New Castle, Kentucky Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
New Castle weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——75°58°—
- TuesdayJun 16Rain30%0.33″81°55°+6°
- WednesdayJun 17Thunderstorm30%—78°58°-3°
- ThursdayJun 18T-storm w/ Hvy Hail67%0.17″79°62°+1°
- FridayJun 19Light Drizzle53%—73°55°-6°
- SaturdayJun 20Overcast——75°52°+2°
- SundayJun 21Light Rain36%0.28″66°61°-9°
AQI 23 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.94 fine-to-coarse ratio and 5 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 7 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.94 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- light
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:19 AM
- Moonset
- 9:19 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
New Castle at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — New Castle
- Mon75°58°1%
- Tue81°55°30%
- Wed78°58°30%
- Thu79°62°67%
- Fri73°55°53%
- Sat75°52°3%
- Sun66°61°36%
- Mon71°61°47%
- Tue74°51°40%
- Wed79°54°15%
- Thu80°58°10%
- Fri84°66°19%
- Sat89°70°26%
- Sun88°72°32%
- Mon92°72°36%
- Tue86°69°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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