Weather systems roll through this week, but with little rain

finger lakes weather forecast monday august 31 2020 sun clouds mild temperatures little rain
Temperatures will continue to be mild this week as a number of weather systems move through, yet rain will be scarce and insignificant. [Photo by Lisa Miller]

High Pressure Departs

A quick-moving high pressure system passed through overnight and will head east today.

The clear skies and light winds beneath the high allowed temperatures to fall back into the 40s and 50s last night.  Now that we are on the backside of the high, temperatures will be able to rebound a bit.

Morning sunshine will help the warming cause, as will an increasing southeast wind. Wind speeds will build to around 10 mph today with the occasional gust of 20-25 mph.

Southeast winds warm the northwestern half of the region more than the southeastern half. As the winds come down off the higher elevations, they have a warming effect.

Today, areas in and around Rochester will be near or slightly above 80 degrees. Meanwhile, areas from Tully to Cortland to Binghamton will only see the low 70s. Most areas will be in between with mid and upper 70s.

Skies will gradually become cloudier as the day goes on, thanks to both fair weather clouds and some more widespread, yet thin clouds higher in the atmosphere.

Skies should briefly clear up some tonight, but clouds will thicken, and a few showers will move in after midnight.

These showers will be from a low passing well to our southeast. Clouds and the chance for a few scattered showers will continue into Tuesday. Meaningful rain is not expected, though.

Winds will turn more southerly tonight and continue into Tuesday. The wind and clouds tonight will hold temperatures in the 60s. High temperatures on Tuesday will mostly be between 75-80 degrees.

finger lakes weather 7-day forecast monday august 31 2020
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Weak Fronts

The weather will remain in an unsettled pattern for much of the week, but we will not have much rain to show for it.

On Wednesday, an incoming weather system will be poorly timed to bring rain to our region.

During the daytime hours, a few showers or thunderstorms will be possible. Most areas will stay dry though, with better chances for rain well southeast and well northwest of the region.

That front will slide through before dawn Thursday with a few scattered showers. A second front will follow a similar path Thursday night into early Friday, bringing only a few showers to the Finger Lakes.

Temperatures should get a boost on Wednesday from continuing south winds ahead of these fronts. The wind may be gusty at times.

Highs on Wednesday should reach the mid 80s. Thursday will have similar temperatures with a fair amount of afternoon sunshine. Winds will briefly turn northerly as the first front passes, but will quickly turn back to the south ahead of the second front.

Friday morning’s front should reset our temperatures, with highs Friday and Saturday in the low and mid 70s.

Overnight temperatures should remain in the 60s most of the week, with 50s more likely by the weekend.

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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.