Quiet weather, seasonable temperatures


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finger lakes weather forecast tuesday november 18 2025 a few rays of sun shoot down from an otherwise overcast sky onto a broad valley seen from above.
Our next precipitation will come on Friday as some light rain showers pass through. The weekend should be dry, too. [Photo by Melissa Burm, Keuka Park]

Mid-Week Weather Forecast

High pressure extending from the Mid-Atlantic coast back into south-central Canada will keep our weather quiet, even as a low pressure system passes just south tonight.

A northwesterly flow remains in place with wind speeds today expected to be around 10 mph.

While precipitation is generally not expected outside of a stray spit of rain or snow, skies will remain rather cloudy.

There may be a few peeks of sun here or there, but they will likely be short-lived and isolated.

Afternoon highs will range from the mid and upper 30s in higher elevations to the mid 40s in the broad valleys across the Southern Tier. Most areas should be near or slightly above 40 degrees.

Skies will remain cloudy tonight, though the chances for a few breaks in the overcast will persist. Winds will be nearly calm, with what little breeze exists coming in from a southerly direction.

Everyone should drop into the 20s tonight, with a few low 20s across Cortland County, mid 20s in the Southern Tier and inland from the lakes, and upper 20s along the lakes.

Wednesday should have more sun than today as it mixes with some clouds from time to time. Wind speeds will remain under 5 mph but will swing around to the north by the afternoon.

High temperatures tomorrow will not be too different from today; only fewer areas will get stuck in the 30s.

Some thin clouds will pass through Wednesday night with winds continuing to be nearly calm but now turning around to the southeast. Tomorrow night’s temperatures will be nearly identical to tonight’s, also ranging through the 20s.

Dry weather will persist into Thursday as well. Much of the day may end up quite sunny, with clouds most likely early on and again late in the day.

Winds will become more southerly and increase to near or just over 5 mph. This will help nudge temperatures upward a little, with most areas getting above 45 degrees.

finger lakes weather 7-day forecast tue nov 18 | tues, cloudy a few peeks of sun low 40 | wed, sun and clouds low 40 | thur, sun and clouds mid 40 | fri, a few rain showers near 50 | sat, sun and clouds low 40 | sun, sun and clouds mid 40 | mon, late rain showers upper 40
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Staying Relatively Quiet Through the Weekend

Our next chance for precipitation will come on Friday as a quick moving low pressure passes across southeastern Canada, dragging a cold front through our area.

Out ahead of the front, southerly winds will continue Thursday night as clouds eventually increase. As a result, Friday will start a bit warmer with lows mainly in the mid 30s.

Afternoon highs will warm up to around 50 degrees, but winds will turn from the southwest to the northwest over the course of the afternoon as the front passes.

Scattered showers are likely to accompany the front, but most of what falls will be light and short-lived. Most areas will not even see a tenth of an inch of rainfall.

Saturday’s winds will end up being westerly with skies a mix of sun and clouds. No rain or snow is expected.

Temperatures will take a step back with morning lows in the upper 20s and low 30s and afternoon highs back to the low and mid 40s.

Most areas will start Sunday in the 20s, but highs will nudge a little warmer again, reaching the mid 40s for most. Skies will remain a mix of sun and clouds.

A stronger weather system is expected to arrive late Monday with rain and some wind. Rain showers will linger into early Tuesday, perhaps with some predawn snow mixing in over higher elevations.

As we head toward Thanksgiving later next week, the weather becomes more uncertain. As always, I will be happy to help you with any travel questions you may have, or any other questions at any time.

In an effort to help me keep track of all these questions and ensure I don’t miss any, I have created a new page on my website, Ask Drew! (flxweather.com/ask-drew), where I would ask you go to submit your questions.

More Information:

» Finger Lakes Weather Radar

» Finger Lakes Weather Radar

» Zip Code Forecasts

» Your Forecast

» Get the FLX Weather Mobile App

finger lakes weather 7-day forecast tue nov 18 | tues, cloudy a few peeks of sun low 40 | wed, sun and clouds low 40 | thur, sun and clouds mid 40 | fri, a few rain showers near 50 | sat, sun and clouds low 40 | sun, sun and clouds mid 40 | mon, late rain showers upper 40/><br />
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. </ion-router-link></p>
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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.

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