Cool Monday gives way to a warm week

finger lakes weather forecast monday october 23 2023 sun clouds warming temperatures
High temperatures will mostly be in the 50s today, but will push well into the 60s and 70s the rest of the week. [Photo by Judith Pierpont]

High Pressure Changes Pattern

As the weekend low pressure system continues to push eastward out over the North Atlantic, high pressure from the Midwest is quickly moving in to take its place.

The high is centered over West Virginia this morning and has brought clear skies to some parts of the region. However, with light northwest winds still in place, some lake effect clouds over the northern and eastern Finger Lakes remain this morning.

Sunshine will gradually expand this morning and, by the midday, most areas should see at least partial, if not full sunshine. The afternoon will then be sunny until some thin clouds high in the atmosphere move in late.

Temperatures vary this morning based on cloud cover, with upper 30s in the cloudy areas and low 30s where skies cleared. Afternoon temperatures will remain on the cool side, though they will be much warmer than yesterday. Most areas should see low 50s with a few pockets of upper 50s.

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The late day thin clouds will persist into the evening hours, but then should move out with clearing skies after midnight. Winds will be nearly calm early this evening before turning to the south and increasing to over 5 mph by the predawn hours.

With this pattern, our overnight lows will occur by midnight with most areas in the upper 30s and low 40s. Pockets of mid 30s are likely over the southeastern Finger Lakes. After midnight, temperatures should rise a couple of degrees.

Steady south winds just under 10 mph will blow on Tuesday. These winds will team up with mostly sunny skies to give a big jump to the temperature. Mid and upper 60s will be commonplace, while areas around Rochester, Geneseo, and Dansville could reach 70 degrees. Even higher elevations should make it into the 60s.

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finger lakes weather 7-day forecast mon oct 23 | mon, sun and clouds low 50 | tues, mostly sunny mid 60 | wed, mostly cloudy near 70 | thur, sun and clouds low 70 | fri, a few showers low 70 | sat, a few showers mid 60 | sun, a few showers upper 50
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Warm Weather Dominates

On Wednesday, high pressure will be centered over the Carolinas while a band of slightly unsettled weather sets up from the Midwest, across the Upper Great Lakes, and into eastern Canada.

This should lead to an increase in cloud cover on Wednesday. Some breaks of sun may be possible, or the sun may filter through some thin patches, but overall it will be a cloudier day.

South and southwest winds will continue, however, pushing temperatures into the upper 60s and low 70s.

There will be a small chance for a couple of showers late Wednesday and especially Wednesday night. Rainfall amounts will be minimal, and many areas will see no rain.

Thursday will be dry with a mix of sun and clouds. Southwest winds will persist, nudging temperatures higher yet with widespread highs near or above 70 degrees.

The warm weather may peak on Friday with another day of south winds and at least partial sunshine. A few showers may also enter the area, especially later in the day. Friday will see highs in the low and mid 70s.

The weather for the weekend is less certain, but the warm pattern should gradually begin to break down. Currently, highs are still expected to be in the 60s on Saturday but may return to the 50s for Sunday.

Both days look to have a chance for showers, but neither day looks as wet and stormy as the past several weekends. That type of weather may hold off until early next week, when afternoon temperatures dive back into the 40s.

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finger lakes weather 7-day forecast mon oct 23 | mon, sun and clouds low 50 | tues, mostly sunny mid 60 | wed, mostly cloudy near 70 | thur, sun and clouds low 70 | fri, a few showers low 70 | sat, a few showers mid 60 | sun, a few showers upper 50
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected.

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.