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.
ECS recommends that you review the guidelines presented in ACI 360R before beginning a cold weather concrete pour. ACI 306R provides additional guidance on the types and duration of protective measures that may be necessary for cold weather concrete placement.hen concrete is placed at cold temperatures, hydration can be slowed-and even stopped-which impacts finishing and curing times. Another concern is the permanent damage that concrete may experience if it freezes at an early age.