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Johnson County (Iowa City)
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United States weather

10 day weather forecast for Johnson County

Friday, June 12th, 2026, at 02:26 AM
today
Flood Warning
Sunny
25° 13°
tomorrow
Patchy rain possible
26° 15°
Sunday
Sunny
21° 10°
Monday
Sunny
20° 11°
Tuesday
Patchy rain possible
24° 12°
Wednesday
Patchy rain possible
26° 16°
Thursday
Partly cloudy
23° 14°
 More Details See
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Johnson County Weather Pages

Johnson County weather forecast

The weather forecast for Johnson County over the next 5 days indicates comfortable conditions with temperatures ranging from 20 °F to 26 °F.

Light rain is expected on Saturday and Tuesday.

Wind speeds are expected to be strong, averaging around 21 km/h.

Weather today
Johnson County weather forecast

Johnson County 14 days weather forecast

This weeks weather in Johnson County. Click on a date for detailed forecasts
Fri. 12
25°
13°
Weather Alert
Sunny
0 mm
Sat. 13
26°
15°
Patchy rain possible
0.7 mm
Sun. 14
21°
10°
Sunny
0 mm
Mon. 15
20°
11°
Sunny
0 mm
Tue. 16
24°
12°
Patchy rain possible
0.5 mm
Wed. 17
26°
16°
Patchy rain possible
2.5 mm
Thu. 18
23°
14°
Partly cloudy
0.1 mm
Fri. 19
24°
11°
Sunny
0 mm
Sat. 20
20°
18°
Moderate rain
9.3 mm
Sun. 21
22°
16°
Patchy rain possible
0.1 mm
Mon. 22
22°
18°
Moderate rain
6.9 mm
Tue. 23
31°
21°
Moderate rain
7.8 mm
Wed. 24
30°
22°
Patchy rain possible
2.4 mm
Further Ahead
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Access Johnson County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Johnson County long range weather forecast

30 day weather forecast for Johnson County
May
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
27°
2
Sunny
32°
3
Moderate or heavy rain shower
28°
4
Mist
28°
5
Overcast
27°
6
Overcast
29°
7
Moderate or heavy rain shower
25°
8
Light rain shower
24°
9
Partly cloudy
28°
10
Partly cloudy
28°
11
Thundery outbreaks possible
34°
12
Weather Alert Sunny
25°
13
Patchy rain possible
26°
14
Sunny
21°
15
Sunny
20°
16
Patchy rain possible
24°
17
Patchy rain possible
26°
18
Partly cloudy
23°
19
Sunny
24°
20
Moderate rain
20°
21
Patchy rain possible
22°
22
Moderate rain
22°
23
Moderate rain
31°
24
Patchy rain possible
30°
25
Moderate rain at times
30°
26
Moderate or heavy rain shower
32°
27
Moderate or heavy rain shower
27°
28
Fog
32°
29
Thundery outbreaks possible
31°
30
Overcast
30°
Important Notice
Our Johnson County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Johnson County

The chart displays the expected rainfall values (in mm) over the next 14 days in Johnson County, highlighting variations in precipitation levels for specific dates. ☔

Johnson County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Johnson County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Iowa CityOlatheOverland Park
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Location coordinates Where is Johnson County?

Get accurate weather forecasts for Johnson County, located at latitude 41.661 and longitude -91.53. Stay updated with localized weather information tailored for Johnson County.

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