Weather in Johnston, Iowa
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:54 PM ET · Refreshes every hour
82°F
Clear sky
Feels like 79°F
30%
Humidity
8 mph
Wind Speed
About Weather in Johnston
Johnston is located in Iowa (coordinates: 41.69195°N, 93.724456°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.