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.
How Long does concrete take to set at 40Â° F?â Almost 11 Hours. How Long does concrete take to set at 30Â° F?â Almost 15 Hours. How Long does concrete take to set at 20Â° F?â It doesnâtâ¦ The concrete is frozen! Be sure to give Harmon Concrete a call for all your concrete needs.