Harman US

Orono, ME Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Orono, a community in Penobscot County, Maine.

This Afternoon
60°F
Light Rain Likely
Rain likely. Cloudy. High near 60, with temperatures falling to around 54 in the afternoon. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Orono

WhenTempForecastWindPrecip
This Afternoon 60°F Light Rain Likely 7 mph SE 68%
Tonight 48°F Light Rain 3 to 7 mph SE 75%
Wednesday 68°F Slight Chance Light Rain then Partly Sunny 2 to 7 mph SW 22%
Wednesday Night 48°F Partly Cloudy 1 to 5 mph S 4%
Thursday 69°F Partly Sunny then Slight Chance Light Rain 3 to 12 mph S 21%
Thursday Night 56°F Slight Chance Light Rain 3 to 10 mph SW 21%
Friday 66°F Light Rain Likely 2 to 6 mph S 56%
Friday Night 50°F Light Rain 5 to 10 mph NE 84%
Saturday 57°F Light Rain 12 mph NE 83%
Saturday Night 44°F Light Rain Likely 10 mph N 72%
Sunday 55°F Light Rain Likely 10 mph NW 56%
Sunday Night 37°F Chance Light Rain then Mostly Cloudy 7 mph W 32%
Monday 53°F Chance Light Rain 6 to 12 mph NW 27%
Monday Night 34°F Chance Light Rain 10 mph W 25%

Forecast source: National Weather Service (api.weather.gov) for Orono (44.878, -68.688). Updated through the day.

Growing snapshot for Orono

Last spring frost
May 1
First fall frost
Oct 6
Growing season
157 days
Hardiness zone
5a

More local growing data for Orono: nearby ZIP 04489 weather · frost dates · planting calendar · Maine frost dates

Nearby towns & communities

All Maine locations ›

Climate data from the nearest NOAA station, Orono, Me (1.1 mi from Orono). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.