Aviation Weather Overview

GreekAirports.gr
2 days ago
2 min read

02 – 08 August 2026

Peak-Summer Operational Forecast for Greek Gateways

As August opens across the Mediterranean, intense mid-summer thermal activity continues to dominate weather patterns over the Balkan Peninsula and Aegean Sea. Flight Information Regions (FIRs) across mainland Greece and the island chains will experience steady high temperatures, persistent clear-sky VFR conditions, and sustained seasonal Meltemi winds across maritime corridors. For flight dispatchers, ground crews, and flight deck personnel, operational priorities for the week center on managing high density altitudes, ramp heat exposure during midday turnarounds, and predictable coastal crosswind profiles.

Athens International Airport "Eleftherios Venizelos" (LGAV)

The capital hub faces sustained peak-summer temperatures throughout the first week of August. Daytime maximums will hold between 35°C and 38°C, with peak thermal intensity occurring during afternoon local hours. Overnight cooling provides moderate relief, dipping to 24°C–26°C. Prevailing winds will maintain a steady north-northwesterly (N/NNW) vector at 10–18 knots, with moderate afternoon gusts.

Operational Impact: High density altitude values during peak afternoon hours (12:00–16:00 local) will necessitate close monitoring of payload and takeoff performance margins for heavy departures. Exceptional visibility (CAVOK) remains standard. Ramp managers should enforce heat safety protocols for ground crews during turnaround ops.

Rear view of a woman wearing a red floral dress and crossbody bag walking down an accessible wooden and glass ramp beside large ancient fluted columns, with a panoramic view of Athens and green hills in the background.

Thessaloniki International Airport "Makedonia" (LGTS)

Northern Greece continues to experience some of the highest thermal peaks on the mainland. Temperatures at LGTS will reach 35°C to 38°C during peak afternoon intervals, with overnight lows holding near 23°C–25°C. Winds will start light and variable in the morning before shifting to a gentle-to-moderate sea breeze out of the south-southwest (SSW) at 8–14 knots by late afternoon.

Operational Impact: Dispatchers must evaluate Maximum Takeoff Mass (MTOM) calculations for long-range departures due to elevated air temperatures and density altitude. While terminal skies remain clear, localized thermal convection over neighboring northern terrain may create mild heat haze over the runway environment during late afternoons.

A daytime wide-angle view of Aristotelous Square in Thessaloniki, showing pedestrians walking across the paved plaza flanked by monumental arched buildings, green trees, and outdoor café seating.

Heraklion International Airport "Nikos Kazantzakis" (LGIR)

Crete continues to benefit from strong Aegean maritime airflow, moderating surface air temperatures relative to the northern mainland. Highs at LGIR will hold in the 28°C to 31°C range, accompanied by overnight lows near 23°C–24°C. The active Meltemi regime will drive steady northerly/north-northwesterly (N/NW) winds at 15–25 knots, with afternoon gusts reaching up to 28 knots.

Operational Impact: Excellent VFR conditions prevail with unlimited visibility. Flight crews and dispatch should factor in persistent northerly crosswind and headwind components depending on active runway configurations. The strong coastal breeze prevents localized heat haze, providing consistent aircraft handling conditions.

A close-up view of an ancient marble relief depicting the winged Lion of Saint Mark—the official emblem of the Republic of Venice—embedded in the thick stone fortification walls of Koules Fortress at the old harbor of Heraklion, Crete.

Rhodes International Airport "Diagoras" (LGRP)

Rhodes maintains a highly stable, classic Southeast Aegean summer profile. Daily highs will hold firm between 31°C and 35°C, with warm overnight minimums around 24°C–26°C. Winds will remain steadily out of the northwest (NW) at 12–20 knots during peak daytime hours, tapering slightly after sunset.

Operational Impact: Pristine operational visibility and zero cloud cover are guaranteed FIR-wide. Steady maritime wind profiles keep crosswind components well within standard operational thresholds for all commercial airframe classes, ensuring smooth approach and departure corridors.