Home → Weather news → Tokyo Weather Update: High Precipitation Forecast for September 15, 2026
Tokyo Weather Update: High Precipitation Forecast for September 15, 2026
An automatic weather alert has been issued for Tokyo as forecast precipitation levels exceed established thresholds for September 15, 2026.
According to forecast data from wweather1.com, Tokyo is expected to experience heavy rainfall. The automatic alert was triggered as the projected metrics crossed local safety thresholds.
The forecast indicates a precipitation measurement of 34.3 millimeters. This figure surpasses the established threshold of 30 millimeters for the area.
The forecasted conditions begin on September 15, 2026. Residents and visitors in Tokyo are advised to take note of the incoming weather conditions.
Why it is dangerous and what to do
⚠️ Safety
• Monitor official weather updates and forecasts.
• Exercise caution if traveling through the affected area.
• Ensure outdoor items are secure against rain.
📊 The numbers, from wweather1 data
Tokyo: now +24°, Rain.
The record for this date is +34° (2024).
Three-day forecast: 14 September: +31°/+23° · 15 September: +26°/+23° · 16 September: +22°/+19°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
Tokyo
now
🌧️
+24°
Yokohama
now
🌧️
+24°
Osaka
now
🌦️
+23°
Nagoya
now
🌦️
+23°
Kawasaki
now
🌧️
+24°
Kobe
now
🌦️
+23°
📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.