NYC Weather Update – June 14, 2021

A wet, cool start to the week with an early round of thunderstorms that moved through this morning. Another is likely to follow early in the overnight tonight. Lingering showers Tuesday with a weak surface low in the vicinity. Highs below normal in mid-70s Monday, then warming up to average by midweek with sunny weather returning. The warm up continues into the weekend – Father’s Day looking good weather-wise so far!

Rest of today – high temperatures in the mid-70s with mostly cloudy skies. A second frontal boundary will push towards the area later this evening, with showers and thunderstorms again possible into the early overnight hours. Temperatures falling into the mid-60s.

HRRR simulated 1-kim radar valid for 9:30 PM tonight. An area of moderate to heavy rain accompanying some thunderstorms is depicted.

Tuesday – mostly cloudy still with a chance for showers early. High temperature near 80ºF. Overnight lows in the low-60s with clearing skies.

Wednesday – high pressure builds in behind what should be a dry cold frontal passage and resulting in a mostly sunny day with high temperatures around 80ºF. Overnight lows in the upper-50s given that the high pressure will usher in cooler, drier Canadian air.

GFS 500 mb temperature, height, and wind for Thursday at 8 PM. Heights will be building with a longwave trough exiting to our east. The result will be pleasant, sunny weather.

Thursday mostly sunny with high temperatures in the upper-70s. Pleasant conditions with the high pressure above still in control. Overnight lows in the low-60s.