Weather forecast for: Johnston IA
Last Update: 1:46 am CST Nov 4, 2026
Overnight: A 20 percent chance of showers. Cloudy, with a low around 45. West wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday: A 20 percent chance of showers before 9am. Cloudy, with a high near 52. West wind 11 to 15 mph, with gusts as high as 24 mph.
Wednesday Night: A 30 percent chance of showers, mainly after 5am. Cloudy, with a low around 44. West wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday: A 40 percent chance of showers, mainly between 9am and 11am. Cloudy, with a high near 54. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday Night: Mostly cloudy, with a low around 40. North wind 5 to 8 mph.
Friday: Partly sunny, with a high near 50.
Friday Night: Partly cloudy, with a low around 31.
Saturday: Mostly sunny, with a high near 53.
Saturday Night: Mostly clear, with a low around 36.
Sunday: Sunny, with a high near 60.
Sunday Night: Clear, with a low around 38.
Monday: Sunny, with a high near 65.
Monday Night: Mostly clear, with a low around 42.
Tuesday: Sunny, with a high near 65.
WeatherWorld.com
City of Johnston, IA
