Weather forecast for tomorrow
Johnston, SC

On Thursday, in Johnston, mostly sunny and dry conditions will continue.
The highest temperature will be a humid 91.4°F, while the lowest predicted temperature is a pleasant 68°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at an extremely hot 105.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
June's typical peak of 88.7°F is anticipated to be mirrored in the day’s high.
Sunrise will be at 6:15 am and sunset at 8:42 pm; tomorrow's daylight will last for 14h and 27min.

Tomorrow, a combination of overcast and dry and sunny weather is forecasted.
The temperature will vary between the lowest temperature of 71.6°F and the highest temperature of 89.6°F. The hottest part of the day will be from 2 pm to 4 pm.
The highest temperature will be similar to June's average maximum of 88.7°F. The minimum temperature will be also consistent with June's average low of 69.4°F.

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