Think you’ve got your Juneteenth week plans figured out? Not so fast. The weather in Philadelphia is throwing a curveball, with strong thunderstorms expected to hit after 5 p.m. on Tuesday, just as the city is winding down from work—and winding up for celebration. But don’t pack away your plans just yet: after the storms pass, the heat is cranking up in a big way.
This week in the City of Brotherly Love is a classic June mashup—rain, thunder, and 90+ degree heat, all jammed into a five-day window. Whether you’re headed to work, prepping for Juneteenth events, or just trying to survive the heat, here’s exactly what to expect and how to stay ahead of it all.
Tuesday: Thunderstorm Trouble After 5 p.m.
The day will start off humid and cloudy, with temperatures climbing toward 80°F by late afternoon. But don’t let the calm fool you—weather models show storm cells firing up after 5 p.m., just in time to catch commuters and evening eventgoers off guard.
These thunderstorms could bring:
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Heavy downpours
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Loud, frequent lightning
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Strong wind gusts
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Sudden street flooding
If you’re planning to drive or take SEPTA, give yourself extra time and monitor alerts. These aren’t just gentle spring showers—they could disrupt roads, rails, and rooftop dinners.
Wednesday & Thursday: On-and-Off Storm Threats Continue
The storm pattern doesn’t stop Tuesday. Wednesday brings more scattered storms, especially in the afternoon, along with highs near 86°F and that sticky Philly humidity we all know too well. It won’t rain everywhere at once, but if you’re under a cell, you’ll know it.
On Thursday (Juneteenth Eve), the forecast looks even more dramatic. Expect a gusty thunderstorm or two in the afternoon, with a real chance of hail or damaging winds. If you’re organizing early Juneteenth activities or outdoor set-up, consider backing up your plans indoors.
Friday: Juneteenth Turns Up the Heat
And then, just like that, the skies open up—and the heat moves in. Friday is shaping up to be hot, sunny, and steamy, with highs pushing 92°F and minimal clouds to give you relief. It’s perfect for celebrations, barbecues, parades, and block parties, but only if you’re prepared for the heat.
Make sure to:
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Hydrate early and often
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Bring sunscreen and shade gear
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Check in on elderly neighbors or folks without AC
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Keep water bottles ready at outdoor events
There’s also a small chance of a pop-up shower late in the day, but overall, the forecast is bright and bold—just like the holiday it honors.
Your Week-at-a-Glance Weather Prep
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Tuesday: Storms after 5 p.m.—plan indoor commutes or carry rain gear
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Wednesday: Warm and stormy—watch the sky if you’re outside
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Thursday: Gusty storms possible—protect Juneteenth setups
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Friday (Juneteenth): Sunny and 92°F—hydrate, shade up, and enjoy
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Weekend: Heat continues—expect upper 80s to low 90s
