See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
12°
Partly Cloudy
Feels Like: 11°
Min: 11°
Max: 15°
The next few hours will be partly cloudy, with today reaching 15°C and dropping to 11°C. The coming days will be cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:59
Sunrise
19:20
Sunset
Moon
Waxing Crescent
14:05
Moonrise
20:25
Moonset
Daily Forecast
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in Hamilton today, September 16, 2026
Hamilton starts September 16, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Expect a grey start, with morning cloud around 99% by 11:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 11°C toward a daytime high of about 15°C. Relative humidity sits between 74% and 92%, reaching its peak around 02:00. Winds stay light, near 8.1 km/h by 23:00, so the day feels still more than breezy.
The second half of the day still looks unsettled, with rain probability around 100% by 23:00. Dense cloud near 100% at 13:00 keeps the feel grey. Horizontal visibility sits around 25.5 km, briefly nearer 16.3 km. Expect sunrise at 06:59, sunset at 19:20, and 12 hours 21 minutes of sunlight today overall.
Overall, Hamilton on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 15°C.
Frequently asked questions about weather in Hamilton
How warm does it get in Hamilton?
The warmest month in Hamilton is July, with average high temperatures of 18°C. The average temperature during this period is around 15°C.
How cold does it get in Hamilton?
The coldest month in Hamilton is January, with average low temperatures of 2°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Hamilton?
The wettest month in Hamilton is October, with an average of 114mm of precipitation.
What is the driest time of year in Hamilton?
The driest month in Hamilton is April, with an average of 60mm of precipitation.
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