Locust Gap, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Locust Gap, a community in Northumberland County, Pennsylvania.
Today
80°F
Sunny
Sunny, with a high near 80. East wind around 2 mph.
7-day forecast for Locust Gap
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 2 mph E | 0% |
| Tonight | 62°F | Mostly Cloudy | 2 mph SE | 3% |
| Wednesday | 78°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 mph SE | 52% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 2 mph SE | 52% |
| Thursday | 83°F | Showers And Thunderstorms | 5 mph S | 83% |
| Thursday Night | 68°F | Showers And Thunderstorms | 2 mph S | 83% |
| Friday | 82°F | Showers And Thunderstorms | 3 mph SW | 75% |
| Friday Night | 66°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph W | 75% |
| Saturday | 81°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 57% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph W | 57% |
| Sunday | 82°F | Mostly Sunny | 0 to 3 mph W | 11% |
| Sunday Night | 67°F | Mostly Clear | 2 mph SW | 11% |
| Monday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 24% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 mph W | 24% |
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
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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 Aug 4, 2026.