Saco, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Saco, a city in York County, Maine.
Tonight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. South wind around 0 mph.
7-day forecast for Saco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 0 mph | 13% |
| Wednesday | 75°F | Mostly Sunny | 5 to 10 mph SW | 6% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph SW | 3% |
| Thursday | 72°F | Mostly Cloudy then Isolated Rain Showers | 5 to 10 mph SW | 16% |
| Thursday Night | 58°F | Mostly Cloudy then Isolated Rain Showers | 5 to 10 mph SW | 21% |
| Friday | 69°F | Light Rain Likely | 5 mph S | 69% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph NE | 85% |
| Saturday | 61°F | Light Rain | 5 to 10 mph N | 76% |
| Saturday Night | 42°F | Chance Light Rain | 5 mph NW | 53% |
| Sunday | 60°F | Chance Light Rain | 5 to 10 mph W | 32% |
| Sunday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 5 mph W | 15% |
| Monday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
| Monday Night | 33°F | Slight Chance Light Rain | 5 mph W | 20% |
| Tuesday | 57°F | Slight Chance Light Rain then Mostly Sunny | 5 to 15 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov) for Saco (43.528, -70.420). Updated through the day.
Growing snapshot for Saco
Last spring frost
Apr 26
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
6a
More local growing data for Saco: nearby ZIP 04064 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
Sanford
South Berwick
South Eliot
West Kennebunk
York Harbor
Climate data from the nearest NOAA station, Portland Intl Jetport, Me (9.7 mi from Saco). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.