Guilford, ME Weather & Growing Conditions
Tonight
43°F
Mostly Cloudy
Mostly cloudy, with a low around 43. East wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Cloudy | 2 to 6 mph E | 0% |
| Sunday | 52°F | Cloudy then Chance Light Rain | 6 to 13 mph S | 36% |
| Sunday Night | 45°F | Chance Light Rain then Patchy Fog | 5 to 12 mph SW | 33% |
| Monday | 56°F | Patchy Fog then Sunny | 13 mph N | 0% |
| Monday Night | 40°F | Partly Cloudy | 12 mph N | 0% |
| Tuesday | 57°F | Mostly Sunny | 6 to 10 mph N | 0% |
| Tuesday Night | 40°F | Mostly Clear | 3 to 7 mph N | 0% |
| Wednesday | 59°F | Sunny | 3 mph NE | 0% |
| Wednesday Night | 40°F | Mostly Clear | 2 mph N | 0% |
| Thursday | 61°F | Sunny | 3 mph NE | 3% |
| Thursday Night | 43°F | Slight Chance Rain Showers | 1 to 5 mph NE | 18% |
| Friday | 59°F | Slight Chance Rain Showers | 7 mph N | 23% |
| Friday Night | 46°F | Chance Rain Showers | 6 to 9 mph N | 33% |
| Saturday | 59°F | Chance Rain Showers | 10 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Guilford, ME
Last spring frost
May 7
First fall frost
Oct 9
Growing season
153 days
Hardiness zone
5a
Explore more for Guilford, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Greenville Maine Forestry Svc, Me (16.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.