Marine Weather Net

Augusta, ME Weather Forecast


Marine Forecast: Casco Bay


Augusta, Maine

 Lat: 44.31N, Lon: 69.78W

Current Conditions Updated: 1153 PM EDT MON JUL 13 2026

Overcast
Temp: 69°F
  • Humidity:
  • 86%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.99 in.
  • Dewpoint:
  • 65°F
  • Heat index:
  • 69°F

  • Sunrise:
  • 5:06 AM EDT
  • Sunset:
  • 8:20 PM EDT
  • Moonrise:
  • 4:58 AM EDT
  • Moonset:
  • 8:58 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 65°F
Precip: 50%

TUESDAY

PARTLY SUNNY
Hi: 91°F
Lo: 67°F

WEDNESDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 61°F

THURSDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 59°F
Weather Forecast In Detail:
Forecast Issued: 654 PM EDT Mon Jul 13 2026

HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY
Tonight...Mostly cloudy with a chance of showers this evening, then partly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. South winds around 10 mph with gusts up to 20 mph this evening, becoming light and variable. Chance of rain 50 percent.
Tuesday...Partly sunny. Hot with highs in the lower 90s. Southwest winds around 10 mph. Heat index values in the upper 90s in the afternoon.
Tuesday Night...Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms May be severe with damaging winds and large hail. Humid with lows in the upper 60s. West winds around 10 mph. Chance of rain 70 percent. Heat index values in the upper 90s early in the evening.
Wednesday...Mostly sunny. Warm with highs in the upper 80s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Wednesday Night...Mostly clear. Lows in the lower 60s. West winds around 10 mph with gusts up to 25 mph in the evening, becoming light and variable.
Thursday...Mostly sunny. Highs in the mid 80s.
Thursday Night...Partly cloudy in the evening, then clearing. Lows in the upper 50s.
Friday...Mostly sunny. Highs in the upper 70s.
Friday Night...Mostly clear. Lows in the upper 50s.
Saturday...Partly sunny. Highs in the lower 80s.
Saturday Night...Partly cloudy. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 40 percent.
Sunday...Partly sunny. A chance of showers in the morning. Highs around 80. Chance of rain 30 percent.
Sunday Night...Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 30 percent.
Monday...Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.
SHARE THIS PAGE: