Bath, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bath, a city in Sagadahoc County, Maine.
Overnight
59°F
Clear
Clear, with a low around 59. West wind 5 to 10 mph.
7-day forecast for Bath
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Clear | 5 to 10 mph W | 0% |
| Tuesday | 84°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 59°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 84°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 5 mph SW | 4% |
| Thursday | 86°F | Sunny | 0 to 10 mph SW | 5% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph S | 4% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 22% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 21% |
| Saturday | 81°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 40% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 35% |
| Sunday | 81°F | Mostly Sunny | 0 to 10 mph SW | 6% |
| Sunday Night | 66°F | Mostly Clear | 0 to 10 mph SW | 7% |
| Monday | 82°F | Mostly Sunny | 0 to 10 mph SW | 11% |
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 Aug 4, 2026.