Marmara
İstanbul Frost Alert & Agricultural Frost Risk
Agricultural frost risk score for İstanbul, overnight minimum temperatures and 7-day frost outlook. Get early frost alerts to protect sensitive crops.
Last updated: Oct 12, 2026 · OpenWeatherMap / Open-Meteo veri hattı
İstanbul 7-Day Forecast
| Date | Min | Max | Rain | Humidity | Wind | Frost Risk |
|---|---|---|---|---|---|---|
| Sun 27 Sept | 16° | 21° | 6.5 mm | %81 | 17 km/h | 0 |
| Mon 28 Sept | 16° | 19° | 14.5 mm | %86 | 19 km/h | 0 |
| Tue 29 Sept | 15° | 19° | 21.1 mm | %90 | 14 km/h | 0 |
| Wed 30 Sept | 16° | 18° | 20.9 mm | %81 | 21 km/h | 0 |
| Thu 01 Oct | 17° | 20° | 2.5 mm | %65 | 21 km/h | 0 |
| Fri 02 Oct | 17° | 17° | 0.1 mm | %66 | 16 km/h | 0 |
Data is sourced from OpenWeatherMap and updates automatically during the day.
The current agricultural frost risk for İstanbul is 0/100, rated as low. Frost is one of the biggest threats to orchards, vineyards and sensitive vegetable seedlings, especially during spring and autumn transitions.
Frost risk depends not only on the overnight minimum temperature but also on humidity, wind speed and cloud cover. On clear, calm nights the risk of radiation frost increases. For İstanbul, these factors are combined into a single 0-100 risk score.
Expected temperatures over the next 7 days range between 15°C and 21°C. On high-risk nights, check greenhouse heating, cover sensitive outdoor plants and drain irrigation lines. Use the interactive panel below for hourly frost forecasts and spraying suitability.
Farmers in İstanbul and the Marmara region can receive free Telegram and push alerts before critical frost nights, helping minimise crop loss with timely action.
Get personalised alerts for İstanbul
Choose your location and switch to the interactive panel for hourly forecasts, spraying suitability and frost notifications.