James City, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
James City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain50%0.67″87°66°—
- SundayJul 5Light Showers74%0.07″82°66°-5°
- MondayJul 6Thunderstorm75%0.21″74°62°-8°
- TuesdayJul 7Light Drizzle35%—80°57°+6°
- WednesdayJul 8Overcast11%—83°57°+3°
- ThursdayJul 9Drizzle49%0.08″85°58°+2°
- FridayJul 10Light Drizzle50%—75°61°-10°
AQI 46 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 38 now. With UV 3.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 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 38 now. With UV 3.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 38
- UV peak
- 3.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 6.3 µg/m³, PM10 at 6.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- 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
- 11:11 PM
- Moonset
- 10:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
James City at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16734
16-Day Forecast — James City
- Sat86°67°50%
- Sun82°66°74%
- Mon74°62°75%
- Tue80°57°35%
- Wed83°57°11%
- Thu85°58°49%
- Fri75°61°50%
- Sat83°62°31%
- Sun77°60°30%
- Mon75°58°18%
- Tue78°57°21%
- Wed81°62°32%
- Thu88°62°39%
- Fri84°64°49%
- Sat80°64°36%
- Sun84°57°41%
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 — James City
SPC has placed James City in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 James City
- 16734