West Lafayette, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
West Lafayette weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain52%0.55″89°71°—
- SundayJul 5Overcast27%—83°69°-6°
- MondayJul 6Light Drizzle17%—82°67°-1°
- TuesdayJul 7Overcast——80°62°-2°
- WednesdayJul 8Clear——82°62°+2°
- ThursdayJul 9Thunderstorm45%0.02″83°67°+1°
- FridayJul 10Light Drizzle41%0.01″78°69°-5°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.90 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 49 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 32 around 1 PM.
- Present
- AQI 49
- UV peak
- 5.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 32
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.90 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:43 PM
- Moonset
- 10:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
West Lafayette at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 47906, 47907
16-Day Forecast — West Lafayette
- Sat89°71°52%
- Sun83°69°27%
- Mon82°67°17%
- Tue80°62°5%
- Wed82°62°4%
- Thu83°67°45%
- Fri78°69°41%
- Sat83°65°17%
- Sun71°61°9%
- Mon70°58°11%
- Tue74°59°11%
- Wed81°62°23%
- Thu83°66°33%
- Fri81°69°32%
- Sat86°67°23%
- Sun84°71°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — West Lafayette
SPC has placed West Lafayette in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in West Lafayette
- 47906
- 47907
- 47996