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Town of Etna, MEEtna, ME Weather Forecast
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Etna Weather Forecast
| OVERNIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 | | | | | |  |  |  |  | | |
| Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C |
| POP: 30% | POP: 30% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 958 PM EDT Tue Sep 22 2026 
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Issued: 147 AM EDT Wed Sep 23 2026
Key Messages
1) Potential for frost tonight across the north.
2) A coastal low could impact at least Downeast Maine late this week.
Discussion
... KEY MESSAGE 1...Potential for frost tonight across the north.
KEY MESSAGE 1 DESCRIPTION... 1036mb sfc high continues to sit acrs the north and west tonight with clear skies and light winds, leading to frost and river valley fog. Given a modifying airmass temps are not expected to be as low as this morning but northern areas could definitely drop to the fre...