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Forecast confidence: High · models disagree by 0°C

Johnsonville weather

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Light drizzle,much the same tomorrow

European, the American and the German model agree on a high near 15° in Johnsonville today. Tomorrow: cloudy, around 15°, with a 0% chance of rain.

15°12°
15°12°
15°13°
14°10°
15°9°
17°10°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±3°Thursdaymodels agree
EuropeanECMWF
13°
Clear
Feels 9° · Wind 31 km/h · Humidity 86%
AmericanNOAA GFS
12°
Clear
Feels 8° · Wind 28 km/h · Humidity 88%
GermanDWD ICON
13°
Partly cloudy
Feels 9° · Wind 28 km/h · Humidity 89%

Latest for Johnsonville: European (ECMWF): 13° Clear · American (NOAA GFS): 12° Clear · German (DWD ICON): 13° Partly cloudy.

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Johnsonville weather in numbers

from 30 years of measured normals

Johnsonville swings 13°C across the year, from 19°C highs in January to 6°C lows in June, and July is usually the wettest month in a year that brings about 1300 mm of precipitation.

Warmest month
January
19°C average high
Coldest month
June
6°C average low
Wettest month
July
1300 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
January, February, March and April
Residents
12,000
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The weather map: all three models at once

European, American, German side by side around Johnsonville and nearby towns.Live rain radar →
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Johnsonville hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Johnsonville 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
15° 12°
models agree
Tomorrow
Cloudy
15° 12°
models agree
Mon
Light drizzle
15° 13°
models agree
Tue
Rain
14° 10°
models agree
Wed
Clear
15° 9°
±3°
Thu
Cloudy
17° 10°
models agree
Fri
Mostly clear
15° 9°
±2°
Sat
Partly cloudy
16° 9°
models agree
Sun
Light drizzle
15° 12°
models agree
Mon
Drizzle
15° 9°
models agree
Tue
Light drizzle
14° 9°
models agree
Wed
Cloudy
15° 10°
±4°
Thu
Cloudy
16° 8°
models agree
Fri
Clear
17° 9°
models agree

Johnsonville, New Zealand is at its warmest in Jan (average highs near 19°C) and coldest in Jun (lows around 6°C), with roughly 1300 mm of precipitation across the year. Below, compare what European, American, German forecast for Johnsonville 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.

Johnsonville climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
19°
13°
Feb
19°
14°
Mar
18°
13°
Apr
16°
11°
May
14°
9°
Jun
12°
6°
Jul
10°
6°
Aug
11°
6°
Sep
12°
7°
Oct
14°
9°
Nov
16°
10°
Dec
17°
12°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Johnsonville has changed since 1995

Johnsonville sits in the same roughly 50 km square of NASA's reanalysis as Lower Hutt. That square ran 0.4°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Lower Hutt page.

Which forecast is most accurate in Johnsonville?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
88
/100rank #1
91±0.5°C93±3.4 km/h8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
88
/100rank #2
89±0.6°C94±3.1 km/h8290% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
83
/100rank #3
90±0.5°C88±5.8 km/h7184% hitDeutscher Wetterdienst (DWD)Offenbach am Main, Germany

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 244 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.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in New Zealand? Give each 1 to 5 stars.

EuropeanECMWF
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AmericanNOAA GFS
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GermanDWD ICON
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Todaymodels agree15° to 15°±50%0% to 50% chance
Tomorrow±1°15° to 16°models agree0% to 0% chance
Mon±1°14° to 15°±38%3% to 41% chance
Tue±1°14° to 15°±9%91% to 100% chance
Wed±3°14° to 17°±3%6% to 9% 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 Johnsonville

today, local time
Sunrise
06:19
Sunset
19:52
Daylight
13h 33m

Common questions

What's the weather in Johnsonville today?
Saturday 24 October: European, the American and the German model agree on a high near 15° in Johnsonville today. Tomorrow: cloudy, around 15°, with a 0% chance of rain. The forecast on this page refreshes live.
Will it rain in Johnsonville today or tomorrow?
Rain looks unlikely in Johnsonville on Sunday 25 October: no model gives more than 0% (European 0%, American 0%, German 0%). On Saturday 24 October the highest chance of rain from any model is 50%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Johnsonville?
Over the last 30 days, the European model has been the most accurate for Johnsonville (CheckWeather Score 88/100), ahead of the American at 88. We grade every model against the recorded weather. See the NZ accuracy scoreboard for the full method.
What is the warmest month in Johnsonville?
January is typically the warmest month in Johnsonville, with average highs around 19°C.
How cold does Johnsonville get?
The coldest month in Johnsonville is June, when overnight lows average about 6°C.
How much rain does Johnsonville get?
Johnsonville sees roughly 1300 mm of precipitation a year, with July usually the wettest month.

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