2020 Long Range Weather Forecast for Brentwood, NY

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

September 2020 Long Range Weather Forecast for Atlantic Corridor
DatesWeather Conditions
Sep 1-10Showers, then sunny, cool
Sep 11-20Rain, some heavy; mild
Sep 21-30Sunny; cool, then warm
Septembertemperature 65° (2° below avg.)
precipitation 6.5" (3" above avg.)

October 2020 Long Range Weather Forecast for Atlantic Corridor
DatesWeather Conditions
Oct 1-8Rain, then sunny, warm
Oct 9-12Tropical rains, warm
Oct 13-17Sunny, warm
Oct 18-24Isolated showers, turning cool
Oct 25-31Sunny, warm
Octobertemperature 62° (6° above avg.)
precipitation 3.5" (avg.)

Annual Weather Summary
November 2019 to October 2020

Winter temperatures will be much above normal, on average, with the coldest periods in mid- and late January and early and late February. Precipitation will be above normal, with below-normal snowfall. The snowiest periods will occur in mid- and late January and early February. April and May will be warmer than normal, with precipitation near normal in the north and above normal in the south. Summer will be hotter and rainier than normal, with the hottest periods in mid-July and early to mid-August. September and October will be warmer and rainier than normal, with a tropical storm threat in early to mid-October.

Map showing Old Farmer's Almanac long range weather region number 2

About the Atlantic Corridor Region

The Atlantic Corridor long range weather region includes all or part of the following states: CONNECTICUT (Bridgeport, Hartford, New Haven, Stamford, Waterbury), DELAWARE (Bear, Dover, Newark, Pike Creek, Wilmington), DISTRICT OF COLUMBIA (Washington), MARYLAND (Baltimore, Columbia, Dundalk, Ellicott City, Silver Spring), MASSACHUSETTS (Boston, Brockton, Cambridge, New Bedford, Worcester), NEW JERSEY (Edison, Elizabeth, Jersey City, Newark, Paterson), NEW YORK (Hempstead, Mount Vernon, New Rochelle, New York, Yonkers), PENNSYLVANIA (Chester, Levittown, Norristown, Philadelphia, Radnor), RHODE ISLAND (Cranston, East Providence, Pawtucket, Providence, Warwick), VIRGINIA (Alexandria, Arlington, Hampton, Newport News, Richmond).

Atlantic Corridor Neighboring Regions

Here are the regions that neighbor the Atlantic Corridor long range weather region:

Temperature and Precipitation November 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Brentwood, NY

Reader Comments

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Grad party

June 23rd weather for outdoor party?

Weather in September, 2018

I'm having a wedding on Sunday, September 30, 2018 what will the weather be like?

September 22,2018

I’m having a Cape Cod wedding this September. What can I expect? Osterville, Saturday sept 22, day and night time. Thank you.

Outdoor Wedding on June 9, 2018

Will there be rain on my wedding day into night?

Outdoor wedding

We're having an outdoor wedding on September 8, 2018 in central Connecticut

Something I've meant to think about

What will the weather be from June to September in the Hasbrouck Heights, NJ (Region 2, Atlantic) area? I know you're 80% accurate, but I just wanted to make sure as a precaution. Thank you for your time. My apologies, though.

Event outside

I'm have a b-day party out in my back your. Upper Marlboro, MD JUNE 16. Will it be hot or a washout?

Thanks

WEDDING

I'M HAVING AN OUT DOOR WEDDING ON 8/18/18. WHAT WILL THE WEATHER BE LIKE?

August OUT Door party!!!

Having a party out side 1st weekend in August, for the past 2 years I have been noticing that is has been cool and beautiful at this time Not to hot and nice and breezy out on Long Island. Keeping my fingers crossed for the same weather, But I have a feeling its going to be HOT and Humid. Either way we will drink the night away. Just Please no rain :)

Planning on a Labor Day family reunion

Planning a very large family reunion for Labor Day weekend. We have family coming from all over the map. Wondering what the weather will be like.

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