El Niño / La Niña impact — currently El Niño conditions emerging
El Niño · active now
Cooler summers and milder, wetter winters tendency.
La Niña
Hotter summers; colder winters tendency.
7-day forecast — Japan
Open-MeteoSettled week ahead — highs near 33°, little rain (14mm total). No weather precautions needed.
- ⚠ River flood high: discharge +2479% vs normal (peak Sun)
Sat
Mostly sunny
33° / 25°
💧 10% · 0mm
🌬 7 km/h
Sun
Drizzle
31° / 25°
💧 86% · 1mm
🌬 4 km/h
Mon
Drizzle
30° / 23°
💧 60% · 0mm
🌬 7 km/h
Tue
Drizzle
26° / 21°
💧 45% · 1mm
🌬 11 km/h
Wed
Drizzle
29° / 22°
💧 78% · 1mm
🌬 8 km/h
Thu
Drizzle
30° / 22°
💧 85% · 2mm
🌬 10 km/h
Fri
Drizzle
27° / 23°
💧 90% · 9mm
🌬 8 km/h
7-day temperature outlook
AI weather ensemble · Japan
Moderate confidence· why?
- Some divergence between members — treat the range, not the midpoint, as the forecast.
- Well-observed region with dense weather networks.
Plan for the upper end of the range and follow official local authorities for confirmed warnings.
Model comparison — Japan
4 models · daily max °C| Model | Sat | Sun | Mon | Tue | Wed |
|---|---|---|---|---|---|
| ECMWF | 34 | 34 | 30 | 29 | 28 |
| GFS | 35 | 35 | 33 | 31 | 30 |
| ICON | 34 | 33 | 31 | 32 | — |
| GEM | 32 | 33 | 31 | 30 | — |
| Spread | ±3 | ±2 | ±2 | ±3 | ±3 |
Spread = warmest−coolest model mean per day. Small spread → models agree (higher confidence); large → genuine uncertainty.
Emergency resources
Japan · call now or find nearby
ACTIVE EVENTS — Japan (0)
No active events recorded in Japan right now.
How to prepare
Full guide ↗Limited ENSO signal here
This country has no strong, well-documented ENSO teleconnection. General readiness still helps for any local hazard.
Before
- Keep a basic emergency kit and family plan.
During
- Follow local authorities for any weather warning.
After
- Restock and review.