2020 Long Range Weather Forecast for Allentown, PA

Get the Long Range Weather for Your Location

See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of The 2020 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

January 2020 Long Range Weather Forecast for Appalachians
DatesWeather Conditions
Jan 1-5Rainy periods, quite mild
Jan 6-10Snow, then sunny, cold
Jan 11-12Snow showers, cold north; sunny, mild south
Jan 13-17Snow, then flurries, mild
Jan 18-26Rainy periods, mild
Jan 27-31Snowy periods
Januarytemperature 35° (5° above avg.)
precipitation 4.5" (2" above avg.)

February 2020 Long Range Weather Forecast for Appalachians
DatesWeather Conditions
Feb 1-6Snowy periods, cold north; rainy, mild south
Feb 7-18Rainy periods, mild
Feb 19-29Snow showers, cold
Februarytemperature 32° (2° above avg.)
precipitation 2.5" (1" above avg. north, 1" below south)

Annual Weather Summary
November 2019 to October 2020

Winter will be warmer than normal, with above-normal precipitation. Snowfall will be below normal in the north and above normal in the south. The coldest periods will be in mid-January and from late February into early March. The snowiest periods will be in late November, mid- and late January, early February, and early March. April and May will be warmer and rainier than normal. Summer will be warmer than normal, with the hottest periods in mid-June, mid- to late July, and mid-August. Rainfall will be below normal in the north and above normal in the south. September and October will be warmer and rainier than normal.

Map showing Old Farmer's Almanac long range weather region number 3

About the Appalachians Region

The Appalachians long range weather region includes all or part of the following states: MARYLAND (Aspen Hill, Bethesda, Frederick, Gaithersburg, Silver Spring), NEW JERSEY (Augusta, Belvidere, Branchville, Newton, Swartswood), NEW YORK (Auburn, Binghamton, Elmira, Ithaca, Syracuse), NORTH CAROLINA (Asheville, Hickory, Kernersville, Morganton, Winston-Salem), PENNSYLVANIA (Allentown, Altoona, Lancaster, Reading, Scranton), TENNESSEE (Mountain City, Roan Mountain, Trade), VIRGINIA (Arlington, Burke, Lynchburg, Reston, Roanoke), WEST VIRGINIA (Charles Town, Keyser, Martinsburg, Petersburg, Ranson).

Appalachians Neighboring Regions

Here are the regions that neighbor the Appalachians long range weather region:

Temperature and Precipitation November 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Allentown, PA

Reader Comments

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May 4th

Planning an outdoor graduation party. What are predictions for the evening of Saturday, May 4th?

Carroll, Ohio

... in Carroll, OH

Bridal shower

I am planning an outdoor bridal shower on May 18, 2019 in Spring Grove/Hanover PA area. What is the weather forecast for that day?

Weather on June 9, 2019

We're having a surprise birthday party on June 8. What is the possibility of rain on that day.

Camping Skyline Drive, VA May 2019

We'll be camping in Rileyville, Virginia (Skyline Drive) for our anniversary in May 2019 and would like to know which weekend(s) will be dry/sunny.

I am having a wedding in

I am having a wedding in Huntsville, AL on May 18th, what is the temperature and weather forecast for that weekend?

Middleburg, VA Wedding May 25th

Hi I am having a wedding in Middleburg, VA over Memorial Day Weekend the 25th of May, what is the temperature and weather forecast for that weekend and the days leading up to it? Thank you.

Lancaster Wedding

Hoping to have an outdoor wedding May 18, 2019 in Lancaster, PA. Are you predicting dry/ sunny weather on that date and the days leading up to May 18?

May 18

We are predicting showers and warm temps for May 15 to 17, followed by scattered t-storms and cool temps for the remainder of the month.

Wedding

What is the weather forecast for May 18, 2019

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