Wiscasset, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wiscasset, a community in Lincoln County, Maine.
Overnight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. Wind around 0 mph.
7-day forecast for Wiscasset
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Cloudy | 0 mph | 5% |
| Wednesday | 70°F | Partly Sunny | 0 to 5 mph SW | 4% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph SW | 3% |
| Thursday | 67°F | Mostly Cloudy then Chance Light Rain | 5 to 15 mph SW | 36% |
| Thursday Night | 56°F | Slight Chance Light Rain | 5 to 10 mph SW | 17% |
| Friday | 68°F | Light Rain Likely | 0 to 5 mph S | 59% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph E | 93% |
| Saturday | 60°F | Light Rain | 5 to 10 mph E | 84% |
| Saturday Night | 43°F | Chance Light Rain | 5 mph N | 44% |
| Sunday | 54°F | Chance Light Rain | 5 to 10 mph NW | 39% |
| Sunday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 0 to 5 mph W | 16% |
| Monday | 53°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 23% |
| Monday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 5 mph W | 20% |
| Tuesday | 53°F | Mostly Sunny | 5 to 10 mph SW | 11% |
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 Nov 4, 2026.