Troy, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Troy weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast22%—89°70°—
- SundayJul 5Heavy Drizzle44%0.04″86°73°-3°
- MondayJul 6Thunderstorm44%—86°70°0°
- TuesdayJul 7Overcast20%—84°68°-2°
- WednesdayJul 8Clear31%—85°66°+1°
- ThursdayJul 9Thunderstorm37%—88°68°+3°
- FridayJul 10Thunderstorm52%0.52″80°70°-8°
AQI 48 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.88 fine-to-coarse ratio and 4 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
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 6.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 22 around 1 PM.
- Present
- AQI 39
- UV peak
- 6.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.88 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- 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
- 10:39 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Troy at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 47588
16-Day Forecast — Troy
- Sat89°70°22%
- Sun86°73°44%
- Mon86°70°44%
- Tue84°68°20%
- Wed85°66°31%
- Thu88°68°37%
- Fri80°70°52%
- Sat86°72°35%
- Sun77°64°16%
- Mon73°58°13%
- Tue78°60°7%
- Wed80°63°11%
- Thu84°66°16%
- Fri79°70°19%
- Sat83°71°39%
- Sun83°73°42%
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 — Troy
SPC includes Troy in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Troy
- 47588