Weather Planner: Monday, April 20, 2026

finger lakes weather forecast monday april 20 2026 patches of snow in long green grass with a dry road running along the bottom left of hte image. The sky above is mostly cloudy with some patches of blue between white clouds.
Cold northwest winds will bring additional snow showers on Monday, but the day will end sunny as high pressure builds in. Clear skies and light to calm winds Monday night will send temperatures down into the 20s with a few cold pockets even making a run at 10s. [Photo by Gwen Moshier]

Weather Planner: Monday, April 20, 2026

Cold northwest winds will bring additional snow showers on Monday, but the day will end sunny as high pressure builds in. Clear skies and light to calm winds Monday night will send temperatures down into the 20s with a few cold pockets even making a run at 10s.

The evening weather planner posts are designed to help you prepare for the next day by provide quick, time-specific forecasts before heading out. This is not necessarily a post you need to read start-to-finish, but you can easily navigate to the time periods that will affect your day. If you are looking for information beyond the date of this Weather Planner, check back in the mid-morning to see if an extended forecast has been posted.

 

Early Morning (3-7 AM)

Mostly cloudy.

Scattered flurries and snow showers.

Northwest winds around 10 mph.

Temperatures in the upper 20s and low 30s.

Morning (7-11 AM)

Mostly cloudy.

Scattered flurries and snow showers.

Northwest winds 10-15 mph.

Temperatures in the low and mid 30s.

Midday (11 AM-1 PM)

Mostly cloudy.

Scattered flurries and snow showers.

Northwest winds 10-15 mph.

Temperatures mainly in the mid 30s with some warmer and cooler pockets.

Afternoon (1-5 PM)

Mostly cloudy with increasing sun late.

Scattered flurries and snow showers.

Northwest winds 10-15 mph.

Temperatures mainly between 35-40 degrees.

Late Afternoon (5-7 PM)

Becoming mostly clear.

No precipitation expected.

Northwest winds 10-15 mph.

Temperatures dropping to the low and mid 30s.

Evening (7-10 PM)

Mostly clear. A few thin clouds.

No precipitation expected.

Calm or light and variable winds.

Temperatures quickly dropping to the mid and upper 20s, possibly with some isolated colder pockets.

Overnight (11 PM-3 AM)

Mostly clear. A few thin clouds.

No precipitation expected.

Calm or light and variable winds.

Temperatures ranging through the 20s based on topography and proximity to lakes.

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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