, PAWyndmoor, PA
Brooklyn, NY
Queens, NYManhattan, NY
Philadelphia, PAManhattan, NY
Baltimore, MDStaten Island, NY
Newark, NJJersey City, NJ
Jamaica, NYYonkers, NY
East Flatbush, NY