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Late Summer Heat Bringing 80s, 90s To Eastern US - Videos from The Weather Channel

Late Summer Heat Bringing 80s, 90s To Eastern US

September 18, 2025

The last week of summer is living up to its name as fall begins Monday. We will start to see some relief across the Plains, but the ridge of high pressure will keep millions across the eastern half of the country well above average for this time of year. The late summer heat spreads into the Northeast and mid-Atlantic by Friday as highs get close to 90 degrees along I-95 from Philadelphia to Baltimore down to Washington, D.C.