Weather forecast for todayJohnston, SC

Weather forecast for today

Current condition 9:47 am EDT

  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Precipitation: 0"
  • Wind: 10mphN 350°
  • Humidity: 75%
  • Dewpoint: 46°F
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
In Johnston, currently, the skyline is shrouded in clouds, creating a gloomy atmosphere.
The temperature is a cool 53.6°F, the real-feel temperature is nearly identical at 51.8°F. The current temperature is relatively far from today's maximum-forecasted 66.2°F.

Saturday Oct 17, 2026

  • 66°F
  • 43°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 15mphN 9°
  • Humidity: 54%
  • UV index: 6
  • Sunrise: 7:33 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
On Saturday, October 17, patchy morning clouds will clear as the afternoon brings plenty of sunshine.
The temperature is expected to vary between a comfortable 66.2°F and a chilly 42.8°F.
The forecast high is lower and more aligned with what is typical in November than in October.
Sunrise was at 7:33 am and sunset will be at 6:51 pm; the daylight will last for 11h and 17min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 64°C.
Coldest hour: 12 am 52°C.

Chance of precipitation

Highest chance: 10 am 8%.

Hourly weather forecast

  • 10 am
  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 11mphN 357°
  • Humidity: 74%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 11 am
  • 57°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphN 1°
  • Humidity: 65%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphN 6°
  • Humidity: 59%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 1 pm
  • 63°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 15mphN 6°
  • Humidity: 52%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphN 11°
  • Humidity: 48%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 3 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphNNE 12°
  • Humidity: 48%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphNNE 14°
  • Humidity: 47%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 5 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphNNE 15°
  • Humidity: 47%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNNE 23°
  • Humidity: 49%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:51 pm
  • 7 pm
  • 59°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNNE 29°
  • Humidity: 55%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 57°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNE 34°
  • Humidity: 60%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphNNE 32°
  • Humidity: 63%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphNE 35°
  • Humidity: 64%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphNE 34°
  • Humidity: 64%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Johnston, primarily cloud-filled and occasionally bright weather is anticipated.
The temperature will vary between a maximum of 64.4°F and a minimum of 51.8°F. The warmest part of the day will be from 2 pm to 5 pm.
Today, the maximum will match more closely with November's typical value than October's 73.9°F. The lowest temperature is also more alike with November's average minimum of 45.3°F than the usual minimum of 55.2°F in October.
Updated: Oct 17, 2026 @ 13:47:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (9:47 am EDT) is 53.6°F.

On Saturday, early clouds will give way to sunshine in the afternoon.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 42.8°F.
The maximum temperature today will be relatively lower than the average highest temperature in October. The lowest temperature will be uncommonly lower than the average low of 55.2°F.

On Saturday, in Johnston, sunrise was at 7:33 am and sunset will be at 6:51 pm (EDT).

In Johnston, today, there will be 11h and 17min of daylight.