Thu, Apr 25th 2024
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The following chart reports hourly Johnson County, IA temperature today (Thu, Apr 25th 2024). The lowest temperature reading has been 44.06 degrees fahrenheit at 12:52 AM, while the highest temperature is 46.4 degrees fahrenheit at 1:10 AM.
The following chart shows hourly Johnson County, IA humidity today (Thu, Apr 25th 2024). The lowest humidity reading has been 45.7 percent at 12:00 AM, while the highest recorded humidity is 50.7 percent at 12:52 AM.
The following chart outlines hourly Johnson County, IA barometric pressure today (Thu, Apr 25th 2024). The lowest barometric pressure reading has been 30.25 inHg at 12:00 AM, while the highest recorded barometric pressure is 30.26 inHg at 12:10 AM.
The following chart displays hourly Johnson County, IA wind speed today (Thu, Apr 25th 2024). The lowest wind speed reading has been 3mph at 12:55 AM, while the highest observed wind speed is 4mph at 1:05 AM.
The following chart provides hourly Johnson County, IA wind gusts today (Thu, Apr 25th 2024). No recorded wind gusts so far.
The following chart reports hourly Johnson County, IA precipitation today (Thu, Apr 25th 2024). No recorded precipitation so far.
The following chart displays hourly Johnson County, IA dew points today (Thu, Apr 25th 2024). The lowest dew point reading has been 26.6 degrees fahrenheit at 12:55 AM, while the highest dew point is 26.96 degrees fahrenheit at 12:52 AM.
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This past weather information is provided AS IS and strictly for recreational, educational, and informational purposes only; we disclaim liability of any kind whatsoever, including, without limitation, liability for quality, performance, merchantability and fitness for a particular purpose arising out of the use, or inability to use the data. The information may be inaccurate or incomplete based on how well the corresponding weather station successfully or unsuccessfully reported or recorded it with the instruments which measured the weather at the time; including gaps between hours or even days. Specifically, LocalConditions.com and this data, as presented, may not and should not be used as a reference for any reason relating to legal proceedings, insurance claims, recovery, loss prevention, making predictions, or critical decisions. Lastly, the weather station may be miles away from the actual area of interest. This data may not be leeched or republished.
Note regarding "Approx. Precipitation / Rain Total"
The "Approx. Precipitation / Rain Total" is calculated in whole based on the last measurement from each hour reported - which is accumulative and reset at the beginning of each hour - ideally. However, some stations reset at the wrong time, such as a few minutes after the hour. We have tried to account for this issue. Most gauges report multiple times per hour. For example, a measurement of precipitation at 8:15am could be 0.04 in. of water - then when a measurement is taken at 8:30am might be 0.06 in. - and at 8:56am might be 0.08 in. So, the accumulative total for that hour would be 0.08 in. - not calculated together to equal 0.18 in. of precipitation. Finally, each hourly total for the day is summed to provide the "Approx. Precipitation / Rain Total" figure.
One other note: if the total is 0, but there was obviously rain - then the instrument is not properly distributing its data from the station. The issue could be temporary or permanent.
Currently
 |
48°F |
30.24in
Barometer 44%
Humidity Southeast 4.6mph Wind |
| Fair | ||