Marine Weather Net

Williamsburg, VA Weather Forecast


Marine Forecast: James River


Williamsburg, Virginia

 Lat: 37.27N, Lon: 76.71W

Current Conditions Updated: 715 PM EDT WED JUL 8 2026

Overcast
Temp: 80°F
  • Humidity:
  • 78%
  • Winds:
  • 5 MPH VRB
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.98 in.
  • Dewpoint:
  • 73°F
  • Heat index:
  • 84°F

  • Sunrise:
  • 5:52 AM EDT
  • Sunset:
  • 8:28 PM EDT
  • Moonrise:
  • 12:37 AM EDT
  • Moonset:
  • 2:27 PM EDT

TONIGHT

CHANCE OF T-STORM
Lo: 71°F
Precip: 20%

THURSDAY

PARTLY SUNNY
Hi: 91°F
Lo: 75°F
Precip: 50%

FRIDAY

PARTLY SUNNY
Hi: 91°F
Lo: 75°F
Precip: 20%

SATURDAY

PARTLY SUNNY
Hi: 89°F
Lo: 70°F
Precip: 60%
Weather Forecast In Detail:
Forecast Issued: 645 PM EDT Wed Jul 08 2026

Tonight...Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southeast winds around 5 mph this evening, becoming light and variable. Chance of rain 20 percent.
Thursday...Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph. Chance of rain 50 percent. Heat index values up to 101.
Thursday Night...Mostly cloudy in the evening, then clearing. A chance of showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 40 percent.
Friday...Sunny in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. West winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100.
Friday Night...Partly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
Saturday...Partly sunny in the morning, then mostly cloudy with showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.
Saturday Night...Mostly cloudy. Showers and thunderstorms likely, mainly in the evening. Lows around 70. Chance of rain 60 percent.
Sunday...Partly sunny with a 30 percent chance of showers. Highs in the mid 80s.
Sunday Night...Partly cloudy. Lows in the upper 60s.
Monday...Partly sunny. Highs in the mid 80s.
Monday Night...Partly cloudy in the evening, then clearing. Lows in the mid 60s.
Tuesday...Mostly sunny. Highs in the upper 80s.
Tuesday Night...Clear. Lows in the upper 60s.
Wednesday...Sunny. Highs in the lower 90s.
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