Orono, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Orono, a community in Penobscot County, Maine.
This Afternoon
72°F
Sunny
Sunny, with a high near 72. Northwest wind around 16 mph, with gusts as high as 29 mph.
7-day forecast for Orono
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 16 mph NW | 0% |
| Tonight | 43°F | Clear | 7 to 16 mph NW | 0% |
| Saturday | 63°F | Sunny | 8 mph NW | 0% |
| Saturday Night | 42°F | Partly Cloudy | 3 mph E | 0% |
| Sunday | 61°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 13 mph S | 22% |
| Sunday Night | 46°F | Chance Light Rain | 1 to 10 mph SW | 33% |
| Monday | 64°F | Patchy Fog then Mostly Sunny | 2 to 10 mph N | 6% |
| Monday Night | 41°F | Partly Cloudy | 6 to 10 mph N | 1% |
| Tuesday | 62°F | Mostly Sunny | 6 to 9 mph N | 1% |
| Tuesday Night | 40°F | Partly Cloudy | 6 mph NE | 0% |
| Wednesday | 65°F | Sunny | 5 mph NE | 0% |
| Wednesday Night | 41°F | Mostly Clear | 0 to 5 mph E | 2% |
| Thursday | 65°F | Mostly Sunny | 0 to 7 mph NE | 9% |
| Thursday Night | 43°F | Chance Rain Showers | 2 to 7 mph NE | 26% |
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
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Old Town
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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 Sep 19, 2026.