Weather for Lihue, HI. Overcast 69.6Â° Feels like 69.6Â° High: 79Â° Low: 72Â° Current conditions as of 04/21/17 5:40 AM HST. Humidity: 91% Visibility: 10.0 mi Dewpoint: 67Â° Barometer: 30.06 in Wind: SW Sunrise: 6:12 AM Sunset: 06:59 PM.
The American Concrete Institute recommends a maintained temperature of 70 degrees F for three days or 50 degrees F for five days to gain sufficient strength for a cold pour to perform up to specification.
1 Remove the forms after the concrete thoroughly dries. 2  This will take at least 24 hours. 3  Keep the concrete wet for the next few days to avoid cracking. 4  Soak it with a hose at least twice daily, three times if it is very hot outside.5  Cover the pad if it looks like rain. Let the concrete dry. 2  Remove the forms after the concrete thoroughly dries. 3  This will take at least 24 hours. 4  Keep the concrete wet for the next few days to avoid cracking. 5  Soak it with a hose at least twice daily, three times if it is very hot outside. 6  Cover the pad if it looks like rain.