Weather in Johnson County, United States
Weather Advisories
in the data behind our forecast?

Today's weather summary
The weather in Johnson County on Monday, July 27th, is going to be clear throughout the day, together with many clouds during the evening.
There's seems to be also high probability of some clouds during the evening around 8 pm.
Weather details for Johnson County, on Monday, July 27th:
The highest temperature during the day will be 39°C around 4 pm. The day will have comfortable humidity, with average humidity of 57%, ranging from 31% to a maximum value of 86% at about midnight. The wind will be strong, and will get up to 35 km/h at 10 pm, blowing from the north. The cloud coverage will range from 0% around midnight to as high as 100% around 10 pm with an average of 17%.
The precipitation probability will change throughout the day between 0% and 5%. The highest chance for precipitation will be around 10 pm and the lowest probability around midnight. The dew point will range from 18°C up to a maximum value of 25°C around midnight.
The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be low with average pressure of 1008 hPa. Sunrise will be at 6:12 am, and sunset at 8:31 pm, making it a total of 14 hours and 19 minutes of daylight.
Air quality forecast for Johnson County, on Monday, July 27th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 52 and 63.
Pollen forecast for Johnson County, on Monday, July 27th:
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 Tuesday, July 28th, will be cloudy for most of the day, together with clear skies before dawn.
There is also a chance for some clouds before dawn at about 12 am.
Weather details for Johnson County, on Tuesday, July 28th:
The highest temperature of the day will be 33°C around 2 pm. The day will be humid, with average humidity of 65%, ranging from 49% to a maximum value of 77% at about 10 pm. The wind will be light, and will get up to 14 km/h at noon, blowing from the west. The cloud coverage will range from 0% around 2 am to as high as 100% around 11 pm with an average of 90%.
There is no probability for any precipitation throughout the day. The dew point will range from 20°C up to a maximum value of 24°C around 8 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 1009 hPa. Sunrise will be at 6:12 am, and sunset at 8:30 pm, making it a total of 14 hours and 18 minutes of daylight.
Air quality forecast for Johnson County, on Tuesday, July 28th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 43 and 59.
Pollen forecast for Johnson County, on Tuesday, July 28th:
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.
Nearby locations
FAQ
