Weather in Firth, Idaho
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:59 PM ET · Refreshes every hour
80°F
Clear sky
Feels like 73°F
20%
Humidity
18 mph
Wind Speed
About Weather in Firth
Firth is located in Idaho (coordinates: 43.305788°N, 112.183454°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.