Our Proprietary 10-Day Forecast

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Current warnings over Lima, 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 Lima, 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 Lima, 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 Delaware 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 Lima, 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 Lima, 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 Lima, 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 Lima, 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 Lima, 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 Delaware 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.
 
Get access to:
  • European ECMWF HRES
  • 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)
Lima, PA Climate Summary

General Climate

    •   Humid subtropical climate with hot, humid summers and mild winters.
    •   Located in the transition zone between the humid continental climate to the north and the humid subtropical climate to the south.

Temperature

    •   Average Annual Temperature

54.5°F (12.5°C)

    •   Average Summer Temperature (June-August)

76.8°F (24.9°C)

    •   Average Winter Temperature (December-February)

34.8°F (1.6°C)

    •   Record High

105°F (40.6°C)

    •   Record Low

-14°F (-23.9°C)

Precipitation

    •   Average Annual Precipitation

42.3 inches (107.4 cm)

    •   Average Number of Rain Days

106

    •   Average Snowfall

21.0 inches (53.3 cm)

    •   Wettest Month

September (4.6 inches / 11.7 cm)

    •   Driest Month

February (2.5 inches / 6.4 cm)

Humidity

    •   Average Annual Relative Humidity

66%

    •   Highest Humidity Month

August (72%)

    •   Lowest Humidity Month

February (60%)

Wind

    •   Average Wind Speed

11 mph (18 kph)

    •   Prevailing Wind Direction

West

Other

    •   Growing Season

195 days

    •   Hardiness Zone

6b

    •   Sunshine Hours

2570 hours per year

Climate Trends

    •   Rising average temperatures over the past century.
    •   Increasing frequency of extreme weather events, such as heavy rainfall and heat waves.
    •   Changes in precipitation patterns, with more intense storms and longer dry spells.

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

    •   Lima is home to Ridley Creek State Park, a 2,600-acre natural area with diverse flora and fauna.

    •   The park is a popular spot for birdwatching, with over 200 species spotted.

    •   The park also features a historic mill and dam, built in the 1700s.

Science

    •   Lima is the birthplace of the American Chemical Society (ACS), founded in 1876.

    •   The ACS is the world's largest scientific society, with over 155,000 members.

    •   The ACS headquarters is located in Washington, D.C., but the society's origins are still celebrated in Lima.

Personalities

    •   Andrew Jackson Downing, a renowned landscape architect, lived in Lima in the 1800s.

    •   Downing's designs influenced the development of American architecture and landscape design.

    •   He is credited with popularizing the Gothic Revival style in the United States.

Tourist Attractions
1.John J. Tyler Arboretum

is a 650-acre arboretum and botanical garden located in Media, Pennsylvania, about 15 miles west of Philadelphia. The arboretum features a wide variety of trees, shrubs, and flowers, as well as a number of walking trails and gardens.

2.Ridley Creek State Park

is a 2,600-acre state park located in Media, Pennsylvania, about 10 miles west of Philadelphia. The park features a number of hiking trails, picnic areas, and fishing spots, as well as a large lake.

3.Delaware County Institute of Science

is a science museum located in Media, Pennsylvania, about 10 miles west of Philadelphia. The museum features a number of exhibits on natural history, science, and technology, as well as a planetarium and a number of educational programs.

Nearby Cities:

Chester Heights, PA
Media, PABrookhaven, PA
Parkside, PASwarthmore, PA
Upland, PABoothwyn, PA
Linwood, PATrainer, PA
Woodlyn, PAChester, PA
Eddystone, PAMorton, PA
Folsom, PAMarcus Hook, PA
Ridley Park, PASpringfield, PA
Brooklyn, NY
Queens, NYManhattan, NY
Philadelphia, PAManhattan, NY
Baltimore, MDWashington, DC
Staten Island, NYNewark, NJ
Jersey City, NJJamaica, NY
Arlington, VA