- designed to operate or be usable in any type of weather: an all-weather coat; an all-weather shelter.
- capable of resisting damage from exposure to any climatic conditions; weatherproof: an all-weather paint.
- in or including all types of weather: years of all-weather experience in the Arctic.
- denoting a track, course, or pitch for athletic events or horse racing, made from material which is suitable for use in all weather conditions
- Also: allweather an all-weather track or pitch