Cool air settles back into the Finger Lakes

finger lakes weather forecast tuesday september 28 2021 cold front showers clouds sun chilly
Chilly air, including some of the coldest yet this season, will move into the Finger Lakes today and stick around until the weekend. [Photo by Joan Lockwood]

Cold Fronts

A series of weak cold fronts will move through the area over the next couple days, further reinforcing cool air with each frontal passage.

One such front is about half way through the Finger Lakes early this morning. South of the front, a few showers and even a couple thunderstorms have developed across the southern half of the region.

These showers and storms will drop southeast out of the area by the mid to late morning. Meanwhile, in the north, some sunshine will start to mix with the cloud cover.

Skies will be a mix of sun and clouds this afternoon with north and northwest winds setting up. The wind will not be too strong with top gusts mostly in the 20-25 mph range.

Nonetheless, temperatures will not rise much today with most areas topping out in just the low 60s. A few places may sneak into the mid 60s but getting above 65 degrees will be a tall order.

Skies will become mostly clear this evening and temperatures will quickly drop. Areas near lakes will stay around 50 degrees overnight while mid 40s will be commonplace through the Southern Tier.

Wednesday will start with sun, but clouds will gradually increase. A few stray showers will be possible during the afternoon with a better chance for showers in the evening and overnight as another front moves in.

Temperatures on Wednesday will be a couple degrees warmer than today with highs in the mid 60s.

The air will be cool enough by Thursday for lake effect clouds and showers south of Lake Ontario. Sunshine will be very limited, but the shower activity should not be too robust either.

After starting the day in the 45-50 degree range, highs Thursday will end up just ten degrees warmer between 55 and 60 degrees.

finger lakes weather 7-day forecast tuesday september 28 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Moderating Temperatures

Lake effect clouds and showers will dissipate late Thursday and skies will become at least partially clear Thursday night. Temperatures will reach their coldest point of the week, and of the season thus far.

Only areas immediately adjacent to a lake will stay near 50 degrees. Most areas will be in the mid 40s. Low 40s are likely throughout the Southern Tier and I would not be surprised to see pockets of upper 30s.

Clouds will bubble up quickly Friday morning and much of the day will turn out rather cloudy. Temperatures will nudge upward with highs around 60.

Warmer air will move back in for the weekend with highs Saturday pushing into the low 70s. Skies will be a mix of sun and clouds with no rain expected.

The weather is less certain for Sunday and into next week. A weather system should push into the area with at least some chances for rain beginning Sunday.

This system may stall out and bring repeated chances for rain. One or two days early next week could end up being quite wet.

Highs will likely stick mostly to the 60s during this time, though a little sunshine here or there could push highs back into the low 70s. On the flip side, steady rain throughout the day could hold highs to the 50s.

More Information:

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finger lakes weather 7-day forecast tuesday september 28 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected.

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Follow Meteorologist Drew Montreuil:
Meteorologist Drew Montreuil has been forecasting the weather in the Finger Lakes region since 2006 and has degrees in meteorology from SUNY Oswego (B.S. with Honors) and Cornell (M.S.). Drew and his wife have four young boys. When not working or playing with the boys, he is probably out for a run through the countryside.