Milton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milton, a borough in Union County, Pennsylvania.
Overnight
51°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 51. North wind around 3 mph.
7-day forecast for Milton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Patchy Fog | 3 mph N | 0% |
| Saturday | 72°F | Areas Of Fog then Mostly Sunny | 2 mph E | 2% |
| Saturday Night | 60°F | Mostly Cloudy then Rain Showers | 1 to 7 mph SE | 81% |
| Sunday | 71°F | Showers And Thunderstorms | 5 to 8 mph S | 99% |
| Sunday Night | 56°F | Showers And Thunderstorms | 5 to 8 mph NW | 91% |
| Monday | 68°F | Chance Rain Showers | 8 mph N | 27% |
| Monday Night | 53°F | Chance Rain Showers | 7 mph NE | 52% |
| Tuesday | 62°F | Rain Showers Likely | 7 mph NE | 57% |
| Tuesday Night | 48°F | Rain Showers Likely | 7 mph NE | 56% |
| Wednesday | 60°F | Chance Rain Showers | 7 mph NE | 47% |
| Wednesday Night | 49°F | Chance Showers And Thunderstorms | 6 mph NE | 47% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 6 mph NE | 37% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 5 mph N | 36% |
| Friday | 68°F | Slight Chance Rain Showers | 3 to 7 mph N | 21% |
Forecast source: National Weather Service (api.weather.gov) for Milton (41.002, -76.852). Updated through the day.
Growing snapshot for Milton
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
176 days
Hardiness zone
6b
More local growing data for Milton: nearby ZIP 17886 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lewisburg, Pa (4.9 mi from Milton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.