Rain expected locally from midday on, turning to thunderstorms at high elevations, especially in northern Greece. N-NW winds, 3-5 on the Beaufort scale, rising to 6 in the Aegean. Temperatures ranging from 18C to 33C. In Athens, generally fair, briefly overcast in the afternoon. Northerly winds 3-4 on the Beaufort scale, possibly 6 locally. Temperatures from 20C to 32C. In Thessaloniki, generally fair with occasional rain or thunderstorms locally. Variable winds, 3-4 on the Beaufort scale. Temperatures from 20C to 31C.