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-MeteoMostly dry with rain Sat (15mm). Carry rain gear that day.
- ⚠ River flood high: discharge +619% vs normal (peak Tue)
Tue
Mostly sunny
30° / 24°
💧 94% · 0mm
🌬 11 km/h
Wed
Drizzle
24° / 21°
💧 35% · 0mm
🌬 5 km/h
Thu
Drizzle
28° / 19°
💧 55% · 0mm
🌬 5 km/h
Fri
Drizzle
25° / 20°
💧 43% · 1mm
🌬 8 km/h
Sat
Showers
21° / 18°
💧 63% · 15mm
🌬 8 km/h
Sun
Drizzle
23° / 17°
💧 65% · 1mm
🌬 7 km/h
Mon
Drizzle
22° / 17°
💧 33% · 2mm
🌬 5 km/h
7-day temperature outlook
AI weather ensemble · Japan
High confidence· why?
- Ensemble members strongly agree — the forecast range is tight.
- 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 | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|
| ECMWF | 29 | 24 | 28 | 24 | 22 |
| GFS | 30 | 24 | 29 | 27 | 24 |
| ICON | 31 | 23 | 29 | 26 | 21 |
| GEM | 27 | 23 | 25 | 23 | 23 |
| Spread | ±4 | ±1 | ±4 | ±4 | ±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 (3)
- M 4.9 - Volcano Islands, Japan regionMINORearthquake2h ago
📍 Volcano Islands, Japan region
✓ Confirmed · 3 sourcesSource: USGS · updated 2h ago↗ - M 5.0 - Volcano Islands, Japan regionMINORearthquake3h ago
📍 Volcano Islands, Japan region
✓ Confirmed · 3 sourcesSource: USGS · updated 3h ago↗ - M 4.5 - 91 km E of Namie, JapanMINORearthquake9h ago
📍 91 km E of Namie, Japan
✓ Confirmed · 2 sourcesSource: USGS · updated 9h ago↗
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.