Marine Weather Net

Williamsburg, VA Weather Forecast


Marine Forecast: James River


Williamsburg, Virginia

 Lat: 37.27N, Lon: 76.71W

Current Conditions Updated: 1115 PM EDT WED JUN 17 2026

Fair
Temp: 80°F
  • Humidity:
  • 71%
  • Winds:
  • 10 MPH SSE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.79 in.
  • Dewpoint:
  • 70°F
  • Heat index:
  • 83°F

  • Sunrise:
  • 5:44 AM EDT
  • Sunset:
  • 8:28 PM EDT
  • Moonrise:
  • 8:21 AM EDT
  • Moonset:
  • 11:13 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 71°F

THURSDAY

PARTLY SUNNY
Hi: 99°F
Lo: 71°F
Precip: 20%

JUNETEENTH

CHANCE OF T-STORM
Hi: 85°F
Lo: 65°F
Precip: 70%

SATURDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 845 PM EDT Wed Jun 17 2026

Rest Of Tonight...Partly cloudy. Lows in the lower 70s. Southeast winds 5 to 10 mph, becoming south.
Thursday...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 103.
Thursday Night...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 70s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 50 percent. Heat index values up to 101 early in the evening.
Juneteenth...Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. West winds around 5 mph. Chance of rain 70 percent.
Friday Night...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 60s. Northwest winds around 5 mph. Chance of rain 20 percent.
Saturday...Mostly sunny. Highs in the mid 80s.
Saturday Night...Clear. Lows in the mid 60s.
Sunday...Mostly sunny. Highs around 90.
Sunday Night...Partly cloudy. Lows in the upper 60s.
Monday...Partly sunny in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 70 percent.
Monday Night...Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 70 percent.
Tuesday...Partly sunny. Highs in the mid 80s.
Tuesday Night...Mostly clear. Lows in the mid 60s.
Wednesday...Mostly sunny. Highs in the mid 80s.
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