Weather forecast for today
Johnston, IA

Weather forecast for today

Sunday, Jun 15.

Cloudy
5:38 am

8:52 pm
CDT
Cloudy
82°F / 68°F
  • Wind: 7mph SE
  • Humidity: 72%
  • Precip. probability: 22%
  • Precipitation: 0.16"
  • UV index: 6
Today, on Sunday, June 15, expect persistent cloudiness.
With a low probability, light precipitation is expected. Temperature fluctuations between a warm 82.4°F and a delightful 68°F are anticipated.
The maximum heat index, which combines air temperature and relative humidity, is calculated to be a hot 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today's highest temperature is anticipated to match the regular high for June at 79.3°F.
Sunrise was at 5:38 am and sunset will be at 8:52 pm; the daylight will last for 15h and 14min.

Current condition

Partly Cloudy
10:20 am CDT
Partly Cloudy
  • 75°F
  • Feels like: 75°F
  • Wind: 4mph SE
  • Humidity: 81%
  • Dewpoint: 70°F
  • Pressure: 30.04"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 5
Currently, in Johnston, the sky features a blend of clouds and blue patches.
The temperature is a moderately hot 75.2°F. The current temperature is a few degrees off the today's maximum of 82.4°F.

Weather radar - Johnston, IA

Doppler radar displays precipitation for the past 2h and forecasts the next 30min

Frequently asked questions

What is the current temperature?
The temperature at 10:20 am CDT is 75.2°F.
What is the weather forecast for Johnston for today?
On Sunday, expect mostly gray skies with limited brightness.
Will it rain today?
Light precipitation of 0.16" is predicted. The chance of rainfall is 22%.
What will be the maximum temperature today?
Today, the maximum temperature will be 82.4°F, while the minimum temperature will be 68°F. The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 87.8°F.
Today, the highest temperature will be in line with the average maximum temperature in June. Today, the lowest temperature will be relatively higher than the average low temperature.
When is the sunrise / sunset today in Johnston?
On Sunday, in Johnston, sunrise was at 5:38 am and sunset will be at 8:52 pm (CDT).
How long is the day today?
Today, the daylight will last for 15h and 14min.

Hourly weather forecast

11 am
  • 77°F
  • Feels like:
    77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SE
  • Pressure: 30.03"Hg
  • Humidity: 78%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 79°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSE
  • Pressure: 30.03"Hg
  • Humidity: 75%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 81°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 5mph S
  • Pressure: 30"Hg
  • Humidity: 72%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 81°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Wind: 7mph SSE
  • Pressure: 30"Hg
  • Humidity: 69%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
3 pm
  • 81°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Wind: 6mph SSE
  • Pressure: 30"Hg
  • Humidity: 69%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 82°F
  • Feels like:
    88°F
Cloudy
Cloudy
  • Wind: 5mph SE
  • Pressure: 29.97"Hg
  • Humidity: 66%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 82°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Wind: 6mph SE
  • Pressure: 29.97"Hg
  • Humidity: 67%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 82°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph ESE
  • Pressure: 29.94"Hg
  • Humidity: 66%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
7 pm
  • 81°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph ESE
  • Pressure: 29.94"Hg
  • Humidity: 67%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 81°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph ESE
  • Pressure: 29.94"Hg
  • Humidity: 72%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:52 pm
9 pm
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph ESE
  • Pressure: 29.94"Hg
  • Humidity: 79%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 75°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph ESE
  • Pressure: 29.97"Hg
  • Humidity: 83%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
11 pm
  • 73°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SE
  • Pressure: 29.97"Hg
  • Humidity: 83%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Today, cloudy conditions are likely to prevail.
The temperature will vary between a minimum of 73.4°F and a maximum of 82.4°F. The warmest part of the day will be from 4 pm to 6 pm.
The highest temperature will be close to June's average maximum of 79.3°F. Forecast models suggest a low more resembling July's typical minimum of 65.1°F than June's usual 62.4°F.
Updated: Jun 15, 2025 @ 15:20:49 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Johnston, Iowa, USA

  • en: Johnston, Iowa, USA
  • es: Johnston, Iowa, EE.UU.
  • hr: Džonston, Ajova, SAD
  • sr: Džonston, Ajova, SAD
  • zh: 约翰斯顿, 爱荷华州, 美国
  • Latitude: 41.670983°
  • Longitude: -93.713049°
  • Elevation: 830 ft
  • Current time: 10:20am CDT
  • Sunrise: 5:38 am CDT
  • Sunset: 8:52 pm CDT
  • Timezone: America/Chicago
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