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Every New Zealand forecast, compared
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CheckWeather NZKaiapoi
Forecast confidence: High · models disagree by 2°C

Kaiapoi weather

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Light rain,rain likely tomorrow

European, the American and the German model agree on a high near 12° in Kaiapoi today. Tomorrow looks light drizzle around 10°, with a 100% chance of rain.

12°
10°
12°
14°
10°
16°
Todaymodels agreeTomorrowmodels agreeTuesdaysplit ±3°Wednesdaysplit ±4°Thursdaymodels agreeFridaysplit ±7°
EuropeanECMWF
13°
Light rain
Today 13°·Low ·Rain 100%
AmericanNOAA GFS
11°
Light rain
Today 11°·Low ·Rain 100%
GermanDWD ICON
11°
Rain
Today 11°·Low ·Rain 100%

The weather map: all three models at once

European, American, German side by side around Kaiapoi and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Light rain
12°
models agree
Tomorrow
Light drizzle
10°
models agree
Tue
Cloudy
12°
±3°
Wed
Cloudy
14°
±4°
Thu
Drizzle
10°
models agree
Fri
Partly cloudy
16°
±7°
Sat
Light drizzle
13°
models agree
Sun
Light drizzle
14°
±7°
Mon
Mostly clear
17°
models agree
Tue
Cloudy
18°
±3°
Wed
Light rain
15°
±2°
Thu
Cloudy
14°
±4°
Fri
Cloudy
14°
±6°
Sat
Cloudy
14°
±7°

Kaiapoi, New Zealand is at its warmest in Jan (average highs near 21°C) and coldest in Jul (lows around 3°C), with roughly 788 mm of precipitation across the year. Below, compare what European, American, German forecast for Kaiapoi right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in New Zealand before you trust any single number.

Kaiapoi climate by month

average daytime high and overnight low across a typical year
Jan
21°
13°
Feb
21°
13°
Mar
19°
10°
Apr
17°
May
14°
Jun
12°
Jul
11°
Aug
12°
Sep
15°
Oct
16°
Nov
17°
Dec
20°
12°

Which forecast is most accurate in Kaiapoi?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
86
/100rank #1
85±0.8°C93±3.6 km/t8290% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
86
/100rank #2
87±0.7°C92±4.0 km/t8290% hitDeutscher Wetterdienst (DWD)Offenbach am Main, Germany
European logo
European
84
/100rank #3
91±0.5°C93±3.5 km/t7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 237 cities. Lower error means a higher score. See which forecast model is most accurate in New Zealand, how we measure forecast accuracy, or which model each weather app uses.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°11° to 13°models agree100% to 100% chance
Tomorrow±2°9° to 11°±6%94% to 100% chance
Tue±3°11° to 13°±8%5% to 13% chance
Wed±4°12° to 16°±7%0% to 7% chance
Thu±1°10° to 11°±30%56% to 86% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Kaiapoi

today, local time
Sunrise
06:48
Sunset
18:08
Daylight
11h 20m

Common questions

What's the weather in Kaiapoi today?
On this page we show what European, American, German each forecast for Kaiapoi today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Kaiapoi today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Kaiapoi and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Kaiapoi?
Over the last 30 days, the American model has been the most accurate for Kaiapoi (CheckWeather Score 86/100), ahead of the German at 86. We grade every model against the recorded weather. See the NZ accuracy scoreboard for the full method.
What is the warmest month in Kaiapoi?
January is typically the warmest month in Kaiapoi, with average highs around 21°C.
How cold does Kaiapoi get?
The coldest month in Kaiapoi is July, when overnight lows average about 3°C.
How much rain does Kaiapoi get?
Kaiapoi sees roughly 788 mm of precipitation a year, with July usually the wettest month.

Nearby

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