Charlestown, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Charlestown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——91°71°—
- SundayJul 5Heavy Rain21%1.5″88°76°-3°
- MondayJul 6Light Drizzle22%—80°69°-8°
- TuesdayJul 7Overcast13%—81°65°+1°
- WednesdayJul 8Clear11%—84°62°+3°
- ThursdayJul 9Partly Cloudy29%—88°67°+4°
- FridayJul 10Drizzle54%0.11″88°72°0°
AQI 50 (Good), driven by Ozone. Ozone at AQI 90 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 90 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 90
- UV peak
- 2.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 90
PM × Wind × Precip
PM2.5 at 9.7 µg/m³, PM10 at 10.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:35 PM
- Moonset
- 10:50 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Charlestown at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 47111
16-Day Forecast — Charlestown
- Sat91°71°8%
- Sun88°75°21%
- Mon80°69°22%
- Tue81°65°13%
- Wed84°62°11%
- Thu88°67°29%
- Fri88°72°54%
- Sat83°67°45%
- Sun76°61°21%
- Mon77°56°12%
- Tue80°57°11%
- Wed83°58°19%
- Thu86°63°29%
- Fri86°67°29%
- Sat77°69°39%
- Sun78°66°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 — Charlestown
SPC has placed Charlestown in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Charlestown
- 47111