Guilford, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Guilford, a community in Piscataquis County, Maine.
This Afternoon
63°F
Sunny
Sunny, with a high near 63. North wind around 5 mph.
7-day forecast for Guilford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Sunny | 5 mph N | 0% |
| Tonight | 42°F | Partly Cloudy | 2 mph NE | 0% |
| Sunday | 59°F | Mostly Cloudy then Chance Light Rain | 1 to 10 mph SE | 33% |
| Sunday Night | 43°F | Chance Light Rain then Patchy Fog | 0 to 6 mph W | 31% |
| Monday | 63°F | Patchy Fog then Sunny | 5 to 10 mph N | 0% |
| Monday Night | 38°F | Partly Cloudy | 3 to 8 mph N | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 mph N | 0% |
| Tuesday Night | 38°F | Mostly Clear | 3 mph N | 0% |
| Wednesday | 65°F | Sunny | 3 mph NE | 0% |
| Wednesday Night | 38°F | Mostly Clear | 1 mph N | 0% |
| Thursday | 67°F | Sunny | 2 mph NE | 3% |
| Thursday Night | 40°F | Slight Chance Rain Showers | 3 mph NE | 18% |
| Friday | 66°F | Slight Chance Rain Showers | 3 to 7 mph NE | 22% |
| Friday Night | 43°F | Chance Rain Showers | 6 to 9 mph NE | 32% |
Forecast source: National Weather Service (api.weather.gov) for Guilford (45.179, -69.395). Updated through the day.
Growing snapshot for Guilford
Last spring frost
May 16
First fall frost
Oct 1
Growing season
135 days
Hardiness zone
5a
More local growing data for Guilford: nearby ZIP 04443 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sebec Lake, Me (8.5 mi from Guilford). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.