Calais, ME Weather & Growing Conditions
Today
63°F
Sunny
Sunny, with a high near 63. Northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Sunny | 7 mph NW | 0% |
| Tonight | 41°F | Partly Cloudy | 2 mph NE | 0% |
| Sunday | 59°F | Mostly Cloudy then Chance Rain Showers | 2 to 7 mph SE | 25% |
| Sunday Night | 41°F | Chance Rain Showers | 0 to 5 mph SE | 51% |
| Monday | 62°F | Patchy Fog then Mostly Sunny | 1 to 7 mph N | 10% |
| Monday Night | 39°F | Partly Cloudy | 6 mph N | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 mph N | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 3 mph N | 0% |
| Wednesday | 65°F | Sunny | 2 mph NE | 0% |
| Wednesday Night | 39°F | Mostly Clear | 1 mph NE | 0% |
| Thursday | 65°F | Mostly Sunny | 2 mph NE | 14% |
| Thursday Night | 41°F | Chance Rain Showers | 2 mph NE | 26% |
| Friday | 64°F | Chance Rain Showers | 2 to 6 mph NE | 26% |
| Friday Night | 42°F | Chance Rain Showers | 7 mph NE | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Calais, ME
Last spring frost
May 5
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
5b
Explore more for Calais, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Robbinston, Me (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.