There are many synonyms for the term "weather gauge". Some of these words include barometer, weather predictor, forecasting tool, climate monitor, atmospheric instrument, meteorological meter, and thermometer. All of these terms refer to tools or instruments that measure and forecast weather conditions. The term weather gauge is commonly used to describe a device that measures barometric pressure or other atmospheric conditions. It has been used in nautical settings for hundreds of years to help sailors predict storms and rough seas. Other synonyms like barometer or thermometer may be more technically accurate, but weather gauge has a historical and nautical charm that continues to make it a popular term.