Nearby locations
Johnson County, Iowa, United States
Coralville, Iowa, United States
Vernon, Iowa, United States
Nearby popular places
Site of Mormon Handcart Brigade Camp Historical Marker, United States
University of Iowa Hospitals and Clinic Number 2 Heliport, United States
Samuel Jordan Kirkwood State Historical Marker, United States

Weather in Johnson County, United States

17°
Rain
Feels like 17°
·
High27°Low17°
·
100%
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Air quality

Full Details
0
47
500
Air quality:Good

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Today's weather summary

The weather in Johnson County on Friday, July 24th, will be cloudy for most of the day, with few clouds before dawn.

There's seems to be also high probability of some clouds before dawn around 3 am.

Weather information for Johnson County, on Friday, July 24th:

The highest temperature of the day will be 27°C at about 3 pm. The day will be humid, with average humidity of 69%, ranging from 49% to a maximum value of 86% at about 7 am. The wind will be breezy, and will get up to 17 km/h at 6 pm, blowing from the south. The cloud coverage will range from 5% around 4 pm to as high as 100% around 11 pm with an average of 66%.

The chances of precipitation throughout the day will change between 0% and 92%. The highest chance for precipitation will be around 9 am and the lowest probability around midnight. The dew point will range from 13°C up to a maximum value of 17°C around 9 pm.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1018 hPa. Sunrise will be at 5:52 am, and sunset at 8:32 pm, making it a total of 14 hours and 40 minutes of daylight.

Air quality forecast for Johnson County, on Friday, July 24th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 35 and 54.

Pollen forecast for Johnson County, on Friday, July 24th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in Johnson County on Saturday, July 25th, will be cloudy throughout the day, with clear skies in the afternoon.

There is also a chance for few clouds around noon around 1 pm.

Weather information for Johnson County, on Saturday, July 25th:

The highest temperature of the day will be 31°C at about 6 pm. The day will be extremely humid, with average humidity of 74%, ranging from 52% to a maximum value of 90% at about 8 am. The wind will be light, and will get up to 10 km/h at 1 am, blowing from the south. The cloud coverage will range from 1% around 5 pm to as high as 100% around 9 pm with an average of 68%.

There is no probability for any precipitation throughout the day. The dew point will range from 16°C up to a maximum value of 21°C around 9 pm.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 5:53 am, and sunset at 8:31 pm, making it a total of 14 hours and 38 minutes of daylight.

Air quality forecast for Johnson County, on Saturday, July 25th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 29 and 51.

Pollen forecast for Johnson County, on Saturday, July 25th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

FAQ

How warm does it get in Johnson County?
The average annual highest temperature in Johnson County is 30.8°C (87.4°F), and the July 18th is the hottest day on average.
How cold does it get in Johnson County?
The average annual lowest temperature in Johnson County is -12.9°C (8.8°F), and the January 13th is the coldest day on average.
Which month has the most rain in Johnson County?
The wettest months in Johnson County are June and May.
What months does it snow in Johnson County?
The most common time of year for snow is February, December, January and March.