New Castle, Kentucky Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
New Castle weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——91°69°—
- SundayJul 5Thunderstorm28%0.09″88°74°-3°
- MondayJul 6Light Drizzle19%—78°68°-10°
- TuesdayJul 7Overcast13%—79°64°+1°
- WednesdayJul 8Clear10%—84°63°+5°
- ThursdayJul 9Overcast25%—88°66°+4°
- FridayJul 10Light Showers53%0.25″89°72°+1°
AQI 41 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 76 — 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 76 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 76
- UV peak
- 5.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 76
PM × Wind × Precip
PM2.5 at 6.0 µg/m³, PM10 at 6.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- 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
- 11:33 PM
- Moonset
- 10:48 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
New Castle at a glance
- Today vs. normal: 16°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: 40050
16-Day Forecast — New Castle
- Sat91°69°8%
- Sun88°74°28%
- Mon78°68°19%
- Tue79°64°13%
- Wed84°63°10%
- Thu88°66°25%
- Fri89°72°53%
- Sat80°66°46%
- Sun77°60°21%
- Mon77°55°12%
- Tue79°56°14%
- Wed83°58°18%
- Thu84°63°29%
- Fri87°67°31%
- Sat76°68°30%
- Sun80°66°40%
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 — New Castle
SPC has placed New Castle 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 New Castle
- 40058
- 40050