Marine Weather Net

Williamsburg, VA Weather Forecast


Marine Forecast: James River


Williamsburg, Virginia

 Lat: 37.27N, Lon: 76.71W

Current Conditions Updated: 955 PM EDT THU JUL 10 2025

Mostly Clear
Temp: 75°F
  • Humidity:
  • 100%
  • Winds:
  • 3 MPH WNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.96 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 75°F

  • Sunrise:
  • 5:53 AM EDT
  • Sunset:
  • 8:28 PM EDT
  • Moonrise:
  • 8:52 PM EDT
  • Moonset:
  • 5:16 AM EDT

TONIGHT

CHANCE OF SHOWERS
Lo: 71°F
Precip: 50%

FRIDAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 30%

SATURDAY

PARTLY SUNNY
Hi: 90°F
Lo: 75°F
Precip: 30%

SUNDAY

PARTLY SUNNY
Hi: 89°F
Lo: 71°F
Weather Forecast In Detail:
Forecast Issued: 645 PM EDT Thu Jul 10 2025

FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY
Tonight...Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Some thunderstorms May produce heavy rainfall this evening. Lows in the lower 70s. Southwest winds around 5 mph this evening, becoming light and variable. Chance of rain 50 percent.
Friday...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph, becoming north in the afternoon. Chance of rain 30 percent. Heat index values up to 100.
Friday Night...Partly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.
Saturday...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Northeast winds around 5 mph. Chance of rain 30 percent.
Saturday Night...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 30 percent.
Sunday...Partly sunny. Highs in the upper 80s.
Sunday Night...Partly cloudy. Lows in the lower 70s.
Monday...Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.
Monday Night...Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the lower 70s. Chance of rain 60 percent.
Tuesday...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.
Tuesday Night...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 40 percent.
Wednesday...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent.
Wednesday Night...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Chance of rain 40 percent.
Thursday...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent.
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