But I'm looking out the window right now, and I can see some brilliantly red trees

Autumn reds disappearing as global warming blurs boundaries between the seasons - Telegraph

The vibrant palette of autumn is draining away from Europe's woodlands, as global warming continues to blur the boundaries between seasons, scientists have warned.
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"I'm in the forests and woods every day," said Dr Giustino Mezzalira, a forestry expert and director of agricultural research for Italy's northern Veneto region, told the Telegraph, "and in recent years, we just haven't seem seen the same beautiful colours that we used to see.

"Something is clearly happening to make the colours less vivid. The wood is a living organism that tries to adapt to the climate, and change in climate is the cause. We really need to study and understand what's happening.
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In the US, researchers at the University of Vermont have just received $45,000 grant from the Department of Agriculture to monitor the situation following fears that famous autumnal displays in its woodlands are losing their splendour.

Vibrant foliage predicted this year - Waltham, MA - The Daily News Tribune

HANOVER —

Southeastern New England should show its full color the last week of October, predicts Paul Tribuna, manager of Bartlett Tree Experts in Hanover.

“I’m looking at maples right now. Their tops are bright red; they are beautiful,” Tribuna said last week, noting treetops along Cohasset streets.