6:30 AM | **Big changes here this weekend with the influx of a much cooler air mass**

6-Day forecast for the Washington, D.C. metro region

Today

Mainly cloudy with some patchy fog around early, warm, chance of showers, highs in the mid-to-upper 70’s; S-SE winds around 5-10 mph

Tonight

Mainly cloudy, cool, occasional showers likely, maybe some patchy fog, lows not far from 60 degrees

Saturday

Clouds to give way to some sun, cooler, occasional showers possible during the AM and mid-day hours, becoming quite breezy, mid-to-upper 60’s for afternoon highs

Saturday Night             

Windy and colder with mainly clear skies, mid-to-upper 40’s for late night lows

Sunday

Windy and chilly with a mix of clouds and sun, near 60 degrees for afternoon highs

Monday

Mainly sunny, still quite cool, low-to-mid 60’s

Tuesday

Mainly sunny, cool, mid 60’s

Wednesday

Mainly sunny, cool, mid-to-upper 60’s

Discussion              

Big changes are on the way this weekend with the influx of a much cooler air mass that had its origins up in northern Canada. A strong cold front will pass through the area on Saturday and winds will pick up noticeably by later tomorrow from a northwesterly direction. Winds will remain an important factor on Sunday as the overall pressure gradient field tightens across the northeastern states as the remnants of Tropical Storm Philippe invigorates this incoming upper-level trough system. Temperatures on Sunday are likely to be confined to near 60 degrees for afternoon highs and the stiff NW wind will make it feel even colder than the actual air temperature. Cooler-than-normal weather is likely to persist for much of next week in the Mid-Atlantic region.

Meteorologist Paul Dorian
Arcfield Weather