Derby, ME Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Derby Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Thunderstorms | Chance of T-Storm | Chance of Showers | Patchy Fog | Patchy Fog | Partly Cloudy | Partly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 41°FLo: 5°C |
| POP: 90% | POP: 40% | POP: 20% | POP: 30% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Sun Sep 13 2026 

Derby Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Derby Weather Map
Derby Quick Facts
Derby Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 130 AM EDT Sun Sep 13 2026
Key Messages
1) Showers today into Monday morning. Rainfall will have minimal impact on the drought.
2) Patchy/areas of frost possible across northern areas Monday night.
3) Chance for rain showers by late next week.
Discussion
... KEY MESSAGE 1...Showers today into Monday morning. Rainfall will have minimal impact on the drought.
KEY MESSAGE 1 DESCRIPTION... Low pressure begins to develop in the Mid-Atlantic region and a cold front crosses Quebec Province today. Clouds will increase early this mornin...
Weather World