D.C. area forecast: Humidity slips and sun holds today; Storms may mar end of summery weekend

August 28

Today’s Daily Digit

A somewhat subjective rating of the day’s weather, on a scale of 1 to 10.

7
A little less heat and a little less humidity makes today a whole lot better.

Express Forecast

Today: Sunny, moderate humidity. Highs: 85-89.

Tonight: Star-filled skies, calm. Lows: 57-64.

Tomorrow: Mostly sunny, lower humidity. Highs: 84-88.

FORECAST IN DETAIL

Temperature Map

Temperatures: Latest D.C. area temperature map. See interactive map on our Weather Wall.

Humidity slips lower over the next two days but makes a comeback for an appropriate last summer weekend. Thunderstorms should hold off  for most of us until Sunday or Monday so get the grilling  in early this weekend. Later in the weekend, no wash out is expected, just a little more friendly garden-watering  (at least I hope so or I am going to have to break down and find that sprinkler after all).

Hurricane Cristobal is far, far offshore with the only notable sign some 5 foot waves on the beaches this morning.  On  that note,  the holiday weekend weather is  just “beachy”. Scroll to the bottom of this post for the beach weather outlook.

Today (Thursday): Being in the wake of Hurricane Cristobal comes close to assuring us crystal clear skies. A light westerly wind still elevates temperatures while the humidity slowly falls. Highs hit the mid-to-upper 80s. Confidence: High

Tonight: The stars come out in force as clear skies and drier air dominate. Winds are not to be found. Lows slip to the upper 50s to lower 60s. Confidence: High

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

Tomorrow (Friday): A few  clouds may splotch our blue skies today but sunshine still  dominates. Breezes are very faint. Highs top out in the mid-to-upper 80s but humidity levels are quite tolerable. Confidence: High

Tomorrow night: The evening encourages outdoor activities (not talking about sitting in traffic) with readings near 80 under starry skies and a lovely crescent moon on the western horizon. Winds are mainly calm. Lows only fall to the mid-to-upper 60s. Confidence: High

A LOOK AHEAD

Saturday is the kind of day that makes you want to find the nearest, pool, beach or shady  park and take in a fine summer day. Humidity climbs  but not yet painfully.  Skies are mainly sunny but pop up clouds are likely by afternoon.  There is a very slight chance (<20%) of an  isolated afternoon or evening t’storm but any should quickly die out at sunset. Highs top out in the upper 80s to lower 90s and overnight lows hold in the upper 60s to lower 70s. Confidence: Medium-High

Sunday starts percolating with highs climbing to the upper 80s to the lower 90s and humidity on the verge of painful. This sets the stage for a much more likely uptick in t’storm activity (40% chance), especially late afternoon and evening. Sadly, the clouds may obscure yet another impressive  conjunction of  the crescent moon, Mars, and Saturn in the western horizon after sunset. Overnight lows remain summery with upper 60s to lower 70s. Confidence: Medium

Labor Day (Monday) ends the official summer season in style with a good deal of sun (at least to start the day),  humidity, and t’storm chances (60%). The showers may at least cut the heat back to just mid-to-upper 80s but may make for some returning holiday traffic issues. Confidence: Medium

Beach Weather looks good up and down the coast. Southern Jersey, Delaware, and Maryland beaches start the weekend in the upper 70s to lower 80s and end in the mid-to-upper 80s. Lows mainly hold in the 60s. Beaches  in Virginia and North Carolina see highs in the low-to-mid 80s climb to the upper  80s to lower 90s with lows ranging from mid 60s early to lower 70s later.  T’storm chances do not really show up until Sunday night  in most areas and then are only about 30%, climbing to 40% on Monday. Ocean temps are mainly mid-to-upper 70s and waves should only run 1-3 feet as winds remain on the light side throughout. Confidence: Medium-High

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