Weather in Johnston, Iowa, United States

7-Day Detailed Weather Forecast for Johnston

This Afternoon

Temperature: 46°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: Partly sunny. High near 46, with temperatures falling to around 41 in the afternoon. South southwest wind around 6 mph.

Tonight

Temperature: 25°F

Wind Speed: 3 to 7 mph

Wind Direction: WNW

Forecast: Mostly cloudy. Low around 25, with temperatures rising to around 27 overnight. West northwest wind 3 to 7 mph.

Wednesday

Temperature: 44°F

Wind Speed: 2 to 12 mph

Wind Direction: SW

Forecast: Patchy fog between 8am and 10am. Partly sunny. High near 44, with temperatures falling to around 41 in the afternoon. Southwest wind 2 to 12 mph, with gusts as high as 20 mph.

Wednesday Night

Temperature: 36°F

Wind Speed: 12 to 17 mph

Wind Direction: SSW

Forecast: Rain after midnight. Cloudy. Low around 36, with temperatures rising to around 39 overnight. South southwest wind 12 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

Temperature: 39°F

Wind Speed: 15 to 28 mph

Wind Direction: WNW

Forecast: A slight chance of rain before 9am, then a chance of rain and snow showers. Partly sunny, with a high near 39. West northwest wind 15 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.

Thursday Night

Temperature: 12°F

Wind Speed: 6 to 23 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 12.

Friday

Temperature: 35°F

Wind Speed: 5 to 13 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 35.

Friday Night

Temperature: 30°F

Wind Speed: 7 to 12 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 30.

Saturday

Temperature: 42°F

Wind Speed: 7 to 10 mph

Wind Direction: WNW

Forecast: Partly sunny, with a high near 42.

Saturday Night

Temperature: 20°F

Wind Speed: 3 to 7 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 20.

Sunday

Temperature: 31°F

Wind Speed: 3 to 7 mph

Wind Direction: NE

Forecast: Partly sunny, with a high near 31.

Sunday Night

Temperature: 24°F

Wind Speed: 6 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a low around 24.

Monday

Temperature: 40°F

Wind Speed: 5 to 8 mph

Wind Direction: SSE

Forecast: Partly sunny, with a high near 40.

Monday Night

Temperature: 31°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 31.