Weather Planner: Monday, May 18, 2026

finger lakes weather forecast monday may 18 2026 sunny blue skies with a few small white clouds above a blue lake with trees on the distant shore in the background
Photo by Gwen Moshier

Weather Planner: Monday, May 18, 2026

An early taste of Summer will be in full force on Monday with highs in the upper 80s to low 90s. Dewpoints climbing well into the 60s will make it feel muggy, especially after the cool spring weather of the last few weeks. Skies will be sunny, mixing with some stray mainly thin clouds. Precipitation chances are almost zero, but a stray shower or storm late in the day has a very small chance of bubbling up. Overnight lows will remain in the upper half of the 60s with a few places staying near 70 degrees all night.

Early Morning (3-7 AM)

A few clouds.

No precipitation expected.

South winds 5-10 mph.

Temperatures mainly in the low and mid 60s. A few upper 50s in the southeastern FLX.

Morning (7-11 AM)

Sunny. A few clouds.

No precipitation expected.

South winds 5-10 mph.

Temperatures rising quickly through the 60s and 70s.

Midday (11 AM-1 PM)

Sunny. A few clouds.

No precipitation expected.

Southwest wind around 10 mph.

Temperatures continue rising into the mid and upper 80s.

Afternoon (1-5 PM)

Sunny. A few clouds.

No precipitation expected.

Southwest wind around 10 mph.

Temperatures mostly in the upper 80s to around 90 degrees. Urban areas reach the low 90s.

Late Afternoon (5-7 PM)

Sunny. A few clouds.

Very, very small chance for a stray shower or storm.

Southwest winds 5-10 mph.

Temperatures gradually drop to the mid 80s.

Evening (7-10 PM)

A few clouds.

Very, very small chance for a stray shower or storm.

Southwest winds 5-10 mph.

Temperatures drop to the low 70s.

Overnight (11 PM-3 AM)

A few clouds.

No precipitation expected.

Southwest winds 5-10 mph.

Temperatures in the upper 60s to near 70 degrees.

 

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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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