Weather in Johnston, Iowa, United States

7-Day Detailed Weather Forecast for Johnston

Today

Temperature: 71°F

Wind Speed: 6 to 14 mph

Wind Direction: SSE

Forecast: Mostly sunny, with a high near 71. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.

Tonight

Temperature: 47°F

Wind Speed: 5 to 12 mph

Wind Direction: S

Forecast: Mostly clear. Low around 47, with temperatures rising to around 49 overnight. South wind 5 to 12 mph.

Monday

Temperature: 85°F

Wind Speed: 3 to 15 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 85. South wind 3 to 15 mph, with gusts as high as 22 mph.

Monday Night

Temperature: 55°F

Wind Speed: 9 to 16 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy. Low around 55, with temperatures rising to around 64 overnight. South wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tuesday

Temperature: 68°F

Wind Speed: 14 to 18 mph

Wind Direction: WNW

Forecast: A chance of rain showers. Partly sunny, with a high near 68. West northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Night

Temperature: 35°F

Wind Speed: 10 to 16 mph

Wind Direction: N

Forecast: A chance of rain showers before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Temperature: 48°F

Wind Speed: 12 mph

Wind Direction: NE

Forecast: A chance of rain showers after 7am. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.

Wednesday Night

Temperature: 33°F

Wind Speed: 12 mph

Wind Direction: ENE

Forecast: A chance of rain showers before 1am, then rain and snow showers likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

Thursday

Temperature: 44°F

Wind Speed: 14 mph

Wind Direction: ENE

Forecast: Rain and snow showers likely before 7am, then rain and snow showers likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

Thursday Night

Temperature: 35°F

Wind Speed: 8 to 13 mph

Wind Direction: E

Forecast: Rain showers likely before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

Friday

Temperature: 60°F

Wind Speed: 9 to 15 mph

Wind Direction: ESE

Forecast: A chance of showers and thunderstorms after 7am. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.

Friday Night

Temperature: 42°F

Wind Speed: 14 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

Saturday

Temperature: 54°F

Wind Speed: 14 to 20 mph

Wind Direction: NW

Forecast: Rain showers likely. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.

Saturday Night

Temperature: 33°F

Wind Speed: 13 to 17 mph

Wind Direction: NW

Forecast: A chance of rain showers before 1am. Mostly cloudy, with a low around 33.