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Forecast confidence: High · models disagree by 1°F

West Lafayette weather

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Cloudy,rain likely tomorrow

NWS, the American and the European model agree on a high near 78° in West Lafayette today. Tomorrow looks heavy drizzle around 80°, with a 71% chance of rain.

78°69°
80°66°
79°66°
66°59°
65°55°
65°55°
Todaymodels agreeTomorrowmodels agreeSundaysplit ±6°Mondaymodels agreeTuesdaymodels agreeWednesdaysplit ±5°
NWSNational Blend (NBM)
77°
Drizzle
Today 77°·Low 69°·Rain 26%
AmericanNOAA GFS
77°
Cloudy
Today 77°·Low 68°·Rain 26%
EuropeanECMWF
79°
Cloudy
Today 79°·Low 71°·Rain 100%
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West Lafayette weather alerts and warnings

active National Weather Service watches, warnings and advisories

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West Lafayette weather in numbers

from 30 years of measured normals

West Lafayette swings 57°F across the year, from 83°F highs in June to 26°F lows in January, and April is usually the wettest month in a year that brings about 36 in of precipitation.

Warmest month
June
83°F average high
Coldest month
January
26°F average low
Wettest month
April
36 in a year
Below freezing
3 months
January, February and December
Comfortable
2 months
May and October
Residents
46,000
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The weather map: all three models at once

NWS, American, European side by side around West Lafayette and nearby towns.Live rain radar →
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West Lafayette 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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West Lafayette 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
78° 69°
models agree
Tomorrow
Heavy drizzle
80° 66°
models agree
Sun
Heavy drizzle
79° 66°
±6°
Mon
Light rain
66° 59°
models agree
Tue
Light drizzle
65° 55°
models agree
Wed
Cloudy
65° 55°
±5°
Thu
Light drizzle
68° 56°
±6°
Fri
Mostly clear
69° 58°
±6°
Sat
Cloudy
71° 54°
±7°
Sun
Cloudy
73° 52°
±9°
Mon
Light drizzle
72° 53°
±9°
Tue
Rain
59° 53°
±12°
Wed
Light drizzle
62° 46°
models agree
Thu
Cloudy
69° 46°
models agree

West Lafayette, Indiana (IN) is at its warmest in Jun (average highs near 83°F) and coldest in Jan (lows around 26°F), with roughly 36 in of precipitation across the year. Below, compare what NWS, American, European forecast for West Lafayette 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 United States before you trust any single number.

West Lafayette climate by month

average daytime high and overnight low across a typical year
Jan
38°
26°
Feb
49°
29°
Mar
53°
34°
Apr
63°
43°
May
75°
54°
Jun
83°
62°
Jul
83°
65°
Aug
82°
64°
Sep
79°
59°
Oct
67°
49°
Nov
53°
38°
Dec
43°
31°

Which forecast is most accurate in West Lafayette?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
95
/100rank #1
94±0.6°F98±0.7 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
70
/100rank #2
90±1.0°F96±1.3 mph2961% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, 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 United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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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°77° to 79°±74%26% to 100% chance
Tomorrow±3°79° to 82°±38%33% to 71% chance
Sun±6°76° to 82°±13%49% to 62% chance
Mon±4°64° to 68°±7%59% to 66% chance
Tue±2°65° to 67°±22%11% to 33% 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 West Lafayette

today, local time
Sunrise
07:31
Sunset
19:51
Daylight
12h 20m

Common questions

What's the weather in West Lafayette today?
On this page we show what NWS, American, European each forecast for West Lafayette 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 West Lafayette today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for West Lafayette 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 West Lafayette?
Over the last 30 days, the European model has been the most accurate for West Lafayette (CheckWeather Score 95/100), ahead of the American at 70. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in West Lafayette?
June is typically the warmest month in West Lafayette, with average highs around 83°F.
How cold does West Lafayette get?
The coldest month in West Lafayette is January, when overnight lows average about 26°F.
How much rain does West Lafayette get?
West Lafayette sees roughly 36 in of precipitation a year, with April usually the wettest month.

Nearby

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