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.
Cold weather is defined as that in which average daily temperature is less than 4Â°C (40Â°F) for 3. successive days except that if temperatures above 10Â°C (50Â°F) occur during at least 12 hours in any day, the concrete should no longer be. regarded as winter concrete and normal curing practice should apply.