Wiscasset, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wiscasset, a community in Lincoln County, Maine.
This Afternoon
66°F
Sunny
Sunny, with a high near 66. Southwest wind around 5 mph.
7-day forecast for Wiscasset
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Sunny | 5 mph SW | 0% |
| Tonight | 44°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 61°F | Mostly Cloudy then Light Rain Likely | 0 to 10 mph SE | 70% |
| Sunday Night | 45°F | Rain Likely | 0 to 5 mph NE | 70% |
| Monday | 68°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Monday Night | 42°F | Partly Cloudy | 5 mph N | 0% |
| Tuesday | 64°F | Mostly Sunny | 5 mph NE | 0% |
| Tuesday Night | 43°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Wednesday | 65°F | Sunny | 5 to 10 mph NE | 0% |
| Wednesday Night | 42°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Thursday | 65°F | Mostly Sunny then Slight Chance Rain Showers | 5 mph NE | 15% |
| Thursday Night | 44°F | Slight Chance Rain Showers | 0 to 10 mph NE | 20% |
| Friday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Friday Night | 46°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
Forecast source: National Weather Service (api.weather.gov) for Wiscasset (44.011, -69.678). Updated through the day.
Growing snapshot for Wiscasset
Last spring frost
May 8
First fall frost
Oct 7
Growing season
151 days
Hardiness zone
5b
More local growing data for Wiscasset: nearby ZIP 04578 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wiscasset Ap, Me (1.6 mi from Wiscasset). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.