Synthesis 6 - 15 days Updated Wednesday 26 August 2026, 10:15 Wednesday 26 Weather: mostly sunny. Wind: light. Sea: calm. Temperature: will increase. Temperature Max UV Max UV Max UV Arezzo11 °C1 Lucca12 °C1 Pistoia11 °C1 Firenze12 °C1 Grosseto14 °C1 Massa15 °C1 Prato11 °C1 Pisa13 °C1 Siena12 °C1 Livorno15 °C1 Thursday 27 Weather: mostly sunny. Wind: light southerly wind. Sea: slight. Temperature: will increase. Temperature Min Max UV Min Max UV Min Max UV Arezzo-2 °C9 °C1 Lucca0 °C11 °C1 Pistoia-1 °C11 °C1 Firenze-2 °C11 °C1 Grosseto2 °C13 °C1 Massa3 °C11 °C1 Prato-2 °C11 °C1 Pisa1 °C13 °C1 Siena0 °C11 °C1 Livorno1 °C13 °C1 Friday 28 Weather: mostly sunny. Wind: light southerly wind. Sea: smooth. Temperature: will increase. Temperature Min Max UV Min Max UV Min Max UV Arezzo3 °C9 °C1 Lucca4 °C12 °C1 Pistoia3 °C11 °C1 Firenze3 °C11 °C1 Grosseto5 °C13 °C1 Massa5 °C13 °C1 Prato3 °C11 °C1 Pisa4 °C14 °C1 Siena5 °C11 °C1 Livorno9 °C14 °C1 Tendency