South Berwick, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Berwick, a community in York County, Maine.
Overnight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. West wind around 0 mph.
7-day forecast for South Berwick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 75°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 73°F | Mostly Cloudy then Chance Light Rain | 5 to 10 mph SW | 40% |
| Thursday Night | 59°F | Mostly Cloudy then Chance Light Rain | 5 mph SW | 29% |
| Friday | 70°F | Light Rain | 0 to 5 mph S | 75% |
| Friday Night | 53°F | Light Rain | 0 to 5 mph E | 92% |
| Saturday | 63°F | Light Rain | 5 mph NE | 79% |
| Saturday Night | 43°F | Chance Light Rain | 5 mph N | 36% |
| Sunday | 57°F | Chance Light Rain | 5 to 10 mph W | 31% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph W | 9% |
| Monday | 54°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 16% |
| Monday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 5 mph W | 15% |
| Tuesday | 56°F | Mostly Sunny | 5 to 15 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov) for South Berwick (43.230, -70.798). Updated through the day.
Growing snapshot for South Berwick
Last spring frost
May 1
First fall frost
Oct 14
Growing season
165 days
Hardiness zone
6a
More local growing data for South Berwick: nearby ZIP 03908 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Alfred
Biddeford
Cape Neddick
Cornish
Kennebunk
Kennebunkport
Kittery
Lake Arrowhead
North Berwick
Old Orchard Beach
Saco
Sanford
South Eliot
West Kennebunk
York Harbor
Climate data from the nearest NOAA station, Cape Neddick, Me (5.7 mi from South Berwick). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.