Another sunny day ahead of a cold front Thursday

finger lakes weather forecast wednesday october 20 2021 sunny mild cold front
Temperatures today and tomorrow will make a run at 70 degrees before 50s return for the weekend. [Photo by Cynthia Smith]

Mild Temperatures

Warm air continues to build into the region thanks to high pressure parked over the Southeastern United States.

Despite clear skies overnight, temperatures are well above the average morning lows to start today with widespread 50s. As the sun climbs higher in the sky this morning, temperatures will quickly warm.

By the afternoon, all the region should be between 65-70 degrees.

Sunshine will be abundant until a batch of clouds moves through during the second half of this afternoon. These clouds will filter the sunshine but may not completely turn the sky grey. A very brief, light shower cannot be ruled out.

Winds today will be from the west at around 10 mph. Gusts will not be as strong as yesterday, mostly topping out around or just over 20 mph.

Skies will clear tonight before clouds move back in after midnight. A few more showers will move through, mostly before dawn Thursday. These should be scattered, but more numerous than the one or two possible showers this afternoon.

Overnight temperatures will mostly be in the low 50s, though some higher elevations may slip into the upper 40s while portions of the I-90 corridor stick to the mid 50s.

Much of the first part of Thursday will be quiet, albeit cloudier. Temperatures should again push towards 70 degrees.

finger lakes weather 7-day forecast wednesday october 20 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Cold Front

During the latter half of Thursday afternoon, a cold front will approach from the west. Showers and perhaps a few rumbles of thunder will move in from west to east. These showers will continue into the first half of Thursday night before the front clears the region.

Cooler air will be slow to move in, so morning lows Friday will still be around 50 degrees. A secondary front will move through early in the morning with a few more showers and a more substantial push of colder air.

Clouds may linger well into Friday afternoon, but showers will probably be hard to come by. Northwest winds around 5 mph will help prevent temperatures from rising more than a handful of degrees, resulting in highs in the mid 50s.

The weekend looks cool and a bit unsettled, but not too rainy. Just a few scattered showers are expected Saturday with a slightly higher chance for showers on Sunday.

High temperatures both Saturday and Sunday will be in the low 50s. Morning lows will range from the upper 30s to mid 40s. Sunday morning will be a bit cooler than Saturday morning.

Frost will be a concern early next week as the unsettled weather dissipates and overnights have a higher chance of being clear. Most areas should be into the 30s Monday morning, but Tuesday morning looks even colder with areas frost possible.

For the daytime weather, both Monday and Tuesday should have a good deal of sunshine and just a few clouds. Highs will be around 50 on Monday and in the low 50s Tuesday.

Warmer air will move in for Wednesday and Thursday next week with highs back into the 60s. There is a high degree of uncertainty on how long this warmer weather will persist.

More Information:

» Finger Lakes Weather Radar

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finger lakes weather 7-day forecast wednesday october 20 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.