Iiyama weather
The forecast for Iiyama (Japan) for the next 10 days in local time: every 3 hours for the first 6 days, then every 6 hours. See when it will rain, how hard the wind will blow and how warm it will get.
Nagano, Japan36.85°N, 138.37°EAsia/Tokyo (UTC+9)ECMWF: October 26 at 09:00 AM
A real measurement from an airport weather station (NOAA, METAR reports), updated every hour. The forecast next to it comes from a model. NOAA Aviation Weather Center
Next 48 hours (local time)
10-day forecast
- TodayOctober 26Rain
5 mm · gusts 22 km/h14°C 12°C - TomorrowOctober 27Light rain
6 mm · gusts 44 km/h15°C 10°C - WednesdayOctober 28Rain
13 mm · gusts 48 km/h8°C 5°C - ThursdayOctober 29Partly cloudy
gusts 26 km/h13°C 1°C - FridayOctober 30Light rain
3 mm · gusts 16 km/h14°C 8°C - SaturdayOctober 31Light rain
10 mm · gusts 10 km/h14°C 7°C - SundayNovember 1Cloudy
2 mm · gusts 23 km/h14°C 6°C - MondayNovember 2Heavy rain
22 mm · gusts 47 km/h12°C 6°C - TuesdayNovember 3Light rain
1 mm · gusts 33 km/h11°C 4°C - WednesdayNovember 4Light rain
0.8 mm · gusts 30 km/h10°C 5°C
Over the next 10 days in Iiyama, temperatures will range from 1°C to 15°C, with 62 mm of rain or snow in total. Days with at least 1 mm of precipitation: 8. ECMWF model run from October 26 at 09:00 AM.
Iiyama wind forecast for 10 days
Windiest: Wednesday, October 28 - average 9 km/h, gusts up to 48 km/h. Calmest: Sunday, November 1 - average 1 km/h. The wind blows most often from the north.
| Day | Wind | Gusts | Direction |
|---|---|---|---|
| Today | 2 km/h | 22 km/h | southwest |
| Tomorrow | 4 km/h | 44 km/h | north |
| Wed, 10/28 | 9 km/h | 48 km/h | northwest |
| Thu, 10/29 | 2 km/h | 26 km/h | southwest |
| Fri, 10/30 | 4 km/h | 16 km/h | south |
| Sat, 10/31 | 4 km/h | 10 km/h | northwest |
| Sun, 11/1 | 1 km/h | 23 km/h | north |
| Mon, 11/2 | 9 km/h | 47 km/h | northwest |
| Tue, 11/3 | 4 km/h | 33 km/h | north |
| Wed, 11/4 | 3 km/h | 30 km/h | north |
Climate through the year
In October, daytime temperatures here average 17°C and nights 11°C, with about 167 mm of rain over the month. The warmest month is August (an average of 27°C by day), the coolest is January (2°C by day, -2°C at night). The wettest month is December (about 216 mm) and the driest is May (92 mm).
| Month | Day | Night | Rain |
|---|---|---|---|
| January | 2°C | -2°C | 185 mm |
| February | 2°C | -3°C | 114 mm |
| March | 6°C | 0°C | 115 mm |
| April | 13°C | 5°C | 95 mm |
| May | 19°C | 10°C | 92 mm |
| June | 22°C | 15°C | 137 mm |
| July | 26°C | 20°C | 202 mm |
| August | 27°C | 21°C | 157 mm |
| September | 23°C | 17°C | 168 mm |
| October | 17°C | 11°C | 167 mm |
| November | 11°C | 5°C | 164 mm |
| December | 5°C | 1°C | 216 mm |
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day. NASA POWER
The forecast for Iiyama comes from the ECMWF model and is computed for the point 36.85°N, 138.37°E. Temperature is measured 2 m above the ground, wind at 10 m. Gusts are the strongest bursts of wind within each 3-hour period.
Source: ECMWF IFS model (CC BY 4.0), data modified. A forecast is a model result, not a measurement. ECMWF