Weather StoryAlmanac, microseasons, and the day's weather story.

Williamsburg, Ohio Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Williamsburg weather forecast — hour by hour, 7-day outlook, NOAA radar

Williamsburg, OH
Saturday, July 4 at 11:12 AM
84
°
Clear
Feels like
92°
Humidity
62%
Wind
6 mph
Sunrise
2:15 AM
Sunset
5:05 PM
Williamsburg, OH
Hour by hour · 24h
24-Hour ForecastWilliamsburg, OH: 24-hour forecast. Temperatures range from 72 to 93 degrees Fahrenheit.
L 72°H 93°
Williamsburg, OH
7-day forecast
  1. Today
    Jul 4
    Partly Cloudy
    13%
    93°74°
  2. Sunday
    Jul 5
    Heavy Rain
    37%
    2.6″
    89°72°-4°
  3. Monday
    Jul 6
    Thunderstorm
    54%
    84°69°-5°
  4. Tuesday
    Jul 7
    Overcast
    17%
    80°64°-4°
  5. Wednesday
    Jul 8
    Overcast
    12%
    88°65°+8°
  6. Thursday
    Jul 9
    Overcast
    41%
    87°67°-1°
  7. Friday
    Jul 10
    Light Drizzle
    61%
    79°70°-8°
Williamsburg, OH
Anemometer · 24h winds · from true
NESW
From · True
SSW
197° · backing 51°
Direction
SSW
197°
Sustained
6
mph
Gust
8
mph
Peak 24h
17
avg 4
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 4 · pk 17 @ 5:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 144SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Williamsburg, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.2
-1.5 mb in 3h · falling · 29.15 inHg
Now
987.2
mb
3h
-1.5
mb
12h
-1.3
mb
24h
-3.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 987992
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW991.7987.2987.2
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Williamsburg, OH
Air quality
55
AQI
Moderate
-2 in 6hPeak ~91 @ 9 PM

AQI 55 (Moderate), driven by Ozone. Ozone at AQI 100 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 74 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.

PM 2.5Good
11.8μg/m³
PM 10Good
13μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy SG
138μg/m³
UV IndexModerate
4.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 100 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 74 around 1 PM.

Present
AQI 100
UV peak
5.5 at 1 PM
Sky at peak
clear
Projected peak
AQI 74

PM × Wind × Precip

PM2.5 at 11.8 µg/m³ (AQI 56) with a 0.89 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.89
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Williamsburg, OH
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
57.1mi
UNLIMITED
63 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
15:12 UTC · Williamsburg, OH · 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
15:12 UTC · Williamsburg, OH · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Williamsburg, OH
Satellite · infrared · animated
Williamsburg, OH
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Williamsburg, OH
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:44 AM
Sunrise
2:15 AM
Daylight
14h 50m
Sunset
5:05 PM
Civil dusk
9:38 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Williamsburg, OH
The moon
Waning Gibbous
81% illuminated
Moonrise
11:29 PM
Moonset
10:42 AM
In sign
♓︎ Pisces
Williamsburg, OH
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Williamsburg at a glance

  • Today vs. normal: 11°F above the seasonal normal for this latitude
  • Last frost: April 10 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 45176

16-Day Forecast — Williamsburg

  1. Sat93°74°13%
  2. Sun89°72°37%
  3. Mon84°69°54%
  4. Tue80°64°17%
  5. Wed88°65°12%
  6. Thu87°67°41%
  7. Fri79°70°61%
  8. Sat83°66°45%
  9. Sun77°62°20%
  10. Mon69°56°13%
  11. Tue76°62°15%
  12. Wed82°63°26%
  13. Thu87°66°26%
  14. Fri86°70°21%
  15. Sat84°69°32%
  16. Sun88°71°32%

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 — Williamsburg

SPC has placed Williamsburg 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 Williamsburg

  • 45103
  • 45176

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.