Will it rain today in Yokohama?
Should you take an umbrella in Yokohama? The forecast below loads live every time you open the page: rain now, when the next shower comes, and how much falls today and tomorrow.
Rain right now
No rain expected in Yokohama for the rest of today. Tomorrow looks dry.
As of 2026-10-16 17:35 UTC (NOAA GFS snapshot). Updating live…
Rain every 3 hours, today and tomorrow
Today · Saturday 17 October
Dry: no rain in the forecast.
Every 3 hours as a table
| Hours | Rain (mm) | mm/h | Type |
|---|---|---|---|
| 00:00–03:00 | 0.1 | 0 | dry |
| 03:00–06:00 | 0 | 0 | dry |
| 06:00–09:00 | 0 | 0 | dry |
| 09:00–12:00 | 0 | 0 | dry |
| 12:00–15:00 | 0 | 0 | dry |
| 15:00–18:00 | 0 | 0 | dry |
| 18:00–21:00 | 0 | 0 | dry |
| 21:00–00:00 | 0 | 0 | dry |
Tomorrow · Sunday 18 October
Dry: no rain in the forecast. (the forecast covers part of the day)
Every 3 hours as a table
| Hours | Rain (mm) | mm/h | Type |
|---|---|---|---|
| 00:00–03:00 | 0 | 0 | dry |
| 03:00–06:00 | 0 | 0 | dry |
| 06:00–09:00 | 0 | 0 | dry |
| 09:00–12:00 | 0 | 0 | dry |
| 12:00–15:00 | 0 | 0 | dry |
| 15:00–18:00 | 0 | 0 | dry |
| 18:00–21:00 | 0 | 0 | dry |
Times in local time (Asia/Tokyo). Each bar is the rain over 3 hours; striped bars are snow.
Rain map around Yokohama
The same NOAA GFS precipitation on the map, moving hour by hour: blue light, darker heavy. Tap for the value.
How much it rains in Yokohama, month by month
Yokohama gets about 1,638 mm of rain a year. The wettest month is October (222 mm), the driest January (66 mm); a normal October brings 222 mm.
Average monthly rain and snow (water equivalent) 2001–2025, NASA POWER (MERRA-2 reanalysis, public domain), on a ~50 km grid: mountains and coasts can differ locally.
More for Yokohama
Weather in Yokohama now · Rain totals map · Thunderstorms · Cloud map
More with LayEarth Pro
Pro adds alerts for the places you follow, the GPS interference map, winds aloft and turbulence. 7-day free trial, then 9 USD a month.
Questions
- Will it rain today in Yokohama?
- At 17 October 2026 the forecast said: No rain expected in Yokohama for the rest of today. Tomorrow looks dry. The box at the top of the page loads the latest NOAA GFS forecast every time you open it, with the time the next rain starts.
- How much does it rain in Yokohama?
- About 1,638 mm a year on average (2001–2025). October is the wettest month with 222 mm, January the driest with 66 mm.
- What do the rain amounts mean?
- 1 mm is a litre of water per square metre. Under 2.5 mm an hour is light rain (a drizzle to a steady rain), 2.5–7.6 moderate, above 7.6 heavy: you get soaked in minutes and streets can flood.
- How accurate is the forecast?
- It is the global NOAA GFS model on a 0.25° grid every 3 hours: good at telling a rainy day from a dry one, less at placing a single summer thunderstorm. Check the rain map for the showers moving around Yokohama.
Rain forecast nearby
How this page works
The rain is the one the rain layer of the map paints: NOAA GFS forecast (public domain), precipitation rate averaged over 3 hours, read at Yokohama and summed per local day. Rain or snow comes from the GFS precipitation type. The monthly normals are NASA POWER. No third-party weather service.