Warmer weather works back into the Finger Lakes

finger lakes weather forecast monday may 31 2021 memorial day
After a drab weekend, the sun will shine today and temperatures will return to near average levels. Warmer weather is expected throughout the week. [Photo by Lisa Curran Joens]

Early Week Weather

Persistent clouds, showers, and cool temperatures have made for a dreary Memorial Day Weekend, but today will finally lead to warmer, sunnier weather.

There are still thick clouds this Memorial Day morning in the far southeastern Finger Lakes, but the rest of the region is clear. Areas of fog have also developed in the river valleys of the Southern Tier.

The clouds in the east will slowly move out this morning and the fog will quickly burn off as well. Sunshine will mix with a few fair weather and high atmosphere thin clouds today. Mostly though, it will just be sunny.

Highs will work into the upper 60s and low 70s today, which is close to the seasonal averages for the final day of May.

Clouds will increase tonight as a deck of thin overcast moves in. The clouds will thicken during the middle of the night, and a few stray showers cannot be ruled out.

By Tuesday morning, some sun will mix with the clouds. This will continue through the day, but no additional rain is expected. High temperatures will be a degree or two warmer than today.

Wednesday will also have some sun mixing with clouds early on. During the afternoon, a few showers will work in from the southwest. A rumble of thunder may be possible, too.

With the increase in clouds and showers, highs will stick closer to 70 degrees.

finger lakes weather 7-day forecast monday may 31 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Wet Then Warmer

Thursday looks like the wettest day of the week as a weather system moves through. Numerous showers and a few thunderstorms will stick around throughout the day.

Nonetheless, highs should add a few degrees and reach the mid 70s for most areas.

Showers and a few thunderstorms will linger into Friday, but the coverage will probably not be as widespread. Highs will again sit in the mid 70s after a mild morning with lows in the low 60s.

A few more showers may linger into next weekend, but it is too far in advance to be certain. There is high confidence in a continued rise in temperatures, though. Saturday should be at least near 80, and Sunday may well shoot into the mid 80s.

This will kick off a stretch of warm and muggy weather for at least the first half of next week. Daily highs should be well into the 80s if not near 90. Dewpoints will push into the 60s, making it feel rather muggy.

With all of the heat and humidity, a few pop-up thunderstorms will be possible. However, at this very early time, there does not appear to be much to trigger more widespread activity. It will be something to watch, however, as even a small disturbance at the right time could easily lead to more numerous storms.

More Information:

» Finger Lakes Weather Radar

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finger lakes weather 7-day forecast monday may 31 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.