Weather in Johnston, Iowa, United States

7-Day Detailed Weather Forecast for Johnston

This Afternoon

Temperature: 45°F

Wind Speed: 14 mph

Wind Direction: NNW

Forecast: Sunny. High near 45, with temperatures falling to around 41 in the afternoon. North northwest wind around 14 mph, with gusts as high as 18 mph.

Tonight

Temperature: 18°F

Wind Speed: 3 to 12 mph

Wind Direction: NNE

Forecast: Mostly clear. Low around 18, with temperatures rising to around 20 overnight. North northeast wind 3 to 12 mph.

Saturday

Temperature: 38°F

Wind Speed: 3 to 13 mph

Wind Direction: SE

Forecast: Mostly sunny. High near 38, with temperatures falling to around 36 in the afternoon. Southeast wind 3 to 13 mph, with gusts as high as 18 mph.

Saturday Night

Temperature: 28°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 28. South southeast wind 5 to 10 mph.

Sunday

Temperature: 47°F

Wind Speed: 6 mph

Wind Direction: NNE

Forecast: Sunny, with a high near 47. North northeast wind around 6 mph.

Sunday Night

Temperature: 31°F

Wind Speed: 3 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 31.

Monday

Temperature: 62°F

Wind Speed: 3 to 7 mph

Wind Direction: SSW

Forecast: Mostly sunny, with a high near 62.

Monday Night

Temperature: 39°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: Mostly clear, with a low around 39.

Tuesday

Temperature: 53°F

Wind Speed: 6 to 12 mph

Wind Direction: NW

Forecast: A slight chance of rain after noon. Mostly sunny, with a high near 53.

Tuesday Night

Temperature: 28°F

Wind Speed: 7 to 10 mph

Wind Direction: N

Forecast: A slight chance of rain. Mostly cloudy, with a low around 28.

Wednesday

Temperature: 43°F

Wind Speed: 7 to 10 mph

Wind Direction: N

Forecast: A slight chance of rain and snow. Partly sunny, with a high near 43.

Wednesday Night

Temperature: 26°F

Wind Speed: 6 mph

Wind Direction: NNE

Forecast: A slight chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 26.

Thursday

Temperature: 43°F

Wind Speed: 5 to 8 mph

Wind Direction: N

Forecast: A slight chance of rain and snow. Mostly cloudy, with a high near 43.

Thursday Night

Temperature: 27°F

Wind Speed: 6 mph

Wind Direction: SE

Forecast: A slight chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 27.