Locust Gap, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Locust Gap, a community in Northumberland County, Pennsylvania.
This Afternoon
64°F
Partly Sunny
Partly sunny, with a high near 64. South wind around 2 mph.
7-day forecast for Locust Gap
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Partly Sunny | 2 mph S | 2% |
| Tonight | 49°F | Partly Cloudy | 3 mph S | 2% |
| Wednesday | 68°F | Mostly Sunny | 6 mph S | 2% |
| Wednesday Night | 57°F | Mostly Cloudy then Rain Showers Likely | 8 mph S | 69% |
| Thursday | 66°F | Rain Showers | 3 to 8 mph S | 90% |
| Thursday Night | 56°F | Chance Rain Showers | 3 mph SW | 49% |
| Friday | 64°F | Chance Rain Showers | 2 mph NW | 49% |
| Friday Night | 46°F | Chance Rain Showers | 1 mph NW | 47% |
| Saturday | 57°F | Slight Chance Rain Showers | 2 to 6 mph NW | 18% |
| Saturday Night | 38°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph NW | 17% |
| Sunday | 55°F | Mostly Sunny | 5 mph W | 6% |
| Sunday Night | 36°F | Slight Chance Rain Showers | 5 mph W | 18% |
| Monday | 54°F | Slight Chance Rain Showers | 6 to 9 mph NW | 24% |
| Monday Night | 36°F | Slight Chance Rain Showers | 6 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov) for Locust Gap (40.770, -76.441). Updated through the day.
Growing snapshot for Locust Gap
Last spring frost
Apr 27
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
6b
More local growing data for Locust Gap: nearby ZIP 17840 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Bear Gap, Pa (4.9 mi from Locust Gap). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.