Weather in Johnston, Iowa, United States

7-Day Detailed Weather Forecast for Johnston

This Afternoon

Temperature: 67°F

Wind Speed: 21 mph

Wind Direction: SSE

Forecast: Partly sunny. High near 67, with temperatures falling to around 65 in the afternoon. South southeast wind around 21 mph, with gusts as high as 35 mph.

Tonight

Temperature: 44°F

Wind Speed: 14 to 17 mph

Wind Direction: SSW

Forecast: A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy. Low around 44, with temperatures rising to around 48 overnight. South southwest wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Temperature: 64°F

Wind Speed: 10 to 18 mph

Wind Direction: WSW

Forecast: Sunny. High near 64, with temperatures falling to around 62 in the afternoon. West southwest wind 10 to 18 mph, with gusts as high as 33 mph.

Wednesday Night

Temperature: 36°F

Wind Speed: 7 mph

Wind Direction: NNW

Forecast: Partly cloudy, with a low around 36. North northwest wind around 7 mph.

Thursday

Temperature: 54°F

Wind Speed: 8 to 16 mph

Wind Direction: NNE

Forecast: A chance of rain. Partly sunny, with a high near 54. North northeast wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night

Temperature: 24°F

Wind Speed: 16 mph

Wind Direction: NW

Forecast: A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Friday

Temperature: 36°F

Wind Speed: 12 to 17 mph

Wind Direction: WNW

Forecast: A slight chance of snow before noon. Mostly sunny, with a high near 36. Chance of precipitation is 20%.

Friday Night

Temperature: 20°F

Wind Speed: 6 to 9 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 20.

Saturday

Temperature: 38°F

Wind Speed: 7 to 12 mph

Wind Direction: NW

Forecast: A slight chance of snow before noon, then a slight chance of rain and snow. Mostly sunny, with a high near 38.

Saturday Night

Temperature: 16°F

Wind Speed: 9 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 16.

Sunday

Temperature: 32°F

Wind Speed: 9 to 13 mph

Wind Direction: NW

Forecast: Sunny, with a high near 32.

Sunday Night

Temperature: 12°F

Wind Speed: 5 to 9 mph

Wind Direction: NNW

Forecast: Partly cloudy, with a low around 12.

Monday

Temperature: 36°F

Wind Speed: 5 to 8 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 36.

Monday Night

Temperature: 22°F

Wind Speed: 9 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 22.