Milroy, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milroy, a community in Mifflin County, Pennsylvania.
This Afternoon
70°F
Mostly Sunny
Mostly sunny, with a high near 70. Southeast wind around 2 mph.
7-day forecast for Milroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Mostly Sunny | 2 mph SE | 1% |
| Tonight | 47°F | Mostly Clear then Areas Of Fog | 1 mph SE | 2% |
| Wednesday | 74°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph SE | 2% |
| Wednesday Night | 57°F | Mostly Cloudy then Rain Showers | 3 mph SE | 94% |
| Thursday | 73°F | Rain Showers | 1 to 6 mph S | 85% |
| Thursday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 0 mph | 24% |
| Friday | 68°F | Chance Rain Showers | 1 mph W | 39% |
| Friday Night | 44°F | Chance Rain Showers | 0 mph | 25% |
| Saturday | 60°F | Slight Chance Rain Showers | 0 to 8 mph NW | 21% |
| Saturday Night | 37°F | Slight Chance Rain Showers then Partly Cloudy | 1 to 6 mph NW | 16% |
| Sunday | 58°F | Mostly Sunny | 2 to 6 mph W | 10% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph W | 18% |
| Monday | 58°F | Slight Chance Rain Showers | 5 to 13 mph W | 24% |
| Monday Night | 34°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Milroy (40.719, -77.590). Updated through the day.
Growing snapshot for Milroy
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
6b
More local growing data for Milroy: nearby ZIP 17084 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Atkinson Mills
Barrville
Belleville
Burnham
Church Hill
Granville
Highland Park
Juniata Terrace
Lewistown
Longfellow
Lumber City
Maitland
Mattawana
McClure
McVeytown
Newton Hamilton
Potlicker Flats
Reedsville
Siglerville
Strodes Mills
Wagner
Yeagertown
Climate data from the nearest NOAA station, Lewistown, Pa (6.9 mi from Milroy). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.