Marine Weather Net

Williamsburg, VA Weather Forecast


Marine Forecast: James River


Williamsburg, Virginia

 Lat: 37.27N, Lon: 76.71W

Current Conditions Updated: 655 AM EDT FRI SEP 11 2026

Overcast
Temp: 74°F
  • Humidity:
  • 100%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.93 in.
  • Dewpoint:
  • 74°F
  • Heat index:
  • 74°F

  • Sunrise:
  • 6:43 AM EDT
  • Sunset:
  • 7:20 PM EDT
  • Moonrise:
  • 7:13 AM EDT
  • Moonset:
  • 7:30 PM EDT

TODAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 20%

SATURDAY

CHANCE OF SHOWERS
Hi: 89°F
Lo: 75°F
Precip: 50%

SUNDAY

CHANCE OF SHOWERS
Hi: 89°F
Lo: 70°F
Precip: 70%

MONDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 445 AM EDT Fri Sep 11 2026

Today...Partly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 80s. North winds 5 to 10 mph. Chance of rain 20 percent.
Tonight...Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 70s. East winds 5 to 10 mph. Chance of rain 20 percent.
Saturday...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 50 percent.
Saturday Night...Showers with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 80 percent.
Sunday...Mostly cloudy. Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 70 percent.
Sunday Night...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows around 70. Chance of rain 50 percent.
Monday...Mostly sunny. Highs in the upper 80s.
Monday Night...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s.
Tuesday...Mostly sunny. Highs in the mid 80s.
Tuesday Night...Mostly clear. Lows in the mid 60s.
Wednesday...Sunny. Highs in the upper 80s.
Wednesday Night...Clear. Lows in the mid 60s.
Thursday...Mostly sunny. Highs in the upper 80s.
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