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CheckWeather NZCromwell
Forecast confidence: Medium · models disagree by 3°C

Cromwell weather

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Heavy drizzle,rain likely tomorrow

European, the American and the German model put Cromwell's high today between and 10°, a 3° split. Tomorrow looks light drizzle around 10°, with a 39% chance of rain.

10°
12°
14°
11°
Todaysplit ±3°Tomorrowmodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agreeFridaysplit ±4°
EuropeanECMWF
Heavy drizzle
Today ·Low ·Rain 100%
AmericanNOAA GFS
Heavy drizzle
Today ·Low ·Rain 96%
GermanDWD ICON
10°
Light rain
Today 10°·Low ·Rain 93%

The weather map: all three models at once

European, American, German side by side around Cromwell 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
Heavy drizzle
±3°
Tomorrow
Light drizzle
10°
models agree
Tue
Cloudy
12°
models agree
Wed
Heavy drizzle
14°
models agree
Thu
Light snow
models agree
Fri
Light drizzle
11°
±4°
Sat
Light drizzle
±3°
Sun
Cloudy
11°
±3°
Mon
Cloudy
15°
models agree
Tue
Light rain
14°
±7°
Wed
Light rain
11°
models agree
Thu
Mostly clear
±8°
Fri
Cloudy
12°
±5°
Sat
Heavy drizzle
13°
±7°

Cromwell, New Zealand is at its warmest in Jan (average highs near 24°C) and coldest in Jul (lows around 2°C), with roughly 1106 mm of precipitation across the year. Below, compare what European, American, German forecast for Cromwell 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.

Cromwell climate by month

average daytime high and overnight low across a typical year
Jan
24°
13°
Feb
23°
12°
Mar
19°
Apr
17°
May
12°
Jun
Jul
Aug
10°
Sep
13°
Oct
16°
Nov
18°
Dec
22°
12°

Which forecast is most accurate in Cromwell?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
87
/100rank #1
92±0.5°C93±3.7 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
74
/100rank #2
71±1.6°C92±3.8 km/t6581% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
71
/100rank #3
78±1.2°C86±6.9 km/t5374% 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±3°7° to 10°±7%93% to 100% chance
Tomorrow±1°9° to 10°±26%13% to 39% chance
Tue±1°12° to 13°±6%0% to 6% chance
Wed±2°13° to 15°±27%45% to 72% chance
Thu±2°8° to 10°±5%72% to 77% 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 Cromwell

today, local time
Sunrise
07:02
Sunset
18:20
Daylight
11h 18m

Common questions

What's the weather in Cromwell today?
On this page we show what European, American, German each forecast for Cromwell 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 Cromwell today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Cromwell 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 Cromwell?
Over the last 30 days, the European model has been the most accurate for Cromwell (CheckWeather Score 87/100), ahead of the American at 74. We grade every model against the recorded weather. See the NZ accuracy scoreboard for the full method.
What is the warmest month in Cromwell?
January is typically the warmest month in Cromwell, with average highs around 24°C.
How cold does Cromwell get?
The coldest month in Cromwell is July, when overnight lows average about 2°C.
How much rain does Cromwell get?
Cromwell sees roughly 1106 mm of precipitation a year, with September usually the wettest month.

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