Cold air will continue to push into the Great Lakes and Northeast, bringing a fall feel to much of the region into next week.
Alex Sosnowski, AccuWeather Senior Meteorologist
Published on October 8, 2024, 11:44 AM PDT | Updated on October 8, 2024, 11:44 AM PDT
AccuWeather meteorologists say the season’s first widespread frost will be mostly on schedule from the Great Lakes to the interior Northeast by the end of the week.
The average date of widespread first frost of the season ranges from late September to early October from the upper Midwest to the central Appalachians and much of New England. Usually, frosts at this time of year tend to cause little problems for large-scale agricultural operations. But it can be even more of a problem for people who tend backyard vegetable gardens or sensitive annual flowers.
A cold area of high pressure will sink to the southeast into Thursday, which will result in calmer winds and thinner clouds overnight. If winds completely die and skies remain clear for a few hours, frost could move from the Great Lakes to the countryside by Wednesday night, with a chance of frost in suburban and urban areas across the interior Northeast Thursday night. There is.
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Light frosts can help sweeten certain fruits that have not yet been harvested, but hard freezes can wipe out tomato and pepper plants, as well as most annual flower beds. Therefore, it may be time to harvest the remaining items and create the final cut flower arrangement from your garden.
Frost can accelerate the increase in fall foliage in some areas, and accelerate leaf fall in areas that have passed their peak fall foliage.
The same pattern creates areas of dense morning valley fog, with some of that moisture potentially freezing on windshields in the coldest areas.
In parts of northern New England and higher elevations of upstate New York, a similar pattern could result in a few grains of snow mixed in with the passing rain each day through Thursday.
Temperatures are expected to trend warmer this weekend as the drop in the jet stream recedes. More often than not, another fun weekend awaits, with a variety of outdoor activities to enjoy, from walks and jogs to ball games and golf.
A burst of cold air will move into upstate New York and northern New England this weekend with areas of frost arriving Saturday night.
As is often the case in the fall, weather patterns can change quickly. A further drop in the jet stream will begin in the Northeast early next week.
This next dip could be more significant and widespread than what happened this week, with correspondingly lower temperatures, more widespread lake-effect showers, and more rain this weekend compared to this week. Snowflakes may fall in places. .
Temperatures will generally be 6 to 12 degrees below the historical average for the first half and middle of next week, compared to 3 to 6 degrees below average for this week.
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