weather window

British  

noun

1. a limited interval when weather conditions can be expected to be suitable for a particular project, such as laying offshore pipelines, reaching a high mountain summit, launching a satellite, etc

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Example Sentences

I was starting back at work in Aberdeen on Monday, but rather than risk driving in the dark in tricky conditions that morning I came back down the road on the Sunday afternoon in daylight, during what appeared to be a slight weather window.

From BBC

"The reason we chose May was because hopefully this will give us the best weather window to run."

From BBC

Farmers wait for the perfect weather window, then crank up the combine, whatever the day or the hour, to get the harvest home.

From BBC

Garrett Madison, of the U.S.-based Madison Mountaineering company who is also on K2 leading a different expedition, said the climbers took advantage of a narrow weather window and summitted the mountain.

From Reuters

“A weather window has just opened up and we are going to attempt a dive tomorrow,” renowned adventurer Hamish Harding said Saturday on Instagram.

From Seattle Times