From the ABC 7 Weather team

Summer's heat & humidity arrive right on schedule

May 28, 2011 - 11:30 AM
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Plan on ways to keep your cool this weekend as summer-like heat and humidity will make for sultry days. 

This Afternoon: Mostly Cloudy, Warm, Showers

Highs: 81-85 | Wind: S 5-10

Tonight: Partly Cloudy, Stray T-Storm

Lows: 64-69 | Wind: SE 5-10

Sunday: Mostly Sunny, Hot, Humid

Highs: 85-89 | Wind: S 5

It has been a long wait, but summer-like weather has finally arrived in the Nation's Capital. After hitting 92 degrees on Thursday - the first time the mercury crossed the 90 degree threshold this year - and seeing dew points rise into the 60s, steamy days are here to stay for the near future. Under mostly cloudy skies, today will likely be the mildest of the weekend days with afternoon highs in the low to mid 80s. Some isolated afternoon thunderstorms are possible, but are expected to be less severe than yesterday's. A few storms are again possible overnight as skies turn partly cloudy and temperatures stay warm in the upper 60s. Sunday should be a few degrees hotter than today with highs in the mid to upper 80s.  Dew points will stay in the uncomfortable 60s, making air conditioners and swimming pools - many of which are opening this weekend- very popular.  Memorial Day could be the hottest day of the weekend, and indeed, the year, with the thermometer expected to soar into the low to mid 90s. That same pattern, caused by a ridge of high pressure that will continue to funnel very warm air from the south, could prevail until Thursday when cooler, drier, and more seasonable weather returns.

NOTE: The Maryland and Delaware beaches will be considerably cooler this weekend with daytime highs in the 70s and water temperatures in the 60s. Virginia Beach and the Outer Banks will be a bit milder with highs in the lower 80s and water temperatures in the upper 60s and low 70s.  But whether you're going to the beach or staying home, keep in mind that the UV Index is very high.  Be safe and enjoy the holiday weekend.  

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