Today
Mon, Jun 22
Overcast
26°19°
- Rain chance
- 10%
- Precip
- 0 mm
- Max wind
- 10 km/h
Chiba, Japan · Tokyo time · 35.52°, 140.32°
Damaging winds Thursday: gusts to 74 km/h.
Damaging winds Thursday: gusts to 74 km/h.
Derived advisory — not an official warning
Current conditions · 12:00 AM local
22°C
Partly cloudy
Feels like 25°C
24
Good
US AQI · European AQI 22
Air quality in Ōami is currently good, with a US AQI of 24 (European AQI 22). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 1 µg/m³.
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Ōami is currently seeing partly cloudy, with 22 °C on the thermometer. It feels warmer than it reads, more like 25 °C. Wind is from the NNW at 5 km/h. Humidity stands at 85% with sea-level pressure near 1000 hPa.
Overcast
Overcast · 42% chance of rain
Highs 27°, lows 17°. The most active day looks like Thursday, when rain chances peak at 95%.
Today looks like overcast; temperatures run from 19 °C up to 26 °C. Expect overcast tomorrow, between 17 °C and 24 °C. Rain chance peaks at 42%. Wednesday looks like overcast; temperatures run from 17 °C up to 24 °C. Rain chance peaks at 88% with around 0.2 mm possible.
Today
Mon, Jun 22
Overcast
26°19°
Tomorrow
Tue, Jun 23
Overcast
24°17°
Wednesday
Wed, Jun 24
Overcast
24°17°
Ōami starts the period under partly cloudy, with the mercury at 22 °C and a feels-like of 25 °C. Today's forecast calls for overcast, topping out near 26 °C before falling back to 19 °C overnight. Winds blow mainly from the E around 10 km/h, with gusts up to 37 km/h. Daytime highs hold fairly steady this week, staying within 23 to 27 °C. Rain is in the picture on Thursday, Friday, Saturday, with roughly 51 mm expected in total across the week. Tomorrow brings overcast with a high of 24 °C and a 42% chance of precipitation. The UV index reaches 6 today, so sun protection is sensible during the middle of the day. Sunrise comes at 04:23 and sunset at 18:57, giving 14.6 hours of daylight. Current humidity sits at 85% with pressure near 1000 hPa. Looking further out, Friday shows slight rain showers with a high around 27 °C, while Sunday ends the week at 27 °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 18.5 °C, 6 cm 20.2 °C, 18 cm 21.5 °C, 54 cm 21.7 °C. Soil moisture sits at 0-1 cm at 0.2 m³/m³, 3-9 cm at 0.21 m³/m³, 27-81 cm at 0.24 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Forecast rain (51 mm) roughly covers crop water demand (ET0 21 mm), so irrigation can likely be paused. A suitable spraying window opens around 05:00 on 2026-06-22, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 126, maize 87.
Weather alerts for Ōami (derived from forecast data, not official warnings): Damaging winds Thursday: gusts to 74 km/h.
| Variable | Value |
|---|---|
| City | Ōami, Chiba, Japan |
| Coordinates | 35.51667, 140.31667 |
| Elevation | 8 m |
| Timezone | Asia/Tokyo |
| Population | 53,239 |
| Observed at (local) | 12:00 AM |
| Temperature (2 m) | 22°C |
| Apparent temperature | 25°C |
| Relative humidity (2 m) | 85% |
| Dew point (2 m) | 19°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 2 |
| Cloud cover | 51% |
| Surface pressure | 999 hPa |
| Sea-level pressure | 1000 hPa |
| Wind speed (10 m) | 5 km/h |
| Wind gusts (10 m) | 15 km/h |
| Wind direction (10 m) | 330° (NNW) |
| Visibility | 20.3 km |
| UV index | 0 |
| Day / night | Night |
| Today max / min | 26°C / 19°C |
| Today feels-like max / min | 29°C / 21°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 10% |
| Today max wind / gusts | 10 km/h / 37 km/h |
| Dominant wind direction | 84° (E) |
| Sunrise / sunset | 4:23 AM / 6:57 PM |
| Daylight duration | 14h 33m |
| Sunshine duration | 6h 18m |
| Max UV index | 6.4 |
| Reference evapotranspiration (ET₀) | 2.99 mm |
| Topsoil moisture (0–1 cm) | 0.212 m³/m³ |
| Surface soil temperature | 20°C |
| US AQI | 24 |
| European AQI | 22 |
| PM2.5 | 1 µg/m³ |
| PM10 | 1.1 µg/m³ |
| Ozone (O₃) | 55 µg/m³ |
| Nitrogen dioxide (NO₂) | 7.3 µg/m³ |
| Sulphur dioxide (SO₂) | 3.4 µg/m³ |
| Carbon monoxide (CO) | 126 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/jp/chiba/oami" width="320" height="180" frameborder="0" title="Ōami weather" loading="lazy"></iframe>There is a moderate chance of rain in Ōami tomorrow, peaking at 42%.
Today Ōami sees overcast with a high of 26 °C and a low of 19 °C.
Tomorrow's high in Ōami is forecast at 24 °C with overcast.
No, not especially; gusts only reach up to 37 km/h today.
The UV index peaks at 6 today, which is high.
The sun rises at 04:23 and sets at 18:57 local time.
Air quality is good right now, with a US AQI reading of 24.