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Caribou, ME Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Caribou, a city in Aroostook County, Maine.

This Afternoon
45°F
Light Rain Likely
Rain likely. Cloudy, with a high near 45. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Caribou

WhenTempForecastWindPrecip
This Afternoon 45°F Light Rain Likely 5 mph SE 62%
Tonight 39°F Rain 5 to 12 mph SE 100%
Wednesday 58°F Rain 3 to 12 mph S 100%
Wednesday Night 48°F Slight Chance Light Rain then Mostly Cloudy 1 to 5 mph S 17%
Thursday 64°F Mostly Cloudy then Chance Light Rain 5 to 10 mph S 36%
Thursday Night 52°F Chance Light Rain 8 mph SW 26%
Friday 64°F Mostly Cloudy then Slight Chance Light Rain 3 to 8 mph W 23%
Friday Night 44°F Light Rain Likely 2 to 8 mph N 67%
Saturday 53°F Light Rain 10 mph E 76%
Saturday Night 40°F Light Rain 9 mph N 76%
Sunday 51°F Light Rain Likely 7 to 10 mph W 67%
Sunday Night 35°F Chance Light Rain 5 to 8 mph W 39%
Monday 48°F Slight Chance Light Rain 5 to 9 mph W 21%
Monday Night 31°F Slight Chance Rain And Snow 6 mph W 24%

Forecast source: National Weather Service (api.weather.gov) for Caribou (46.837, -67.936). Updated through the day.

Growing snapshot for Caribou

Last spring frost
May 7
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
4a

More local growing data for Caribou: nearby ZIP 04742 weather · frost dates · planting calendar · Maine frost dates

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Climate data from the nearest NOAA station, Caribou Muni Ap, Me (9.9 mi from Caribou). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.