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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

James City, PA
Saturday, July 4 at 8:34 AM
70
°
Partly Cloudy
Feels like
73°
Humidity
80%
Wind
7 mph
Sunrise
1:46 AM
Sunset
4:52 PM
James City, PA
Hour by hour · 24h
24-Hour ForecastJames City, PA: 24-hour forecast. Temperatures range from 66 to 87 degrees Fahrenheit with a 50% chance of precipitation at 7 PM.
L 66°H 87°
James City, PA
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    50%
    0.67″
    87°66°
  2. Sunday
    Jul 5
    Light Showers
    74%
    0.07″
    82°66°-5°
  3. Monday
    Jul 6
    Thunderstorm
    75%
    0.21″
    74°62°-8°
  4. Tuesday
    Jul 7
    Light Drizzle
    35%
    80°57°+6°
  5. Wednesday
    Jul 8
    Overcast
    11%
    83°57°+3°
  6. Thursday
    Jul 9
    Drizzle
    49%
    0.08″
    85°58°+2°
  7. Friday
    Jul 10
    Light Drizzle
    50%
    75°61°-10°
James City, PA
Anemometer · 24h winds · from true
NESW
From · True
W
272° · veering 15°
Direction
W
272°
Sustained
7
mph
Gust
17
mph
Peak 24h
23
avg 6
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 23 @ 1:00a
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 352SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 15° from the w.
James City, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
947.4
+2.0 mb in 3h · rising · 27.98 inHg
Now
947.4
mb
3h
+2.0
mb
12h
+0.4
mb
24h
-1.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 945950
940945950955-21h-18h-15h-12h-9h-6h-3h-24hNOW950.3945.2947.8
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
James City, PA
Air quality
46
AQI
Good
-2 in 6h

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.

PM 2.5Good
6.3μg/m³
PM 10Good
7μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
81μg/m³
UV IndexLow
1.1

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
James City, PA
Sky cover · visibility · 24h
Cloud cover
71%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
35.5mi
UNLIMITED
65 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
12:34 UTC · James City, PA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
12:34 UTC · James City, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
James City, PA
Satellite · infrared · animated
James City, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
James City, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:13 AM
Sunrise
1:46 AM
Daylight
15h 06m
Sunset
4:52 PM
Civil dusk
9:27 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
James City, PA
The moon
Waning Gibbous
81% illuminated
Moonrise
11:11 PM
Moonset
10:17 AM
In sign
♓︎ Pisces
James City, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Sat86°67°50%
  2. Sun82°66°74%
  3. Mon74°62°75%
  4. Tue80°57°35%
  5. Wed83°57°11%
  6. Thu85°58°49%
  7. Fri75°61°50%
  8. Sat83°62°31%
  9. Sun77°60°30%
  10. Mon75°58°18%
  11. Tue78°57°21%
  12. Wed81°62°32%
  13. Thu88°62°39%
  14. Fri84°64°49%
  15. Sat80°64°36%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.