West Myerstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Myerstown, a community in Lebanon County, Pennsylvania.
Tonight
61°F
Mostly Cloudy then Rain Showers Likely
Rain showers likely after midnight. Mostly cloudy, with a low around 61. Southeast wind around 12 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for West Myerstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy then Rain Showers Likely | 12 mph SE | 70% |
| Sunday | 78°F | Rain Showers | 8 to 13 mph S | 96% |
| Sunday Night | 56°F | Showers And Thunderstorms then Mostly Cloudy | 7 to 10 mph W | 80% |
| Monday | 72°F | Partly Sunny then Chance Rain Showers | 10 mph NE | 28% |
| Monday Night | 51°F | Chance Rain Showers | 8 to 13 mph NE | 46% |
| Tuesday | 64°F | Chance Rain Showers | 14 mph NE | 50% |
| Tuesday Night | 49°F | Chance Rain Showers | 13 to 16 mph NE | 41% |
| Wednesday | 63°F | Chance Rain Showers | 17 mph NE | 33% |
| Wednesday Night | 49°F | Chance Rain Showers | 16 mph NE | 26% |
| Thursday | 63°F | Slight Chance Rain Showers | 16 mph NE | 23% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 9 to 14 mph NE | 24% |
| Friday | 67°F | Chance Rain Showers | 15 mph N | 27% |
| Friday Night | 49°F | Chance Rain Showers | 12 to 15 mph N | 27% |
| Saturday | 71°F | Slight Chance Rain Showers | 16 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov) for West Myerstown (40.370, -76.320). Updated through the day.
Growing snapshot for West Myerstown
Last spring frost
Apr 20
First fall frost
Oct 25
Growing season
185 days
Hardiness zone
7a
More local growing data for West Myerstown: nearby ZIP 17067 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Annville
Avon
Campbelltown
Cleona
Cornwall
Fort Indiantown Gap
Fredericksburg
Hebron
Jonestown
Lebanon
Lebanon South
Mount Gretna
Mount Gretna Heights
Myerstown
Palmyra
Pleasant Hill
Quentin
Sand Hill
Schaefferstown
Timber Hills
Climate data from the nearest NOAA station, Lebanon 2 W, Pa (8.9 mi from West Myerstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.