Marine Weather Net

Williamsburg, VA Weather Forecast


Marine Forecast: James River


Williamsburg, Virginia

 Lat: 37.27N, Lon: 76.71W

Current Conditions Updated: 935 AM EDT WED AUG 19 2026

Clear


Temp: 83°F
  • Humidity:
  • 71%
  • Winds:
  • 5 MPH VRB
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.93 in.
  • Dewpoint:
  • 72°F
  • Heat index:
  • 88°F

  • Sunrise:
  • 6:25 AM EDT
  • Sunset:
  • 7:52 PM EDT
  • Moonrise:
  • 1:47 PM EDT
  • Moonset:
  • 11:26 PM EDT

REST OF TODAY

MOSTLY SUNNY
Hi: 90°F
Lo: 71°F

THURSDAY

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

FRIDAY

CHANCE OF SHOWERS
Hi: 85°F
Lo: 69°F
Precip: 70%

SATURDAY

CHANCE OF T-STORM
Hi: 85°F
Lo: 70°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 945 AM EDT Wed Aug 19 2026

Rest Of Today...Mostly sunny. Highs around 90. Northwest winds around 5 mph.
Tonight...Clear. Lows in the lower 70s. Southeast winds around 5 mph, becoming south after midnight.
Thursday...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 102.
Thursday Night...Showers likely. A chance of thunderstorms, mainly in the evening. Humid with lows around 70. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent.
Friday...Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Northeast winds around 5 mph. Chance of rain 70 percent.
Friday Night...Showers with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 90 percent.
Saturday...Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 90 percent.
Saturday Night...Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows around 70. Chance of rain 70 percent.
Sunday...Partly sunny. Highs in the upper 80s.
Sunday Night...Partly cloudy. Lows in the upper 60s.
Monday...Mostly sunny. Highs in the mid 80s.
Monday Night...Mostly clear. Lows in the upper 60s.
Tuesday...Mostly sunny. Highs in the mid 80s.
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