See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Light Rain
Feels Like: 23°
Min: 22°
Max: 25°
The next few hours will be humid and overcast, with today reaching 25°C and dropping to 22°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:38
Sunrise
17:48
Sunset
Moon
Waxing Crescent
10:33
Moonrise
20:27
Moonset
Daily Forecast
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Thursday
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Weather in Hamamatsu today, September 16, 2026
Hamamatsu looks damp on September 16, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 100% near 10:00. Skies look heaviest around 10:00, with cover close to 100%.
The day peaks near 25°C and cools toward 22°C. Relative humidity sits between 90% and 97%, reaching its peak around 18:00. A lighter breeze peaks around 15:00 near 1.7 km/h.
Afternoon showers stay in play, peaking near 100% around 12:00. Skies remain cluttered, with cover about 100% by 12:00. Visibility holds near 12.4 km, though it can fall to 3.6 km. The sun rises at 05:38 and sets at 17:48, for a total of 12 hours 10 minutes of sunlight today.
Overall, Hamamatsu on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 25°C.
Frequently asked questions about weather in Hamamatsu
How warm does it get in Hamamatsu?
The warmest month in Hamamatsu is August, with average high temperatures of 33°C. The average temperature during this period is around 29°C.
How cold does it get in Hamamatsu?
The coldest month in Hamamatsu is January, with average low temperatures of 3°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Hamamatsu?
The wettest month in Hamamatsu is June, with an average of 318mm of precipitation.
What is the driest time of year in Hamamatsu?
The driest month in Hamamatsu is January, with an average of 55mm of precipitation.
