Weekend Outlook: June 19-22, 2020

Astronomical Summer officially begins at 5:43pm on Saturday, but summer weather will be here all weekend.

This morning’s satellite loop shows low clouds and fog burning off before high clouds move into the South Coast. Northern New England remains clear. Loop provided by NOAA.

We’ll be brief today, because it’s really a very simple forecast. High pressure slides offshore, providing us with warm to hot and humid conditions for the next several days. Friday and Saturday look to be the hottest days, with temperatures topping 90 in some areas, especially from the Merrimack Valley into southern New Hampshire. Sunday and Monday will be a couple of degrees cooler, as we’ll have a bit more cloudcover, thanks to an upper-level low pressure area moving through. It may produce a few showers and thunderstorms, especially on Monday, but neither day should be a washout.

Dewpoints will be well into the 60s across the region for the next few days. Image provided by WeatherBell.

If you’re thinking of heading to the beach, bring the sunscreen. The UV Index will be in the very high range for the next few days, which means you’ll start to burn in just 15-20 minutes. High tides will be around midday for beaches on the east coast, while south coast beaches will have high tides in the morning, with a low tide around midday. Water temperatures are generally in the 60s right now. For those of you thinking about heading out on a boat, you’ll have southwest to south winds at 5-15 knots for the next few days, seas generally 1-3 feet, and aside from some patchy fog in the mornings, good visibility each day.

Thursday night: Clear to partly cloudy. Some low clouds and fog are possible along the south coast. Low 61-68.

Friday: Sunshine and a few clouds. High 86-93, cooler along the South Coast.

Friday night: Clear to partly cloudy. Low 61-68.

Saturday: Mostly sunny with a few afternoon fair-weather clouds, just a slight chance for an afternoon shower or thunderstorm, mainly across southern New Hampshire. High 87-94, cooler along the South Coast.

Saturday night: Clear to partly cloudy. Low 62-69.

Sunday: A mix of sun and clouds, a shower or thunderstorm is possible, but most of the shower activity should stay north and west of the area. High 84-91, cooler along the South Coast.

Sunday night: Partly cloudy. Low 61-68.

Monday: Partly sunny, some showers and thunderstorms are possible in the afternoon. High 83-90, cooler along the South Coast.

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