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Johnston, IA Weather & Current Conditions

50131 Weather (Johnston, IA)

Current Conditions and Weather for Johnston, Iowa

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Mostly Cloudy at Johnston (50131), temperature is 42°F6°C, dew point 42°F6°C, humidity 100%. Wind direction is N at 14 mphat 23 km/h with visibility of 7 mi11 km. Barometric pressure is 30.17 in1021 mb. Last update: 11:58 pm.*

*Time is approximately 11:58 pm Thu, Nov 05, 2026. Time will be within 15 minutes of current local time. Johnston weather forecast data is updated every 15 minutes.

Sun & Moon

Converter

Cloud Cover	96%
uv UV Index	1
Sunrise	06:52 AM
Sunset	05:04 PM
Moonrise	03:06 AM
Moonset	03:07 PM

Civil Twilight
6:21 AM to 6:50 AM
5:03 PM to 5:32 PM
Waning Crescent Moon

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Johnston Weather Forecast

Weather forecast for: Johnston IA

Last Update: 10:46 pm CST Nov 5, 2026

Tonight: Cloudy, with a steady temperature around 42. North wind around 8 mph.

Friday: Cloudy through mid morning, then gradual clearing, with a high near 48. North wind around 6 mph becoming calm in the afternoon.

Friday Night: Partly cloudy, with a low around 32. Calm wind.

Saturday: Mostly sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the morning.

Saturday Night: Mostly clear, with a low around 38. West southwest wind 3 to 5 mph.

Sunday: Sunny, with a high near 63.

Sunday Night: Clear, with a low around 41.

Monday: Sunny, with a high near 67.

Monday Night: Clear, with a low around 41.

Tuesday: Sunny, with a high near 63.

Tuesday Night: Partly cloudy, with a low around 40.

Veterans Day: Sunny, with a high near 62.

Wednesday Night: Mostly clear, with a low around 41.

Thursday: Mostly sunny, with a high near 61.

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