Bath, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bath, a city in Sagadahoc County, Maine.
Tonight
47°F
Chance Rain Showers then Cloudy
A chance of rain showers before midnight. Cloudy, with a low around 47. Southeast wind 0 to 5 mph. Chance of precipitation is 30%.
7-day forecast for Bath
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Chance Rain Showers then Cloudy | 0 to 5 mph SE | 28% |
| Wednesday | 68°F | Mostly Sunny | 0 to 5 mph SW | 6% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph SW | 3% |
| Thursday | 66°F | Mostly Cloudy then Isolated Rain Showers | 5 to 15 mph SW | 15% |
| Thursday Night | 57°F | Mostly Cloudy then Isolated Rain Showers | 5 to 10 mph SW | 15% |
| Friday | 66°F | Light Rain Likely | 0 to 5 mph S | 65% |
| Friday Night | 52°F | Light Rain | 0 to 5 mph E | 85% |
| Saturday | 58°F | Light Rain | 10 mph N | 80% |
| Saturday Night | 45°F | Light Rain Likely | 5 mph NW | 59% |
| Sunday | 56°F | Chance Light Rain | 5 to 10 mph NW | 39% |
| Sunday Night | 38°F | Slight Chance Light Rain then Mostly Cloudy | 0 to 5 mph W | 17% |
| Monday | 54°F | Partly Sunny then Slight Chance Light Rain | 5 to 10 mph NW | 20% |
| Monday Night | 36°F | Slight Chance Light Rain | 5 to 10 mph NW | 19% |
| Tuesday | 53°F | Slight Chance Light Rain | 5 to 15 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Bath (43.933, -69.847). Updated through the day.
Growing snapshot for Bath
Last spring frost
May 10
First fall frost
Oct 6
Growing season
149 days
Hardiness zone
6a
More local growing data for Bath: nearby ZIP 04530 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bath, Me (3.4 mi from Bath). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.