Blain, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blain, a borough in Perry County, Pennsylvania.
Tonight
48°F
Mostly Clear then Areas Of Fog
Areas of fog after midnight. Mostly clear, with a low around 48. Northeast wind around 1 mph.
7-day forecast for Blain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Clear then Areas Of Fog | 1 mph NE | 1% |
| Wednesday | 75°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph S | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 5 mph SE | 87% |
| Thursday | 74°F | Rain Showers | 1 to 6 mph SW | 77% |
| Thursday Night | 54°F | Mostly Cloudy then Chance Rain Showers | 1 mph W | 33% |
| Friday | 70°F | Chance Rain Showers | 2 mph NW | 40% |
| Friday Night | 44°F | Chance Rain Showers | 2 mph NW | 39% |
| Saturday | 62°F | Slight Chance Rain Showers | 2 to 7 mph NW | 15% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph NW | 11% |
| Sunday | 60°F | Mostly Sunny | 5 mph W | 8% |
| Sunday Night | 34°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph W | 17% |
| Monday | 59°F | Slight Chance Rain Showers | 8 mph W | 23% |
| Monday Night | 34°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph W | 20% |
| Tuesday | 63°F | Mostly Sunny | 6 to 9 mph W | 9% |
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 Nov 4, 2026.