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Forecast confidence: High · models disagree by 1°C

Saint Johns weather

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Cloudy,much the same tomorrow

European, the American and the German model agree on a high near 19° in Saint Johns today. Tomorrow: cloudy, around 18°, with a 8% chance of rain.

19°10°
18°13°
20°12°
18°13°
17°12°
18°12°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
EuropeanECMWF
13°
Overcast
Feels 13° · Wind 8 km/h · Humidity 87%
AmericanNOAA GFS
13°
Overcast
Feels 12° · Wind 5 km/h · Humidity 76%
GermanDWD ICON
14°
Overcast
Feels 14° · Wind 4 km/h · Humidity 88%

Latest for Saint Johns: European (ECMWF): 13° Overcast · American (NOAA GFS): 13° Overcast · German (DWD ICON): 14° Overcast.

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Saint Johns weather in numbers

from 30 years of measured normals

Saint Johns swings 15°C across the year, from 23°C highs in February to 8°C lows in July, and July is usually the wettest month in a year that brings about 1236 mm of precipitation.

Warmest month
February
23°C average high
Coldest month
July
8°C average low
Wettest month
July
1236 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
January, February, March and April
Residents
6,300
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The weather map: all three models at once

European, American, German side by side around Saint Johns and nearby towns.Live rain radar →
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Saint Johns 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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Saint Johns 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
19° 10°
models agree
Tomorrow
Cloudy
18° 13°
models agree
Mon
Cloudy
20° 12°
models agree
Tue
Light rain
18° 13°
models agree
Wed
Cloudy
17° 12°
models agree
Thu
Light drizzle
18° 12°
models agree
Fri
Light drizzle
17° 13°
models agree
Sat
Cloudy
18° 12°
models agree
Sun
Cloudy
18° 10°
models agree
Mon
Drizzle
19° 16°
±3°
Tue
Light rain
17° 12°
±3°
Wed
Light drizzle
17° 12°
models agree
Thu
Cloudy
19° 11°
models agree
Fri
Light drizzle
18° 11°
models agree

Saint Johns, New Zealand is at its warmest in Feb (average highs near 23°C) and coldest in Jul (lows around 8°C), with roughly 1236 mm of precipitation across the year. Below, compare what European, American, German forecast for Saint Johns 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.

Saint Johns climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
22°
17°
Feb
23°
17°
Mar
22°
16°
Apr
20°
15°
May
17°
12°
Jun
16°
11°
Jul
13°
8°
Aug
14°
8°
Sep
15°
10°
Oct
16°
11°
Nov
18°
12°
Dec
21°
15°

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

How the weather around Saint Johns has changed since 1995

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

Which forecast is most accurate in Saint Johns?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
86
/100rank #1
83±0.9°C95±2.4 km/h8290% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
84
/100rank #2
84±0.9°C95±2.6 km/h7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
G
German
75
/100rank #3
87±0.7°C94±3.2 km/h4771% 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
Today±1°19° to 20°models agree0% to 0% chance
Tomorrow±1°18° to 19°±8%0% to 8% chance
Mon±1°19° to 21°±4%0% to 4% chance
Tue±2°18° to 19°±6%94% to 100% chance
Wed±1°16° to 18°±32%18% to 50% 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 Saint Johns

today, local time
Sunrise
06:25
Sunset
19:45
Daylight
13h 20m

Common questions

What's the weather in Saint Johns today?
Saturday 24 October: European, the American and the German model agree on a high near 19° in Saint Johns today. Tomorrow: cloudy, around 18°, with a 8% chance of rain. The forecast on this page refreshes live.
Will it rain in Saint Johns today or tomorrow?
Rain looks unlikely in Saint Johns on Sunday 25 October: no model gives more than 8% (European 8%, American 0%, German 3%). On Saturday 24 October the highest chance of rain from any model is 0%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Saint Johns?
Over the last 30 days, the American model has been the most accurate for Saint Johns (CheckWeather Score 86/100), ahead of the European at 84. We grade every model against the recorded weather. See the NZ accuracy scoreboard for the full method.
What is the warmest month in Saint Johns?
February is typically the warmest month in Saint Johns, with average highs around 23°C.
How cold does Saint Johns get?
The coldest month in Saint Johns is July, when overnight lows average about 8°C.
How much rain does Saint Johns get?
Saint Johns sees roughly 1236 mm of precipitation a year, with July usually the wettest month.

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