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Long Island weather: Cooler for marathon, but some light rain

The weather forecast for Saturday, May 5, 2018.

The weather forecast for Saturday, May 5, 2018. Credit: Weather Underground

Sunday’s Long Island marathoners might wish to start early and run fast, as a National Weather Service forecaster said the “best chance” for rain is from late morning into the afternoon.

The marathon begins at 8 a.m. near NYCB Live’s Nassau Coliseum and ends across from Parking Field 5 in Eisenhower Park in East Meadow.

Soggy clothing should not be too burdensome, even for late finishers.

“It’s a relatively light rain,” said Joe Pollina, an Upton-based NWS meteorologist.

The scattered showers — which could stretch into Sunday night — should only be a quarter of an inch to a third of an inch, he said.

Nor should runners have to battle headwinds — and clouds will keep temperatures on the cool side.

The east wind likely will hover around 6 to 8 mph. A high of only 56 is predicted.

That will be a contrast with last week, when the summerlike temperatures spawned higher levels of ozone as the sunlight reacted with exhaust.

The air quality on Long Island should be “good,” according to the state Department of Environmental Conservation.

The rest of this week looks just about idyllic for anyone pining for a real spring.

The intense heat of the past week that seemed to herald an abbreviated spring will be replaced by daytime highs in the mid-60s, according to the NWS.

“We’re back to spring weather,” said meteorologist Melissa DiSpigna of the Upton NWS office.

As for those extremes of weather we’ve been seeing for a month, she added, “That’s gone.”

Skies should be sunny and mostly clear until Thursday; there is a 30 percent chance of rain that night and on Friday.

But Saturday again could prove delightful: sunny with a high around 67.

“Beautiful spring weather most of next week,” said meteorologist Bruce Avery of News 12 Long Island.

With Craig Schneider

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