Guilford, ME Weather & Growing Conditions
Overnight
45°F
Chance Light Rain
A chance of rain. Cloudy, with a low around 45. South wind around 2 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Chance Light Rain | 2 mph S | 34% |
| Wednesday | 71°F | Chance Light Rain then Partly Sunny | 2 to 7 mph SW | 25% |
| Wednesday Night | 46°F | Partly Cloudy | 2 mph SW | 3% |
| Thursday | 68°F | Mostly Cloudy then Chance Light Rain | 0 to 9 mph S | 43% |
| Thursday Night | 52°F | Chance Light Rain | 2 to 7 mph SW | 35% |
| Friday | 67°F | Chance Light Rain | 3 mph NW | 23% |
| Friday Night | 46°F | Light Rain | 2 to 6 mph NE | 84% |
| Saturday | 57°F | Light Rain | 7 mph NE | 78% |
| Saturday Night | 41°F | Light Rain Likely | 6 mph N | 67% |
| Sunday | 52°F | Light Rain Likely | 6 to 9 mph NW | 58% |
| Sunday Night | 33°F | Slight Chance Light Rain then Mostly Cloudy | 2 to 6 mph W | 22% |
| Monday | 51°F | Slight Chance Light Rain | 5 to 12 mph W | 23% |
| Monday Night | 31°F | Slight Chance Light Rain | 8 mph W | 21% |
| Tuesday | 49°F | Slight Chance Light Rain | 7 to 10 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Guilford, ME
Last spring frost
May 16
First fall frost
Oct 1
Growing season
135 days
Hardiness zone
5a
Explore more for Guilford, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Sebec Lake, Me (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.