Sivakasi, Tamil Nadu, India Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days. Be prepared with the most accurate 10-day forecast for Sivakasi, Tamil Nadu 626123 with highs, lows, chance of precipitation from The Weather Channel and Weather.com Sivakasi Weather Forecast. Providing a local hourly Sivakasi weather forecast of rain, sun, wind, humidity and temperature. The Long-range 12 day forecast also includes detail for Sivakasi weather today. Live weather reports from Sivakasi weather stations and weather warnings that include risk of thunder, high UV index and forecast gales. Hourly weather forecast for Sivakasi, Tamil Nadu. We provide information on: wind speed, wind direction, atmospheric pressure, temperature, humidity and visibility.