Weather World
Sidney, ME Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Sidney Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY |
 |  |  |  | |  | | | | | | |
| Clear | Partly Sunny | Partly Cloudy | Chance of Showers | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Sunny |
| Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM EDT Tue Oct 06 2026 
Sidney Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Sidney Weather Map
Sidney Quick Facts
Sidney Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 236 PM EDT Tue Oct 6 2026
Key Messages
1. Coldest air mass of the season so far spreads overhead today and tonight. Frost is likely.
2. Warmer weather arrives for Wednesday and especially Thursday. A cold front may bring a few showers on Thursday.
3. High pressure likely over the weekend with seasonable temperatures. Low pressure may bring unsettled weather at the start of next week.
Discussion
... KEY MESSAGE 1 DESCRIPTION...
Today, satellite imagery shows mostly clear skies over NH and Maine south of the mountains. Upslope f...