Weather forecast for 10 daysJohnston, SC
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNE 34°
- Humidity: 47%
- UV index: 6
- Sunrise: 7:34 am EDT
- Sunset: 6:49 pm EDT
- details ▼
On Sunday, in Johnston, sunny and dry conditions are anticipated.
A temperature range of a comfortable 64.4°F to an icy 41°F is expected.
The expected high is lower and consistent with November's normal of 61.9°F rather than October's.
Sunrise will be at 7:34 am and sunset at 6:49 pm; the daylight will last for 11h and 15min.
A temperature range of a comfortable 64.4°F to an icy 41°F is expected.
The expected high is lower and consistent with November's normal of 61.9°F rather than October's.
Sunrise will be at 7:34 am and sunset at 6:49 pm; the daylight will last for 11h and 15min.
10-day overview
Daily temperatures
Warmest day: Tuesday 77°C.
Coldest day: today 64°C.
Coldest day: today 64°C.
Chance of precipitation
Highest chance: Sunday 25.10. 8%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNE 34°
- Humidity: 47%
- UV index: 6
- Sunrise: 7:34 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNNE 13°
- Humidity: 42%
- UV index: 6
- Sunrise: 7:35 am EDT
- Sunset: 6:48 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphN 4°
- Humidity: 43%
- UV index: 6
- Sunrise: 7:36 am EDT
- Sunset: 6:47 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphN 1°
- Humidity: 47%
- UV index: 6
- Sunrise: 7:37 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphN 2°
- Humidity: 50%
- UV index: 6
- Sunrise: 7:38 am EDT
- Sunset: 6:45 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphNE 38°
- Humidity: 49%
- UV index: 6
- Sunrise: 7:38 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 68°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphNE 36°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:39 am EDT
- Sunset: 6:43 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 70°F
- 45°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphNNE 22°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:40 am EDT
- Sunset: 6:41 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 46°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphN 11°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:41 am EDT
- Sunset: 6:40 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphNNE 13°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:42 am EDT
- Sunset: 6:39 pm EDT
- details ▼
It is expected that primarily sun-filled and occasionally cloud-filled weather is forecasted.
Rainfall is not anticipated in Johnston in the upcoming days.
Temperature variation will be noticeable in the upcoming period. Forecast highs will fluctuate between 64.4°F and 77°F, while the low temperature range extends from 41°F to 50°F.
Tuesday will be the warmest day, with a maximum temperature of 77°F; today is the coldest day, with a maximum temperature of 64.4°F.
Rainfall is not anticipated in Johnston in the upcoming days.
Temperature variation will be noticeable in the upcoming period. Forecast highs will fluctuate between 64.4°F and 77°F, while the low temperature range extends from 41°F to 50°F.
Tuesday will be the warmest day, with a maximum temperature of 77°F; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 18, 2026 @ 09:33:04 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, in Johnston, sunshine and minimal clouds are in the outlook.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 41°F.
The maximum temperature today will be uncommonly lower than the average highest temperature of 73.9°F in October. Today, the lowest temperature will be also noticeably lower than the average low of 55.2°F.
The maximum temperature today will be uncommonly lower than the average highest temperature of 73.9°F in October. Today, the lowest temperature 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).
In Johnston, today, there will be 11h and 15min of daylight.
