Allenwood, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allenwood, a community in Northumberland County, Pennsylvania.
Today
71°F
Partly Sunny
Partly sunny, with a high near 71. East wind around 2 mph.
7-day forecast for Allenwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Partly Sunny | 2 mph E | 1% |
| Tonight | 59°F | Rain Showers | 2 to 10 mph SE | 90% |
| Sunday | 70°F | Rain Showers | 5 to 12 mph S | 90% |
| Sunday Night | 53°F | Chance Rain Showers | 5 to 10 mph NW | 42% |
| Monday | 67°F | Partly Sunny | 9 mph N | 3% |
| Monday Night | 50°F | Chance Rain Showers | 7 mph NE | 40% |
| Tuesday | 61°F | Chance Rain Showers | 6 mph NE | 42% |
| Tuesday Night | 47°F | Chance Rain Showers | 6 to 9 mph E | 35% |
| Wednesday | 61°F | Chance Rain Showers | 9 mph E | 35% |
| Wednesday Night | 48°F | Chance Rain Showers | 8 mph NE | 33% |
| Thursday | 62°F | Chance Rain Showers | 8 mph NE | 36% |
| Thursday Night | 47°F | Chance Rain Showers | 6 mph N | 36% |
| Friday | 66°F | Chance Rain Showers | 8 mph N | 25% |
| Friday Night | 49°F | Slight Chance Rain Showers | 8 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov) for Allenwood (41.108, -76.898). Updated through the day.
Growing snapshot for Allenwood
Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
180 days
Hardiness zone
6b
More local growing data for Allenwood: nearby ZIP 17730 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Williamsport, Pa (9.7 mi from Allenwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.