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Forecast: Sunny Sunday, but autumn-like late in the week

A beautiful, sunny day is expected for Sunday,

A beautiful, sunny day is expected for Sunday, Aug. 20, 2017 with temps in the mid 80s, forecasters said. Credit: News 12 Long Island

Long Islanders can look forward to a sunny and warm day on Sunday ahead of a week that ends much cooler when it will be “feeling like autumn,” according to forecasters.

“Sunday’s going to be sunny — it’s going to be a really, really nice day to do any outdoor activities,” News 12 Long Island meteorologist Mike Rizzo said.

Rizzo predicted Babylon will be one of the warmest spots on the Island on Sunday with a high of 86 degrees. He said Medford, Islip, Glen Cove and Hempstead will reach a high of 85; Huntington and Westhampton Beach, 84; Stony Brook and Rocky Point, 83; Jamesport and Bridgehampton, 82; and Orient and Montauk, 81.

“It’s just going to be a nice, sunny Sunday all day and Monday looks really good too,” Rizzo said.

Monday — the day of the solar eclipse — will again be sunny with highs around 85 and lows about 73, Rizzo said, adding that conditions will be good for the eclipse, but warning that anyone wanting to witness the historic event should make sure to wear protective eclipse glasses.

“Don’t wear sunglasses, they’re not safe,” Rizzo said.

Real changes in the weather begin Tuesday when a mix of sun and clouds is forecast with showers moving in late in the day as a storm approaches. The high will be 86 degrees and the overnight low will be 70 degrees, according to the forecast.

“There’ll probably be a little more humidity on Tuesday — it’s probably going to be the hottest day of the week, and northern and northwestern Long Island could reach 90,” said Nelson Vaz, a meteorologist for the National Weather Service in Upton. “Tuesday into Wednesday there’s a frontal system crossing the area.”

Look for mostly cloudy skies on Wednesday when there’s a chance of late-day thunderstorms. The high will reach 84 degrees and the overnight low will drop to 71 degrees.

Mostly sunny skies return on Thursday, but it will be cooler. The mercury will reach just 80 degrees and the overnight low will be 66 degrees, according to forecasters.

“Late in the week it’ll be cooler and drier,” Vaz said. “There’s an air mass coming in — Canadian high pressure moving in for Thursday, Friday and Saturday.”

Sunshine followed by increasing clouds start off the weekend on Friday when the high will be 78 degrees and the overnight low will be 64 degrees.

“Temperatures at the end of the week will be in the 70s — feeling like autumn,” Rizzo said.

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