Calais, ME Weather & Growing Conditions
Tonight
43°F
Light Rain
Rain. Cloudy, with a low around 43. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Light Rain | 5 mph SE | 86% |
| Wednesday | 64°F | Light Rain then Mostly Cloudy | 3 mph S | 82% |
| Wednesday Night | 46°F | Mostly Cloudy | 1 mph S | 7% |
| Thursday | 68°F | Partly Sunny | 1 to 6 mph S | 12% |
| Thursday Night | 55°F | Slight Chance Light Rain | 5 mph SW | 22% |
| Friday | 66°F | Light Rain Likely | 3 mph S | 56% |
| Friday Night | 49°F | Light Rain | 3 mph E | 86% |
| Saturday | 58°F | Light Rain | 7 mph E | 86% |
| Saturday Night | 44°F | Light Rain | 5 mph SE | 79% |
| Sunday | 56°F | Light Rain Likely | 6 mph W | 65% |
| Sunday Night | 36°F | Chance Light Rain | 2 mph W | 38% |
| Monday | 53°F | Chance Light Rain | 5 mph W | 29% |
| Monday Night | 32°F | Chance Light Rain | 3 mph W | 27% |
| Tuesday | 51°F | Chance Light Rain | 7 mph W | 29% |
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 Nov 4, 2026.