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Forecast confidence: High · models disagree by 3°F

West Lafayette weather

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Cloudy,much the same tomorrow

NWS, the American and the European model agree on a high near 71° in West Lafayette today. Tomorrow: cloudy, around 73°, with a 2% chance of rain.

71°45°
73°46°
72°50°
70°51°
74°53°
75°52°
Todaymodels agreeTomorrowsplit ±4°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
NWSNational Blend (NBM)
72°
Partly cloudy
Today 72°·Low 45°·Rain 1%
AmericanNOAA GFS
71°
Cloudy
Today 71°·Low 43°·Rain 1%
EuropeanECMWF
69°
Cloudy
Today 69°·Low 47°·Rain 0%
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West Lafayette weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering West Lafayette…

West Lafayette weather in numbers

measured normals and 10 years of recorded weather

West Lafayette swings 61°F across the year, from 82°F highs in June to 21°F lows in February, and May is usually the wettest month in a year that brings about 41 in of precipitation. Over 10 years of recorded weather it averages 117 days a year at 77°F or above, 40 of them at 86°F or above, 99 frost nights, and rain on 125 days.

Warmest month
June
82°F average high
Coldest month
February
21°F average low
Wettest month
May
41 in a year
Comfortable
3 months
April, September and October
Residents
46,000
share this forecast
Most accurate here
European
96/100 CheckWeather Score
Warm days
117 days
a year at 77°F or above
Frost nights
99 nights
a year below 32°F
Rain days
125 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for West Lafayette’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

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
71° 45°
models agree
Tomorrow
Cloudy
73° 46°
±4°
Mon
Cloudy
72° 50°
models agree
Tue
Cloudy
70° 51°
models agree
Wed
Cloudy
74° 53°
models agree
Thu
Mostly clear
75° 52°
models agree
Fri
Cloudy
73° 50°
models agree
Sat
Light drizzle
72° 54°
models agree
Sun
Heavy drizzle
68° 55°
±9°
Mon
Light rain
62° 45°
±8°
Tue
Cloudy
53° 42°
models agree
Wed
Cloudy
54° 41°
models agree
Thu
Cloudy
59° 42°
±15°

West Lafayette, Indiana (IN) is at its warmest in Jun (average highs near 82°F) and coldest in Feb (lows around 21°F), with roughly 41 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 (1991-2020)
Jan
35°
23°
Feb
41°
21°
Mar
50°
31°
Apr
61°
41°
May
72°
51°
Jun
82°
61°
Jul
82°
64°
Aug
81°
63°
Sep
76°
56°
Oct
63°
45°
Nov
49°
34°
Dec
38°
26°

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

How the weather around West Lafayette has changed since 1995

West Lafayette sits in the same roughly 50 km square of NASA's reanalysis as Lafayette. That square ran 1.6°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Lafayette page.

Which forecast is most accurate in West Lafayette?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
96
/100rank #1
95±0.5°F98±0.7 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
83±1.7°F96±1.3 mph7687% 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±3°69° to 72°±1%0% to 1% chance
Tomorrow±4°70° to 75°±2%0% to 2% chance
Mon±3°71° to 74°models agree0% to 0% chance
Tue±2°70° to 72°±4%0% to 4% chance
Wed±3°72° to 75°±6%2% to 8% 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
08:08
Sunset
18:54
Daylight
10h 46m

Common questions

What's the weather in West Lafayette today?
Saturday, October 24: NWS, the American and the European model agree on a high near 71° in West Lafayette today. Tomorrow: cloudy, around 73°, with a 2% chance of rain. The forecast on this page refreshes live.
Will it rain in West Lafayette today or tomorrow?
Rain looks unlikely in West Lafayette on Sunday, October 25: no model gives more than 2% (NWS 2%, American 2%, European 0%). On Saturday, October 24 the highest chance of rain from any model is 1%. The hourly strip and the model-by-model rain panel above update live.
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 96/100), ahead of the American at 84. 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 82°F.
How cold does West Lafayette get?
The coldest month in West Lafayette is February, when overnight lows average about 21°F.
How much rain does West Lafayette get?
West Lafayette sees roughly 41 in of precipitation a year, with May usually the wettest month.

Nearby

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