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CheckWeather NZSaint Johns
Forecast confidence: High · models disagree by 1°C

Saint Johns weather

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Cloudy,rain likely tomorrow

European, the American and the German model agree on a high near 17° in Saint Johns today. Tomorrow looks heavy drizzle around 16°, with a 100% chance of rain.

17°11°
16°12°
15°10°
14°
15°
14°
Todaymodels agreeTomorrowmodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±3°Fridaysplit ±2°
EuropeanECMWF
17°
Cloudy
Today 17°·Low 10°·Rain 51%
AmericanNOAA GFS
17°
Light drizzle
Today 17°·Low 10°·Rain 6%
GermanDWD ICON
17°
Cloudy
Today 17°·Low 12°·Rain 8%

The weather map: all three models at once

European, American, German side by side around Saint Johns and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Cloudy
17° 11°
models agree
Tomorrow
Heavy drizzle
16° 12°
models agree
Tue
Cloudy
15° 10°
models agree
Wed
Drizzle
14°
models agree
Thu
Heavy drizzle
15°
±3°
Fri
Light drizzle
14°
±2°
Sat
Cloudy
14° 11°
±2°
Sun
Light drizzle
15° 12°
models agree
Mon
Light drizzle
16° 12°
models agree
Tue
Light drizzle
17° 13°
models agree
Wed
Light rain
16° 12°
models agree
Thu
Light rain
16° 11°
±3°
Fri
Cloudy
14° 10°
±2°
Sat
Cloudy
13° 10°
±6°

Saint Johns, New Zealand is at its warmest in Jan (average highs near 23°C) and coldest in Aug (lows around 8°C), with roughly 1401 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
Jan
23°
18°
Feb
23°
17°
Mar
21°
15°
Apr
20°
15°
May
17°
12°
Jun
16°
11°
Jul
14°
Aug
14°
Sep
16°
11°
Oct
17°
12°
Nov
19°
13°
Dec
22°
16°

Which forecast is most accurate in Saint Johns?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
90
/100rank #1
88±0.7°C94±3.0 km/t8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
85
/100rank #2
87±0.7°C96±2.2 km/t7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
83
/100rank #3
92±0.4°C94±2.9 km/t6581% 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 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±1°17° to 17°±45%6% to 51% chance
Tomorrow±1°16° to 17°±7%93% to 100% chance
Tue±2°14° to 16°±24%8% to 32% chance
Wed±2°14° to 15°±26%15% to 41% chance
Thu±3°13° to 16°±38%55% to 93% 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
06:34
Sunset
18:04
Daylight
11h 30m

Common questions

What's the weather in Saint Johns today?
On this page we show what European, American, German each forecast for Saint Johns 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 Saint Johns today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Saint Johns 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 Saint Johns?
Over the last 30 days, the European model has been the most accurate for Saint Johns (CheckWeather Score 90/100), ahead of the American at 85. 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?
January 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 August, when overnight lows average about 8°C.
How much rain does Saint Johns get?
Saint Johns sees roughly 1401 mm of precipitation a year, with January usually the wettest month.

Nearby

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