Weather Planner: Friday, September 18, 2026

finger lakes weather forecast friday september 18 2026 blue skies with a few thin white clouds above a cut grass field with mature corn in the background with a forest behind it
Photo by Gwen Moshier

Weather Planner: Friday, September 18, 2026

Steady north-northwest winds on Friday will clear out the humidity and bring temperatures down slightly; dewpoints will be in the 50s and afternoon highs in the upper 60s to near 70 degrees. Skies will be sunny with some occasional clouds and no precipitation. Clouds may become a bit thicker at times after sunset, but will still alternate with clear patches. It will be a cool night with lows in the mid and upper 40s.

Early Morning (3-7 AM)

Partly cloudy.

No precipitation is expected.

Northwest winds 5-10 mph.

Temperatures in the mid and upper 50s.

Morning (7-11 AM)

Sunny with some thin clouds.

No precipitation is expected.

North-northwest winds increasing to around 10 mph.

Temperatures rising toward the mid 60s.

Midday (11 AM-1 PM)

A mix of sun and clouds.

No precipitation is expected.

North-northwest winds around 10 mph.

Temperatures in the mid and upper 60s with a few urban and valley areas hitting 70 degrees.

Afternoon (1-5 PM)

A mix of sun and clouds.

No precipitation is expected.

North-northwest winds around 10 mph.

Temperatures in the mid and upper 60s with a few urban and valley areas hitting 70 degrees.

Late Afternoon (5-7 PM)

A mix of sun and clouds.

No precipitation is expected.

North-northwest winds around 10 mph.

Temperatures dropping to the low and mid 60s.

Evening (7-11 PM)

Periods of clouds, periods of mostly clear skies.

No precipitation is expected.

Northeast winds around 5 mph.

Temperatures dropping to the low and mid 50s.

Overnight (11 PM-3 AM)

Periods of clouds, periods of mostly clear skies.

No precipitation is expected.

Northeast winds under 5 mph.

Temperatures ranging from the mid 40s to low 50s.

 

Weekend Preview

Saturday: Sun and clouds, turning more cloudy late. Perhaps a late or nighttime shower. Highs in the mid 60s.
Sunday: Uncertain rain chances, highest across the south. Highs in the low and mid 60s.

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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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