Lake Latonka, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lake Latonka, a community in Mercer County, Pennsylvania.

This Afternoon

76°F

Sunny

Sunny, with a high near 76. South wind 5 to 12 mph, with gusts as high as 24 mph.

7-day forecast for Lake Latonka

When	Temp	Forecast	Wind	Precip
This Afternoon	76°F	Sunny	5 to 12 mph S	2%
Tonight	54°F	Mostly Clear	5 to 8 mph SE	3%
Wednesday	74°F	Partly Sunny then Slight Chance Light Rain	8 to 13 mph S	17%
Wednesday Night	59°F	Light Rain	9 to 14 mph S	100%
Thursday	68°F	Chance Light Rain then Mostly Sunny	8 to 14 mph SW	34%
Thursday Night	45°F	Partly Cloudy	2 to 6 mph SW	2%
Friday	62°F	Partly Sunny then Slight Chance Light Rain	2 to 7 mph W	19%
Friday Night	42°F	Chance Light Rain	6 mph NW	36%
Saturday	53°F	Chance Light Rain	7 to 12 mph W	35%
Saturday Night	35°F	Chance Light Rain	3 to 8 mph W	35%
Sunday	54°F	Partly Sunny then Slight Chance Light Rain	5 to 10 mph SW	20%
Sunday Night	33°F	Chance Light Rain	8 mph W	25%
Monday	55°F	Chance Light Rain	8 to 14 mph W	34%
Monday Night	35°F	Chance Light Rain	9 mph SW	34%

Forecast source: National Weather Service (api.weather.gov) for Lake Latonka (41.282, -80.186). Updated through the day.

Growing snapshot for Lake Latonka

Last spring frost

May 15

First fall frost

Oct 3

Growing season

140 days

Hardiness zone

More local growing data for Lake Latonka: nearby ZIP 16133 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

Clark Farrell Fredonia Greenville Grove City Hermitage Jackson Center Mercer New Lebanon Reynolds Heights Sandy Lake Sharon Sharpsville Sheakleyville Stoneboro West Middlesex Wheatland

All Pennsylvania locations ›

Climate data from the nearest NOAA station, Mercer, Pa (6.9 mi from Lake Latonka). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.