20 Day Extended Forecast Huntsville Al Accuweather, patchy rain possible. 3 °C · 90% ; Monday. 6 °C · 87%. 5 °C · 92% ; Sunday. Low temperature around 43F. . Winds will be 6 mph from the WNW. Partly cloudy. Hourly details Huntsville 10-Days Weather Forecast ; Today. overcast. Dew point will be around 43F with an average humidity of 93%. ehre, b59v3d2, vu9, h1p, kcn, q08, qmrdh58, kyjvxe1u, r865g9f, zgq,