Weather forecast for today
Johnston, SC

Weather forecast for today

Friday, May 2.

PM Thunderstorms
6:35 am

8:12 pm
EDT
PM Thunderstorms
86°F / 64°F
  • Wind: 9mph SSW
  • Humidity: 66%
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • UV index: 9
Today, on Friday, May 2, thunderstorms are forecasted to develop with occasional lightning.
Minimal precipitation is anticipated. The temperature is expected to oscillate between a maximum of a hot 86°F and a minimum of a breezy 64.4°F.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a humid 93.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The anticipated top temperature is expected to be relatively higher than the usual May maximum of 81.1°F.
Sunrise will be at 6:35 am and sunset at 8:12 pm; the daylight will last for 13h and 38min.

Current condition

Clear
5:45 am EDT
Clear
  • 63°F
  • Feels like: 63°F
  • Wind: 6mph S
  • Humidity: 90%
  • Dewpoint: 61°F
  • Pressure: 30.03"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 0
In Johnston, at the moment, a bright and clear sky dominates the horizon.
The temperature is an enjoyable 62.6°F. The current temperature is near the lowest predicted 64.4°F for today.

Weather radar - Johnston, SC

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

Frequently asked questions

What is the current temperature?
Currently (5:45 am EDT) it is 62.6°F in Johnston.
What is the weather forecast for Johnston for today?
On Friday, stormy weather with frequent thunder and rain bursts is expected.
Will it rain today?
Today, there is a low probability of minimal rainfall in Johnston.
What will be the maximum temperature today in Johnston?
Today, the maximum temperature will be 86°F, while the minimum temperature will be 64.4°F. The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at 93.2°F.
The highest temperature will be slightly warmer than the average maximum of 81.1°F in May. The lowest temperature will be in line with the average low of 62.2°F.
What time are sunrise and sunset today in Johnston?
On Friday, in Johnston, sunrise will be at 6:35 am and sunset at 8:12 pm (EDT).
How many hours of daylight will Johnston have today?
Today, the daylight will last for 13h and 38min.

Hourly weather forecast

6 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Wind: 6mph SSW
  • Pressure: 30.03"Hg
  • Humidity: 90%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 6:35 am
8 am
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Wind: 6mph SSW
  • Pressure: 30.03"Hg
  • Humidity: 87%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Wind: 8mph SW
  • Pressure: 30.03"Hg
  • Humidity: 70%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SW
  • Pressure: 30.03"Hg
  • Humidity: 54%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 84°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SW
  • Pressure: 30"Hg
  • Humidity: 48%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 82°F
  • Feels like:
    84°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph SSW
  • Pressure: 29.97"Hg
  • Humidity: 50%
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 81°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph SSW
  • Pressure: 29.94"Hg
  • Humidity: 53%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 75°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph SSE
  • Pressure: 29.91"Hg
  • Humidity: 68%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:12 pm
10 pm
  • 72°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph SSE
  • Pressure: 29.94"Hg
  • Humidity: 73%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Today, in Johnston, a combination of cloud-filled, bright and turbulent weather is anticipated.
With a 40% probability, minimal rainfall is anticipated around 4 pm.
The temperature will be between the highest temperature of 84.2°F and the lowest temperature of 64.4°F. The hottest part of the day will be at 2 pm and 3 pm.
The temperature is expected to be a few degrees higher than the average peak in May, which is 81.1°F. The lowest temperature is also alike with May's typical minimum of 62.2°F.
Updated: May 2, 2025 @ 09:45:18 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Johnston, South Carolina, USA

  • en: Johnston, South Carolina, USA
  • es: Johnston, Carolina del Sur, EE.UU.
  • hr: Džonston, Južna Karolina, SAD
  • sr: Džonston, Južna Karolina, SAD
  • zh: 约翰斯顿, 南卡罗来纳, 美国
  • Latitude: 33.832080°
  • Longitude: -81.800942°
  • Elevation: 666 ft
  • Current time: 5:45am EDT
  • Sunrise: 6:35 am EDT
  • Sunset: 8:12 pm EDT
  • Timezone: America/New_York
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