Guilford, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Guilford, a community in Piscataquis County, Maine.
Tonight
45°F
Light Rain Likely
Rain likely before 5am. Cloudy, with a low around 45. South wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Guilford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Light Rain Likely | 2 mph S | 63% |
| Wednesday | 69°F | Partly Sunny | 2 to 6 mph SW | 12% |
| Wednesday Night | 45°F | Partly Cloudy | 1 mph NW | 4% |
| Thursday | 68°F | Mostly Cloudy then Chance Light Rain | 0 to 8 mph SW | 26% |
| Thursday Night | 52°F | Slight Chance Light Rain | 1 to 6 mph SW | 24% |
| Friday | 66°F | Chance Light Rain | 0 to 3 mph NW | 41% |
| Friday Night | 46°F | Light Rain | 2 to 6 mph NE | 80% |
| Saturday | 56°F | Light Rain | 8 mph NE | 79% |
| Saturday Night | 40°F | Light Rain Likely | 7 mph N | 68% |
| Sunday | 54°F | Light Rain Likely | 6 to 9 mph NW | 55% |
| Sunday Night | 34°F | Chance Light Rain then Mostly Cloudy | 6 mph W | 25% |
| Monday | 51°F | Chance Light Rain | 5 to 10 mph NW | 26% |
| Monday Night | 31°F | Slight Chance Light Rain | 7 mph NW | 23% |
| Tuesday | 49°F | Slight Chance Light Rain | 7 to 10 mph W | 24% |
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 Nov 4, 2026.