Weather in Johnston, Iowa, United States

7-Day Detailed Weather Forecast for Johnston

Today

Temperature: 40°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: Mostly sunny. High near 40, with temperatures falling to around 38 in the afternoon. South southwest wind around 7 mph.

Tonight

Temperature: 25°F

Wind Speed: 2 to 6 mph

Wind Direction: WNW

Forecast: Mostly cloudy. Low around 25, with temperatures rising to around 27 overnight. West northwest wind 2 to 6 mph.

Wednesday

Temperature: 42°F

Wind Speed: 2 to 12 mph

Wind Direction: WSW

Forecast: Partly sunny. High near 42, with temperatures falling to around 40 in the afternoon. West southwest wind 2 to 12 mph, with gusts as high as 22 mph.

Wednesday Night

Temperature: 37°F

Wind Speed: 15 mph

Wind Direction: SSW

Forecast: Rain likely after midnight. Cloudy, with a low around 37. South southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

Temperature: 39°F

Wind Speed: 16 to 25 mph

Wind Direction: WNW

Forecast: Partly sunny, with a high near 39. West northwest wind 16 to 25 mph, with gusts as high as 40 mph.

Thursday Night

Temperature: 8°F

Wind Speed: 3 to 20 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 8.

Friday

Temperature: 36°F

Wind Speed: 3 to 14 mph

Wind Direction: SSW

Forecast: Mostly sunny, with a high near 36.

Friday Night

Temperature: 30°F

Wind Speed: 12 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 30.

Saturday

Temperature: 40°F

Wind Speed: 7 to 10 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 40.

Saturday Night

Temperature: 18°F

Wind Speed: 6 mph

Wind Direction: NNW

Forecast: Partly cloudy, with a low around 18.

Sunday

Temperature: 32°F

Wind Speed: 7 mph

Wind Direction: ENE

Forecast: Partly sunny, with a high near 32.

Sunday Night

Temperature: 22°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a low around 22.

Monday

Temperature: 39°F

Wind Speed: 3 to 7 mph

Wind Direction: SE

Forecast: Partly sunny, with a high near 39.

Monday Night

Temperature: 29°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 29.