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Johnson County, IA Weather Forecast
Johnson County, IA Weather Forecast Date: 126 PM CST Sat Nov 14 2026
The area/counties/county of: Johnson, including the city of Iowa City.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the mid 40s. Light and variable winds.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 20s. Light and variable winds.
Sunday... Sunny. Highs in the upper 40s. Light and variable winds, becoming south around 5 mph in the afternoon.
Sunday Night... Mostly clear. Lows in the upper 20s. Light and variable winds, becoming south around 5 mph after midnight.
Monday... Sunny. Highs in the lower 50s. South winds 5 to 10 mph.
Monday Night... Mostly clear. Lows in the mid 30s. Highs in the mid 50s.
Tuesday... Mostly clear. Lows in the mid 30s. Highs in the mid 50s.
Tuesday Night... Mostly clear. Lows in the upper 30s.
Wednesday... Mostly sunny. Highs in the upper 50s.
Wednesday Night... Mostly cloudy. Lows in the upper 40s. Highs in the lower 60s.
Thursday... Mostly cloudy. Lows in the upper 40s. Highs in the lower 60s.
Thursday Night... Partly cloudy. Lows in the mid 40s.
POP = Probability of Precipitation
Johnson County Radar Loop
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