New Castle, Virginia 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 15Overcast35%—76°64°—
- TuesdayJun 16Overcast——85°57°+9°
- WednesdayJun 17Overcast——88°64°+3°
- ThursdayJun 18Thunderstorm53%0.07″89°67°+1°
- FridayJun 19Light Drizzle53%0.02″84°64°-5°
- SaturdayJun 20Overcast15%—77°55°-7°
- SundayJun 21Light Drizzle15%—86°56°+9°
AQI 34 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 37 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.
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 37 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.
- Present
- AQI 37
- UV peak
- 5.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 27
PM × Wind × Precip
PM2.5 at 4.5 µg/m³, PM10 at 4.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- 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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:01 AM
- Moonset
- 8:55 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
New Castle at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 1 (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
- Mon76°64°35%
- Tue85°57°4%
- Wed88°64°2%
- Thu89°67°53%
- Fri84°64°53%
- Sat77°55°15%
- Sun86°56°15%
- Mon77°62°40%
- Tue77°58°34%
- Wed75°57°22%
- Thu84°55°27%
- Fri89°57°26%
- Sat86°63°29%
- Sun95°69°40%
- Mon94°71°43%
- Tue90°70°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.
ZIP codes in New Castle
- 24127