Today
Sun, Jun 21
Slight rain
29°22°
- Rain chance
- 100%
- Precip
- 5 mm
- Max wind
- 12 km/h
Aichi, Japan · Tokyo time · 35.23°, 137.10°
Current conditions · 9:45 PM local
23°C
Overcast
Feels like 26°C
49
Good
US AQI · European AQI 30
Air quality in Seto is currently good, with a US AQI of 49 (European AQI 30). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 3.6 µg/m³.
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now in Seto, it's overcast with the temperature at 23 °C. It feels warmer than it reads, more like 25 °C. Wind is from the WNW at 7 km/h, gusting to 29 km/h. Humidity stands at 78% with sea-level pressure near 1004 hPa.
Slight rain · rain likely (100%)
Overcast
Highs 26°, lows 15°. The most active day looks like Thursday, when rain chances peak at 89%.
Expect slight rain today, between 22 °C and 29 °C. Rain chance peaks at 100% with around 5 mm possible. Gusts may reach 52 km/h from the W. Tomorrow looks like overcast; temperatures run from 20 °C up to 26 °C. Gusts may reach 53 km/h from the NW. Tuesday looks like overcast; temperatures run from 17 °C up to 26 °C. Gusts may reach 40 km/h from the SSW.
Today
Sun, Jun 21
Slight rain
29°22°
Tomorrow
Mon, Jun 22
Overcast
26°20°
Tuesday
Tue, Jun 23
Overcast
26°17°
The weather picture for Seto opens with overcast; it's 23 °C out, feeling like 25 °C. Today's forecast calls for slight rain, topping out near 29 °C before falling back to 22 °C overnight. Winds blow mainly from the W around 12 km/h, with gusts up to 52 km/h. Highs ease downward through the week, ranging 21 to 29 °C. Rain is in the picture on today, Thursday, Friday, with roughly 65 mm expected in total across the week. Tomorrow brings overcast with a high of 26 °C and a 0% chance of precipitation. The UV index reaches 8 today, so sun protection is sensible during the middle of the day. Sunrise comes at 04:37 and sunset at 19:09, giving 14.5 hours of daylight. Current humidity sits at 78% with pressure near 1004 hPa. Looking further out, Thursday shows thunderstorm with a high around 21 °C, while Saturday ends the week at 26 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Soil temperatures today read surface 20.5 °C, 6 cm 22.6 °C, 18 cm 23.3 °C, 54 cm 21 °C. Soil moisture sits at 0-1 cm at 0.36 m³/m³, 3-9 cm at 0.36 m³/m³, 27-81 cm at 0.35 m³/m³. For wheat, the root-zone reading is above the ideal 0.2-0.35 m³/m³ band. Forecast rain (65 mm) roughly covers crop water demand (ET0 25 mm), so irrigation can likely be paused. A suitable spraying window opens around 09:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 122, maize 84.
No weather alert thresholds are crossed for Seto in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
| Variable | Value |
|---|---|
| City | Seto, Aichi, Japan |
| Coordinates | 35.23333, 137.1 |
| Elevation | 111 m |
| Timezone | Asia/Tokyo |
| Population | 127,792 |
| Observed at (local) | 9:45 PM |
| Temperature (2 m) | 23°C |
| Apparent temperature | 26°C |
| Relative humidity (2 m) | 98% |
| Dew point (2 m) | 22°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 3 |
| Cloud cover | 86% |
| Surface pressure | 991 hPa |
| Sea-level pressure | 1004 hPa |
| Wind speed (10 m) | 7 km/h |
| Wind gusts (10 m) | 29 km/h |
| Wind direction (10 m) | 288° (WNW) |
| Visibility | 11.2 km |
| UV index | 0 |
| Day / night | Night |
| Today max / min | 29°C / 22°C |
| Today feels-like max / min | 33°C / 25°C |
| Today precipitation sum | 5 mm |
| Today rain sum | 5 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 100% |
| Today max wind / gusts | 12 km/h / 52 km/h |
| Dominant wind direction | 263° (W) |
| Sunrise / sunset | 4:37 AM / 7:09 PM |
| Daylight duration | 14h 32m |
| Sunshine duration | 5h 47m |
| Max UV index | 8 |
| Reference evapotranspiration (ET₀) | 3.58 mm |
| Topsoil moisture (0–1 cm) | 0.409 m³/m³ |
| Surface soil temperature | 21°C |
| US AQI | 49 |
| European AQI | 30 |
| PM2.5 | 3.6 µg/m³ |
| PM10 | 4.4 µg/m³ |
| Ozone (O₃) | 76 µg/m³ |
| Nitrogen dioxide (NO₂) | 4.7 µg/m³ |
| Sulphur dioxide (SO₂) | 2.2 µg/m³ |
| Carbon monoxide (CO) | 124 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/jp/aichi/seto" width="320" height="180" frameborder="0" title="Seto weather" loading="lazy"></iframe>Rain is unlikely in Seto tomorrow; the precipitation chance stays around 0%.
Today Seto sees slight rain with a high of 29 °C and a low of 22 °C.
Tomorrow's high in Seto is forecast at 26 °C with overcast.
Yes, yes — gusts up to 52 km/h today.
The UV index peaks at 8 today, which is very high.
The sun rises at 04:37 and sets at 19:09 local time.
Air quality is good right now, with a US AQI reading of 49.