Saco, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Saco, a city in York County, Maine.
Tonight
45°F
Mostly Clear
Mostly clear, with a low around 45. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
7-day forecast for Saco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Saturday | 65°F | Sunny | 5 to 10 mph NE | 0% |
| Saturday Night | 45°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 64°F | Rain Showers Likely | 0 to 10 mph S | 56% |
| Sunday Night | 46°F | Rain Showers Likely | 0 to 5 mph NE | 68% |
| Monday | 66°F | Mostly Sunny | 5 to 10 mph N | 11% |
| Monday Night | 45°F | Partly Cloudy | 0 to 10 mph NE | 1% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 10 mph NE | 1% |
| Wednesday | 63°F | Mostly Sunny | 10 to 15 mph NE | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 5 mph NE | 7% |
| Thursday | 63°F | Chance Rain Showers | 5 to 10 mph NE | 26% |
| Thursday Night | 45°F | Chance Rain Showers | 5 to 10 mph NE | 26% |
| Friday | 65°F | Chance Rain Showers | 10 mph N | 32% |
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 Sep 19, 2026.