, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    Fall-like air to persist in midwestern, northeastern US through end of August

    By Alex Sosnowski, AccuWeather senior meteorologist
    August 28, 2017, 2:33:49 AM EDT

    Share this article:


    Waves of cool air will continue to roll in from Canada and into the midwestern and northeastern United States into early week.

    As has been the case multiple times this summer, people will be able to save on their cooling bills by turning off air conditioners and fans and letting fresh air into their homes.

    Along the Atlantic coast and over the Ohio Valley, temperatures will still be warm enough for swimming during the afternoon. Atlantic surf temperatures are close to their highest level of the year right now and in the 70s to near 80 in the mid-Atlantic.

    Air temperatures will be suppressed from their average levels by 5 to 10 degrees Fahrenheit into early week.

    Static Cool Spell NE


    For example, the average high temperature in Chicago and New York City for the last week of August is in the low 80s. Both cities can expect highs in the 70s into Tuesday.

    At night, temperatures will dip as low as the lower 40s in portions of the Upper Midwest and the central and northern Appalachians.

    RELATED:
    Flooding disaster to continue in Texas as Harvey lingers for days
    Potential Tropical Cyclone 10 forms near Southeast coast
    Reports: Harvey causes at least 2 fatalities, catastrophic damage and flooding in Texas

    People who are sensitive to cool weather may need to grab a jacket and switch to long sleeves at night.

    During the middle to latter part of the week, warmth may build in from a less common direction. Usually warm air surges in from the Southern states.

    An atmospheric road block may cause weather systems to reverse their normal west to east and south to north direction across the northern tier.

    "Later in the week, warmth by way of sunshine is likely to build from southern Quebec to New England and upstate New York," according to AccuWeather Lead Long-Range Meteorologist Paul Pastelok.

    High temperatures may trend upward into the 70s and 80s for a time late next week in the Northeast.

    Meanwhile, a pool of cool air, relative to average, will settle over the Midwest and the South.

    Some of the coolness in the South will be associated with cloud cover and rain from Harvey which made landfall in Texas and has currently stalled.

    Static US ENW


    As the weather pattern begins to resume its normal movement, rain from Harvey could be drawn northeastward late in the week. However, there is a greater chance that Harvey misses the connection and stays parked over Texas through the week.

    Report a Typo

    Comments

    Comments that don't add to the conversation may be automatically or manually removed by Facebook or AccuWeather. Profanity, personal attacks, and spam will not be tolerated.

    More Weather News