Most Read: Local

Posted at 05:00 AM ET, 05/25/2012

Forecast: Decent but warm start to a hot holiday weekend

Updated at 9:30 a.m.

EXPRESS FORECAST

Today: Clouds battle sun, muggy. Afternoon storm? 82-89. | Tonight: Partly cloudy. Mid-60s to around 70. | Tomorrow: Mainly sunny, still muggy. Around 90 to low 90s. | Sunday: Mostly sunny until possible p.m. storm. Around 90 to low 90s. | A Look Ahead | Get Express Forecast by E-mail

TODAY'S DAILY DIGIT

A somewhat subjective rating of the day’s weather, on a scale of 0 to 10


It’s getting a bit too warm and muggy! At least it’s a Friday with only a 20-30% chance of storms. Get the Digit on Twitter | Discuss on Facebook

FORECAST IN DETAIL


The unofficial start to summer is here, and Mother Nature will oblige with typical summer conditions — starting fully by Saturday — into next week. Muggy 90s are possible, but with some potential mitigation by periodic breezes, and isolated thundershowers. Are you ready to flee toward the cooler water and/or beaches this weekend?

Today (Friday): So, we may wake up with some clouds (patchy fog possible too) that stick with us for at least the morning, but we’ll see sunshine more and more as the day progresses. You may want the cloud cover, though. Sunshine ramps-up afternoon temperatures into the mid-to-upper 80s and it’s pretty humid too. The chance of thunderstorms still exists, so tuck away that small portable umbrella, but is down to around 20-30%. Hopefully that means not too many downpours to dodge for those driving to the beach. Breezes out of the southeast around 10-15 mph, especially in the afternoon, may be a bit refreshing. Confidence: Medium

Tonight: Some of the clouds clear out, and once any thundershowers die (usually by 10-11 p.m. in this type of air mass), a few stars may shine. Dinner time is pretty muggy in the upper 70s to low 80s, so dress in light-weight (and light-colored, if before sunset) clothing. Lows may remain near or above 70 downtown, ranging into the cooler mid-60s outside the Beltway. South breezes will be light, around 5-10 mph. Confidence: Medium-High

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend...

Tomorrow (Saturday): Starts our somewhat scorching streak of weather. Mostly sunny skies allow temperatures to rise quickly toward the 90-degree mark. Spots north of town that have perhaps a few more passing clouds in the afternoon, and might be typical cool spots, could be “lucky” and only reach the upper 80s. South of town, the muggy air really feels more oppressive in the low 90s. Find the shade or some cool water — speaking of which drink plenty of water please. As for natural relief, we’ve only got a slight 10-15% chance of an afternoon thunderstorm. Confidence: Medium-High

Tomorrow night: We slowly, I mean slowly, head down through the muggy 80s after dinner time (when there is still a 10% chance of a thundershower). Eventually, any clouds should move out, though probably not completely. Lows eventually bottom before sunrise in the upper 60s for most outside the Beltway, to lowe70s downtown. Confidence: Medium-High

Sunday: Scorches many of us again, but some warm-weather lovers may love highs in the low 90s. The air feels somewhat oppressive when our light, but variable, breezes aren’t blowing. Those of you lucky enough to be closer to the water, or further north, may only reach the upper 80s. We could make a run toward a high temperature record in at Dulles (92F in 2010), but it remains to be seen! Skies continue sunny except for that pesky 20-30% chance of an afternoon shower or thunderstorm. If you hear thunder, get off the beach please! Confidence: Medium

Sunday night: Cooler spots may enjoy a few mid-60s for lows, but most of us bottom closer to 70. Downtown may only get down to 72-75 before sunrise. Skies should stay partly cloudy, with just the slightest chance of a shower overnight. Enjoying the muggy overnight feeling? I, for one, am not! Confidence: Low-Medium

Memorial Day (Monday): Definitely a beach or pool day, or in an air conditioned movie theater. The hot and muggy conditions continue under partly to mostly sunny (but hazy) skies with highs in the low 90s for almost the entire region. If outdoors, sunscreen and lots of water goes without saying, yes? Heat indices could reach at least the mid-90s, if not upper 90s. Lucky ones may see a thundershower (25-35% chance), especially in northern parts of our area. Confidence: Low-Medium

A LOOK AHEAD

Tuesday should be an ok day to drive back from the beach, if you haven’t already. Some clouds shield us from that hot, strong sun, but thunderstorms may still pop (30-40% chance) so pull over if you find yourself in a downpour. Muggy highs in the low 90s may still feel pretty oppressive, as dewpoints try to hover near or around the 70-degree mark. Confidence: Low-Medium

BEACHCAST

To reiterate our previous Beachcast, we have a fairly uniform forecast summary for all beaches: warmth with plenty of sun, so don’t spare the 30-70 SPF sunscreen! At least it’ll be cooler than more inland locations…

Delaware/Maryland beaches should see highs climb from the upper 70s Friday to low 80s on the weekend, with the chance of a thundershower around 20% or less. Waves of 1 to 3 feet and water temperatures in the mid-60s to low 70s in more protected waters should be the norm. A couple buoys are near 72 degrees, especially in the northern bay (versus cooler ocean water).

Virginia beaches see highs in the upper 70s Friday rising to the low-to-mid 80s on the weekend. Rain chances are minimal (5% or so). Look for 1 to 2 foot waves and water temperatures in the low-to-mid 70s—especially in the southern Bay (nearer 80F) in places protected a bit from ocean water.

New Jersey beaches see highs warm from the mid-70s Friday to near 80 to the low 80s by Sunday/Monday with a more moderate chance (25-40%) of thundershowers. Waves are only 1 to 2 feet and water temperatures are around 60 to low 60s. Wetsuits might be advisable if doing more than simply wading into the waves a bit.

By  |  05:00 AM ET, 05/25/2012

Categories:  Forecasts

 
Read what others are saying
     

    © 2011 The Washington Post Company