All-weather and All-purpose

All-weather adjective - Usable or operative or practiced in all kinds of weather.

All-purpose and all-weather are semantically related. In some cases you can use "All-purpose" instead an adjective phrase "All-weather".

All-purpose adjective - Not limited or specialized in application or purpose.

All-weather and all-purpose are semantically related. Sometimes you can replace phrase "All-weather" with "All-purpose", this phrases are similar.