Weather in Johnston, Iowa, United States

7-Day Detailed Weather Forecast for Johnston

Tonight

Temperature: 59°F

Wind Speed: 2 to 7 mph

Wind Direction: W

Forecast: Partly cloudy. Low around 59, with temperatures rising to around 61 overnight. West wind 2 to 7 mph.

Sunday

Temperature: 85°F

Wind Speed: 2 to 7 mph

Wind Direction: SSW

Forecast: Sunny, with a high near 85. South southwest wind 2 to 7 mph.

Sunday Night

Temperature: 65°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: Mostly clear. Low around 65, with temperatures rising to around 68 overnight. South southwest wind around 6 mph.

Monday

Temperature: 89°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: Sunny. High near 89, with temperatures falling to around 87 in the afternoon. South wind 2 to 6 mph.

Monday Night

Temperature: 69°F

Wind Speed: 6 mph

Wind Direction: SSE

Forecast: Mostly clear, with a low around 69. South southeast wind around 6 mph.

Tuesday

Temperature: 88°F

Wind Speed: 5 to 9 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Tuesday Night

Temperature: 70°F

Wind Speed: 8 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Wednesday

Temperature: 85°F

Wind Speed: 6 to 10 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Wednesday Night

Temperature: 66°F

Wind Speed: 6 to 9 mph

Wind Direction: NNW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Thursday

Temperature: 80°F

Wind Speed: 7 mph

Wind Direction: NNW

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.

Thursday Night

Temperature: 63°F

Wind Speed: 7 mph

Wind Direction: N

Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 63.

Friday

Temperature: 81°F

Wind Speed: 7 mph

Wind Direction: NE

Forecast: Partly sunny, with a high near 81.

Friday Night

Temperature: 64°F

Wind Speed: 7 mph

Wind Direction: ESE

Forecast: A slight chance of rain showers after 1am. Partly cloudy, with a low around 64.

Saturday

Temperature: 83°F

Wind Speed: 8 mph

Wind Direction: SSE

Forecast: A slight chance of rain showers before 1pm. Partly sunny, with a high near 83.