Calais, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calais, a city in Washington County, Maine.
This Afternoon
57°F
Light Rain Likely
Rain likely. Cloudy. High near 57, with temperatures falling to around 49 in the afternoon. East wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Calais
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Light Rain Likely | 3 mph E | 63% |
| Tonight | 44°F | Light Rain | 5 mph SE | 90% |
| Wednesday | 64°F | Light Rain then Partly Sunny | 1 to 5 mph SW | 85% |
| Wednesday Night | 47°F | Mostly Cloudy | 1 mph NW | 0% |
| Thursday | 67°F | Partly Sunny | 1 to 6 mph S | 4% |
| Thursday Night | 54°F | Slight Chance Light Rain | 5 mph SW | 17% |
| Friday | 67°F | Chance Light Rain | 3 mph S | 50% |
| Friday Night | 47°F | Light Rain | 1 to 5 mph E | 81% |
| Saturday | 58°F | Light Rain | 7 mph NE | 85% |
| Saturday Night | 43°F | Light Rain | 5 mph NE | 79% |
| Sunday | 55°F | Light Rain Likely | 5 mph N | 65% |
| Sunday Night | 37°F | Chance Light Rain | 2 mph NW | 41% |
| Monday | 54°F | Chance Light Rain | 5 mph NW | 29% |
| Monday Night | 36°F | Chance Light Rain | 3 mph NW | 38% |
Forecast source: National Weather Service (api.weather.gov) for Calais (45.143, -67.218). Updated through the day.
Growing snapshot for Calais
Last spring frost
May 5
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
5b
More local growing data for Calais: nearby ZIP 04619 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Robbinston, Me (6.2 mi from Calais). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.