West Lafayette, Ohio Weather
Cicadas claim the 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 4Overcast28%—94°69°—
- SundayJul 5Drizzle71%0.06″88°71°-6°
- MondayJul 6T-storm w/ Hail65%—78°67°-10°
- TuesdayJul 7Overcast22%—81°65°+3°
- WednesdayJul 8Overcast11%—87°62°+6°
- ThursdayJul 9Light Drizzle48%—81°64°-6°
- FridayJul 10Overcast48%—84°64°+3°
AQI 41 (Good), driven by PM2.5. AQI down 22 over the last 6 hours — air quality is improving sharply. PM2.5 at 10.4 µg/m³ (AQI 53) with a 0.94 fine-to-coarse ratio and 2 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.
What's driving it
PM × Wind × Precip
PM2.5 at 10.4 µg/m³ (AQI 53) with a 0.94 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- 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
- 11:21 PM
- Moonset
- 10:31 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
West Lafayette at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 43845
15-Day Forecast — West Lafayette
- Sat94°69°28%
- Sun88°71°71%
- Mon78°67°65%
- Tue81°65°22%
- Wed87°62°11%
- Thu81°64°48%
- Fri84°64°48%
- Sat82°62°40%
- Sun82°64°26%
- Mon84°59°12%
- Tue83°63°11%
- Wed76°58°32%
- Thu85°57°32%
- Fri81°61°59%
- Sat80°64°36%
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
- 43845