Weather forecast for tomorrowJohnston, SC
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNNE 32°
- Humidity: 42%
- UV index: 6
- Sunrise: 7:34 am EDT
- Sunset: 6:49 pm EDT
- details ▼
On Sunday, October 18, the forecast calls for abundant sunshine.
Temperatures are anticipated to peak at a comfortable 64.4°F and drop to a minimum of a wintry 41°F.
Tomorrow, temperatures will feel colder as the forecast mirrors November's average high rather than October's.
Sunrise will be at 7:34 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 15min.
Temperatures are anticipated to peak at a comfortable 64.4°F and drop to a minimum of a wintry 41°F.
Tomorrow, temperatures will feel colder as the forecast mirrors November's average high rather than October's.
Sunrise will be at 7:34 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 15min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 45°C.
Coldest hour: 6 am 45°C.
Chance of precipitation
Highest chance: 12 am 2%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphNNE 30°
- Humidity: 62%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphNNE 27°
- Humidity: 62%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphNNE 30°
- Humidity: 63%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNNE 31°
- Humidity: 64%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:34 am
- 8 am
- 45°F
- Feels like:39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphNNE 31°
- Humidity: 63%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 36°
- Humidity: 50%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 55°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 34°
- Humidity: 37%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNE 33°
- Humidity: 31%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNE 31°
- Humidity: 30%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphNE 36°
- Humidity: 34%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:49 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphNE 37°
- Humidity: 45%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphNE 40°
- Humidity: 52%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of bright and cloud-filled weather is predicted.
The temperature will be between the lowest temperature of 44.6°F and the highest temperature of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the high temperature is expected to be more alike with November than to October's average of 73.9°F. Forecast models suggest a low also more consistent with November's typical minimum of 45.3°F than October's usual 55.2°F.
The temperature will be between the lowest temperature of 44.6°F and the highest temperature of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the high temperature is expected to be more alike with November than to October's average of 73.9°F. Forecast models suggest a low also more consistent with November's typical minimum of 45.3°F than October's usual 55.2°F.
Updated: Oct 17, 2026 @ 15:34:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, conditions will remain bright with clear skies.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 41°F.
The highest temperature will be notably lower than the average maximum of 73.9°F in October. The lowest temperature tomorrow will be also noticeably lower than the average low of 55.2°F.
The highest temperature will be notably lower than the average maximum of 73.9°F in October. The lowest temperature tomorrow will be also noticeably lower than the average low of 55.2°F.
On Sunday, in Johnston, sunrise will be at 7:34 am and sunset at 6:49 pm (EDT).
Tomorrow, the daylight will last for 11h and 15min.
