Will it rain today in Hamilton?
Should you take an umbrella in Hamilton? 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 Hamilton 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 |
|---|---|---|---|
| 22:00–01:00 | 0 | 0 | dry |
| 01:00–04:00 | 0 | 0 | dry |
| 04:00–07:00 | 0 | 0 | dry |
| 07:00–10:00 | 0 | 0 | dry |
| 10:00–13:00 | 0 | 0 | dry |
| 13:00–16:00 | 0 | 0 | dry |
| 16:00–19:00 | 0 | 0 | dry |
| 19:00–22:00 | 0 | 0 | dry |
Tomorrow · Sunday 18 October
Dry: no rain in the forecast.
Every 3 hours as a table
| Hours | Rain (mm) | mm/h | Type |
|---|---|---|---|
| 22:00–01:00 | 0 | 0 | dry |
| 01:00–04:00 | 0 | 0 | dry |
| 04:00–07:00 | 0 | 0 | dry |
| 07:00–10:00 | 0 | 0 | dry |
| 10:00–13:00 | 0 | 0 | dry |
| 13:00–16:00 | 0 | 0 | dry |
| 16:00–19:00 | 0 | 0 | dry |
| 19:00–22:00 | 0 | 0 | dry |
Times in local time (Pacific/Auckland). Each bar is the rain over 3 hours; striped bars are snow.
Rain map around Hamilton
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 Hamilton, month by month
Hamilton gets about 1,118 mm of rain a year. The wettest month is May (119 mm), the driest November (65 mm); a normal October brings 89 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.
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Questions
- Will it rain today in Hamilton?
- At 17 October 2026 the forecast said: No rain expected in Hamilton 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 Hamilton?
- About 1,118 mm a year on average (2001–2025). May is the wettest month with 119 mm, November the driest with 65 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 Hamilton.
Rain forecast nearby
Tauranga · Auckland · Wellington · Christchurch · Queenstown · Dunedin
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 Hamilton 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.