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.
(See the Pervious Admixtures sidebar below) A pervious concrete pour is also affected by external environmental factors. The ideal environment for a pervious placement is moist, cool and wet, Fisher says. A drizzly day is perfect to pour pervious concrete because you can double your time for pervious placement, Fisher says.