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Forecast: Sunny, dry, and hot again; cloudy, chance of storms Wednesday

Maybe below 90 tomorrow?

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

All I can say is that today is slightly better than yesterday, but it is still frustratingly hot.
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Today: Scorching sun, low humidity. 94-98. | Tonight: Partly cloudy. Early a.m. storms possible. 70-75. | Tomorrow: Mostly cloudy, scattered thunderstorms. 86-92. | Get Express Forecast by E-mail


For the past several weeks, strong heat from a massive dome of high pressure in the middle of the nation has dominated our weather. That feature is still there, but now we see some influences from a new blocking pattern in the North Atlantic. This “conflict of influencers” means we see more variability instead of being just severely hot. In fact, the retreat of the big heat ridge tomorrow opens the door for many areas to come in below 90 for the first time since mid-July. Yes, we bounce hot/humid again on Thursday and Friday, but at this point, at least we do not see any repeats of 100+ temperatures on the horizon.

Today (Tuesday): Dry high pressure keeps our dew points down, but we are still stuck in a hot air mass for today with highs ranging through the middle 90s (some upper 90s possible again) with nearly full sunshine. Light winds from the northwest. Confidence: High

Tonight: A few clouds around, which may thicken in the early morning hours toward dawn with a 30% chance of thunderstorms by or before rush hour. Lows in the low-to-mid 70s with light and variable winds. Confidence: Medium

Keep reading for the forecast through the weekend...

Tomorrow (Wednesday): Mostly cloudy skies with a 40% chance of showers and thunderstorms. The most likely recipient of storms is north and east of our area toward Baltimore and especially Philadelphia. Nonetheless, the proximity of the disturbance passing by means considerable clouds, which could prevent many areas from reaching 90 degrees for the first time in more than two weeks! Look for highs in the upper 80s to low 90s. Light southwest winds. Confidence: Medium

Tomorrow night: Scattered evening thunderstorms (30% chance) and muggy with lows ranging from the upper 60s in the suburbs to the low-to-mid 70s in the city. Partly cloudy skies. Confidence: Medium


Thursday and Friday are similar days with partly to mostly sunny skies, hot weather, and increasing humidity. Highs could range from the upper 80s to the middle 90s (I’m leaning toward the hotter side of the range based on how this pattern has verified). Partly cloudy skies Thursday and Friday nights with lows ranging from near 70 in the surburbs to the mid-to-upper 70s in the city. Confidence: Medium

The weekend is a mixed picture with clouds and p.m. thunderstorms on Saturday into Saturday night (40% chance) and then drier, but hot again on Sunday with more sunshine. Highs on Saturday range from the mid-to-upper 80s possibly up into the low 90s (another day below 90!?!). Sunday is looking like middle 90s again under partly to mostly sunny skies. Confidence: Low-Medium.

Matt Rogers is a meteorologist and a Petworth resident. He is president and co-founder of Commodity Weather Group in Bethesda, Md., which focuses on weather risks for the energy and agriculture sectors. Like most meteorologists, his passion for weather started extremely early in life and has never let go.


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