Up to 90 days of daily highs, lows, and precipitation chances. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Covington area. Dew point will be around 59F with an average humidity of 81%. Highs in the mid 60s to lower 70s. Hourly. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. Day Mostly sunny. for Covington, Washington Covington, WA - Weather forecast from Theweather.com. Partly sunny. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! Winds will be 4 mph from the NNW. Get the forecast for today, tonight & tomorrow's weather for Covington, WA. Day Details. Night Details. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Covington, WA, US with The Weather Network. Be prepared with the most accurate 10-day forecast for Kent, WA with highs, lows, chance of precipitation from The Weather Channel and Weather.com High temperature around 71F. Light wind becoming northwest around 10 mph in the afternoon. Lows in … Mostly cloudy with a slight chance of showers. Covington Weather Forecasts. Know what's coming with AccuWeather's extended daily forecasts for Covington, WA.