Marine Weather Net

Augusta, ME Weather Forecast


Marine Forecast: Casco Bay


Augusta, Maine

 Lat: 44.31N, Lon: 69.78W

Current Conditions Updated: 1253 AM EDT MON MAY 11 2026

Partly Cloudy
Temp: 48°F
  • Humidity:
  • 92%
  • Winds:
  • 6 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.99 in.
  • Dewpoint:
  • 46°F
  • Heat index:
  • 48°F

  • Sunrise:
  • 5:15 AM EDT
  • Sunset:
  • 7:53 PM EDT
  • Moonrise:
  • 2:33 AM EDT
  • Moonset:
  • 1:53 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 41°F

MONDAY

PARTLY SUNNY
Hi: 61°F
Lo: 37°F

TUESDAY

PARTLY SUNNY
Hi: 59°F
Lo: 35°F

WEDNESDAY

PARTLY SUNNY
Hi: 60°F
Lo: 41°F
Weather Forecast In Detail:
Forecast Issued: 923 PM EDT Sun May 10 2026

Rest Of Tonight...Areas of fog late this evening. Partly cloudy. Lows in the lower 40s. Light and variable winds.
Monday...Partly sunny. Highs in the lower 60s. Light and variable winds, becoming west around 10 mph in the afternoon.
Monday Night...Partly cloudy. Areas of frost after midnight. Lows in the upper 30s. Light and variable winds.
Tuesday...Partly sunny. Highs in the upper 50s. Northwest winds around 10 mph.
Tuesday Night...Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Northwest winds around 10 mph in the evening, becoming light and variable.
Wednesday...Partly sunny in the morning, then becoming mostly cloudy. Highs around 60.
Wednesday Night...Showers. Lows in the lower 40s. Chance of rain 90 percent.
Thursday...Showers. Highs in the mid 50s. Chance of rain 90 percent.
Thursday Night...Showers. Lows in the mid 40s. Chance of rain 90 percent.
Friday...Partly sunny with a 50 percent chance of showers. Highs in the lower 60s.
Friday Night...Partly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 30 percent.
Saturday...Partly sunny. Highs in the mid 60s.
Saturday Night...Partly cloudy in the evening, then clearing. Lows in the mid 40s.
Sunday...Mostly sunny. Highs in the upper 60s.
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