Marine Weather Net

Augusta, ME Weather Forecast


Marine Forecast: Casco Bay


Augusta, Maine

 Lat: 44.31N, Lon: 69.78W

Current Conditions Updated: 1053 PM EDT SUN JUN 21 2026

Clear


Temp: 60°F
  • Humidity:
  • 92%
  • Winds:
  • 5 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.91 in.
  • Dewpoint:
  • 58°F
  • Heat index:
  • 60°F

  • Sunrise:
  • 4:54 AM EDT
  • Sunset:
  • 8:25 PM EDT
  • Moonrise:
  • 1:40 PM EDT
  • Moonset:
  • 12:31 AM EDT

TONIGHT

CHANCE OF T-STORM
Lo: 55°F
Precip: 50%

MONDAY

CHANCE OF RAIN
Hi: 75°F
Lo: 55°F
Precip: 20%

TUESDAY

PARTLY SUNNY
Hi: 71°F
Lo: 55°F
Precip: 90%

WEDNESDAY

MOSTLY SUNNY
Hi: 80°F
Lo: 59°F
Weather Forecast In Detail:
Forecast Issued: 834 PM EDT Sun Jun 21 2026

Tonight...Partly cloudy. Scattered showers and thunderstorms this evening. Areas of fog after midnight. Lows in the mid 50s. Light and variable winds. Chance of rain 50 percent.
Monday...Mostly cloudy. Areas of fog in the morning. A slight chance of rain in the afternoon. Highs in the mid 70s. Light and variable winds, becoming south around 10 mph in the afternoon. Chance of rain 20 percent.
Monday Night...Rain. Patchy fog after midnight. Lows in the mid 50s. South winds around 10 mph in the evening, becoming light and variable. Chance of rain near 100 percent.
Tuesday...Patchy fog in the morning. Cloudy with rain in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the lower 70s. Light and variable winds. Chance of rain 90 percent.
Tuesday Night...Mostly clear. Patchy fog after midnight. Lows in the mid 50s.
Wednesday...Patchy fog in the morning. Mostly sunny. Highs around 80.
Wednesday Night...Mostly clear. Lows in the upper 50s.
Thursday...Partly sunny. A chance of showers in the afternoon. Highs around 80. Chance of rain 50 percent.
Thursday Night...Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50 percent.
Friday...Showers likely. Highs in the lower 70s. Chance of rain 70 percent.
Friday Night...Becoming partly cloudy after midnight. Showers likely, mainly in the evening. Lows around 60. Chance of rain 70 percent.
Saturday...Partly sunny. A chance of showers in the afternoon. Highs around 80. Chance of rain 50 percent.
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