Wiktionary
a. Not affected by climatic conditions; capable of normal operation regardless of precipitation, wind, sun, or the like.
WordNet
adj. usable or operative or practiced in all kinds of weather; "a good all-weather road"; "all-weather flying"
Usage examples of "all-weather".
An all-weather interceptor, the F-14 has transoceanic range, Mach 2 speed, and a radar computer fire-control system that can lock onto and attack six separate targets with long-range Phoenix air-to-air missiles.
I unzipped the bag and, even through my all-weather sniper suit, immediately felt the freezing cold in the unpressurized 747 cargo hold.
The place was crammed with supplies: frozen food, sacks of rice, auto parts, all-weather hiking gear, boxes of ammunition.
This particular car was a model 1607 formal, all-weather town car with a wheelbase slightly over 139 inches and a magnifi-cently quiet V-12 engine with 473 cubic inches that Pitt had tweaked to put out 200 horsepower.
Then came more demanding levels, one after the other, formation flying, instrument flying, jet training, all-weather flying, gunnery, and at each level more were washed out and left behind.
He brushed at the all-weather radial tire print that ran up the front of his black duster and across his angelic face.
If you resubscribe now, not only will you receive a year's worth of Netfeed for half the standard price, but we'll include this wonderful all-weather Netfeed logo jacket made with miracle nanotechnology fibers, and one of our handsome plasmaglyph Netfeed coffee cups.
Only the small collection of F-15E Strike Eagles was really all-weather capable (night is considered a weather condition).