2020-2021 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 2021 Old Farmer’s Almanac, available online and in stores.

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

Free 2-Month Weather Forecast

August 2020 Long Range Weather Forecast for Appalachians
DatesWeather Conditions
Aug 1-9A few t-storms, turning warm
Aug 10-14Sunny, cool
Aug 15-19T-storms, hot
Aug 20-22Sunny, nice
Aug 23-25Showers, cool
Aug 26-31A few t-storms, warm
Augusttemperature 71.5° (1° below avg. north, 2° below south)
precipitation 3.5" (1" below avg. north, 1" above south)

September 2020 Long Range Weather Forecast for Appalachians
DatesWeather Conditions
Sep 1-5Rainy, cool north; sunny, warm south
Sep 6-9Sunny, cool
Sep 10-19Rainy periods, mild
Sep 20-24Sunny, mild
Sep 25-30T-storms, then sunny, cool
Septembertemperature 62° (2° below avg.)
precipitation 5.5" (2" above avg.)

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, Frederick, Gaithersburg, Germantown, Rockville), NEW YORK (Binghamton, Cortland, Elmira, Ithaca, Johnson City), NORTH CAROLINA (Asheville, Hickory, Lenoir, Morganton, Winston-Salem), PENNSYLVANIA (Allentown, Bethlehem, Lancaster, Reading, Scranton), VIRGINIA (Burke, Dale City, Lynchburg, Reston, Roanoke), WEST VIRGINIA (Martinsburg).

Appalachians Neighboring Regions

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

Reader Comments

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We are getting married the

We are getting married the following weekend at Laurel Ridge. Good venue and we like the price. They have inside and outside options. We are doing the outside.

Daughter's wedding

My daughter is getting married in Marshall, North Carolina on the 7th of September - what do you think the weather will be?

october weather in WNC

what is the weather looking like for Western NC in October? more specifically the 19th?

Horse show in blowing rock

We are looking st two dates for a big horse show in September. Please tell me it won’t be a wash out. The dates are 14th or 21st...leaning towards the 21st

Best Tree Planting time in Lenoir, NC

I want to plant several trees in my yard and wondered how early in Fall of the year I can plant? September or October this year? Thanks so much!

vaca in oct

going to visit relatives around oct 11-14 in appomattox, va. Last yr it was chilly. what might we have for this trip?

October weather forecast

The Editors's picture

Hi, Tracey. Hopefully you have indoor activities planned for your trip because during that time period we are predicting rain and cold.

Temperature on Memorial Day 2019 in Hendersonville, NC

You did not answer my question

Definitions

Dear OFA. I'm interested in how the OFA forecasters define the following terms: cold, cool, mild, warm and hot. If this info is already on the website please provide the link. Thanks, Randall

Vacation August 3-10

Weather conditions

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