Marine Weather Net

Augusta, ME Weather Forecast


Marine Forecast: Casco Bay


Augusta, Maine

 Lat: 44.31N, Lon: 69.78W

Current Conditions Updated: 853 PM EDT MON SEP 14 2026

Clear


Temp: 54°F
  • Humidity:
  • 61%
  • Winds:
  • 8 MPH NW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.19 in.
  • Dewpoint:
  • 41°F
  • Heat index:
  • 54°F

  • Sunrise:
  • 6:14 AM EDT
  • Sunset:
  • 6:52 PM EDT
  • Moonrise:
  • 10:16 AM EDT
  • Moonset:
  • 8:03 PM EDT

TONIGHT

FOG
Lo: 41°F

TUESDAY

MOSTLY SUNNY
Hi: 69°F
Lo: 49°F

WEDNESDAY

PARTLY SUNNY
Hi: 75°F
Lo: 55°F

THURSDAY

PARTLY SUNNY
Hi: 75°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 500 PM EDT Mon Sep 14 2026

Tonight...Clear. Patchy fog after midnight. Lows in the lower 40s. Northwest winds around 10 mph with gusts up to 25 mph in the evening, becoming light and variable.
Tuesday...Mostly sunny. Highs in the upper 60s. Light and variable winds.
Tuesday Night...Partly cloudy. Lows in the upper 40s. Light and variable winds.
Wednesday...Partly sunny. Highs in the mid 70s. Light and variable winds.
Wednesday Night...Partly cloudy. Lows in the mid 50s.
Thursday...Partly sunny. Highs in the mid 70s.
Thursday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
Friday...Partly sunny. Highs in the lower 70s.
Friday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.
Saturday...Partly sunny. Highs in the upper 60s.
Saturday Night...Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of showers. Lows in the upper 40s.
Sunday...Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.
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