Provided is a support exhibiting excellent weather resistance, which is usable in an outdoor location for a long duration and is a support capable of sufficiently shielding UV radiation; and further provided are a weather-resistant article, a weather-resistant film, and an optical member which exhibit sufficient weather resistance even though receiving influences by heat, light or moisture. Disclosed is a weather-resistant article of the present invention possessing a support and provided thereon, a polymer layer containing a light stabilizer and a UV radiation reflective layer containing plural materials each having a different refractive index, the UV radiation reflective layer provided on the polymer layer.