Key Facts
• August 15, 2025, 2:30 PM: Japan Meteorological Agency released a 2-week forecast.
• Northern, Eastern, and Western Japan: High temperatures expected, with many significantly hot days.
• Okinawa and Amami: Temperatures will be average or above, with frequent summer days.
• Heatstroke risk remains high nationwide; health management is strongly advised.
• Crop management is critical due to prolonged high temperatures.
• Forecast includes 5-day average temperatures for August 23–27.
• Probability of significantly high temperatures exceeds 30% in the second week.
• Graphs show temperature trends and prediction ranges with 80% accuracy.
• Recent 1-week data and 2-week forecasts are included for reference.
Summary
The Japan Meteorological Agency predicts high temperatures across Northern, Eastern, and Western Japan over the next two weeks, with many days expected to be significantly hot. Okinawa and Amami will experience average to above-average temperatures, with frequent summer days. The risk of heatstroke remains high nationwide, necessitating careful health management. Farmers are advised to monitor crop conditions closely due to the prolonged heat. The forecast includes 5-day average temperatures for August 23–27, with a 30% or higher probability of significantly high temperatures in the second week. Graphs provide temperature trends and prediction ranges with 80% accuracy.
