West Myerstown, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for West Myerstown, a community in Lebanon County, Pennsylvania.

Today

74°F

Patchy Fog then Mostly Sunny

Patchy fog before 9am. Mostly sunny, with a high near 74. South wind 0 to 13 mph.

7-day forecast for West Myerstown

When	Temp	Forecast	Wind	Precip
Today	74°F	Patchy Fog then Mostly Sunny	0 to 13 mph S	1%
Tonight	58°F	Mostly Cloudy then Chance Light Rain	7 to 12 mph SE	33%
Thursday	72°F	Light Rain	8 to 13 mph S	89%
Thursday Night	57°F	Light Rain Likely	1 to 8 mph W	63%
Friday	69°F	Chance Light Rain	3 mph N	37%
Friday Night	47°F	Chance Light Rain then Partly Cloudy	5 mph NW	27%
Saturday	61°F	Mostly Sunny	5 to 15 mph W	14%
Saturday Night	40°F	Partly Cloudy	10 to 14 mph W	14%
Sunday	59°F	Mostly Sunny	9 to 14 mph NW	4%
Sunday Night	37°F	Mostly Clear	10 mph W	4%
Monday	58°F	Mostly Sunny	9 to 17 mph W	5%
Monday Night	35°F	Mostly Clear	6 to 12 mph W	4%
Tuesday	62°F	Sunny	6 to 15 mph W	3%
Tuesday Night	36°F	Mostly Clear	5 to 10 mph W	0%

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

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

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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 Nov 4, 2026.