Blain, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blain, a borough in Perry County, Pennsylvania.
This Afternoon
75°F
Partly Sunny
Partly sunny, with a high near 75. East wind around 2 mph.
7-day forecast for Blain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Partly Sunny | 2 mph E | 5% |
| Tonight | 59°F | Rain Showers | 5 mph E | 80% |
| Sunday | 76°F | Rain Showers | 3 to 7 mph S | 80% |
| Sunday Night | 52°F | Showers And Thunderstorms | 5 mph NW | 80% |
| Monday | 68°F | Slight Chance Rain Showers | 6 mph NE | 20% |
| Monday Night | 48°F | Rain Showers Likely | 3 to 7 mph NE | 57% |
| Tuesday | 61°F | Rain Showers Likely | 7 mph E | 62% |
| Tuesday Night | 46°F | Chance Rain Showers | 6 to 9 mph E | 52% |
| Wednesday | 59°F | Chance Rain Showers | 6 to 9 mph E | 50% |
| Wednesday Night | 47°F | Chance Rain Showers | 7 mph E | 42% |
| Thursday | 62°F | Chance Rain Showers | 7 mph NE | 40% |
| Thursday Night | 46°F | Chance Rain Showers | 5 mph NE | 36% |
| Friday | 67°F | Chance Rain Showers | 5 mph N | 26% |
| Friday Night | 47°F | Slight Chance Rain Showers | 3 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov) for Blain (40.337, -77.512). Updated through the day.
Growing snapshot for Blain
Last spring frost
Apr 18
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
7a
More local growing data for Blain: nearby ZIP 17006 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Bloomfield
Duncannon
Halifax
Ickesburg
Landisburg
Liverpool
Loysville
Millerstown
New Buffalo
Newport
Climate data from the nearest NOAA station, Bloserville 1 N, Pa (8.4 mi from Blain). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.