Rain observed over the last two hours by official weather radars around Iwanaiko, followed by the radar forecast for the next hour where the weather service provides one.
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Rain radarLast two hours, then forecast where available · drag the timeline
Air you breathe in Iwanaiko: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.51µg/m³
PM101µg/m³
Copernicus CAMS model, updated several times a day.
Iwanaiko forecast in charts · next 7 days
The week ahead: highs and lows
▼ This week runs -3.1° cooler than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Moon over Iwanaiko
Waning crescent
6 % illuminated · 27.3 days
Rise 04:01 Set 14:57
Sun8/112%
Mon9/110%
Tue10/111%New moon
Wed11/113%
Thu12/118%
Fri13/1115%
Sat14/1123%
Sun15/1133%
Mon16/1143%
Tue17/1154%First quarter
Wed18/1164%
Thu19/1174%
Moonrise and moonset in local time (Asia/Tokyo); phase and lit fraction from a synodic calculation.
Heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest.
Look up a past day in Iwanaiko
Curious about the weather in Iwanaiko on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Iwanaiko weather at a glance
This page gathers everything about the weather in Iwanaiko, Hokkaido: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “light snow”, it is -0 °C (feels like -7 °C) and the wind blows at 33 km/h.
Expected range today: -1 °C to 0 °C and around 22 mm of rain. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms, plus the tide times for Iwanaiko.
Use the Iwanaiko forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
