Millsboro, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millsboro, a community in Washington County, Pennsylvania.
Overnight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5am, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Millsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Chance Showers And Thunderstorms | 6 mph S | 57% |
| Sunday | 78°F | Showers And Thunderstorms | 8 mph SW | 98% |
| Sunday Night | 59°F | Showers And Thunderstorms | 3 to 7 mph N | 79% |
| Monday | 69°F | Rain Showers Likely | 9 mph NE | 71% |
| Monday Night | 57°F | Showers And Thunderstorms | 6 to 10 mph E | 80% |
| Tuesday | 67°F | Showers And Thunderstorms | 7 to 10 mph E | 81% |
| Tuesday Night | 53°F | Showers And Thunderstorms | 10 mph E | 85% |
| Wednesday | 63°F | Showers And Thunderstorms | 12 mph E | 85% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 6 to 10 mph E | 64% |
| Thursday | 64°F | Chance Rain Showers | 8 mph E | 52% |
| Thursday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 8 mph NE | 16% |
| Friday | 66°F | Mostly Sunny | 3 to 7 mph NE | 8% |
| Friday Night | 48°F | Partly Cloudy | 2 to 7 mph N | 8% |
| Saturday | 69°F | Mostly Sunny | 2 to 7 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Millsboro (39.990, -80.002). Updated through the day.
Growing snapshot for Millsboro
Last spring frost
May 3
First fall frost
Oct 15
Growing season
164 days
Hardiness zone
6b
More local growing data for Millsboro: nearby ZIP 15348 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Aaronsburg
Allenport
Arnold City
Atlasburg
Avella
Baidland
Beallsville
Belle Vernon
Bentleyville
Bulger
Burgettstown
California
Canonsburg
Cecil-Bishop
Claysville
Cokeburg
Cross Creek
Deemston
Donora
Dunlevy
East Marianna
East Washington
Eighty Four
Ellsworth
Elrama
Fairhope
Fayette City
Finleyville
Fredericktown
Green Hills
Climate data from the nearest NOAA station, Waynesburg 1 E, Pa (10.8 mi from Millsboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.