Sandy Lake, PA Weather & Growing Conditions

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

This Afternoon

76°F

Sunny

Sunny, with a high near 76. South wind 2 to 10 mph, with gusts as high as 23 mph.

7-day forecast for Sandy Lake

When	Temp	Forecast	Wind	Precip
This Afternoon	76°F	Sunny	2 to 10 mph S	2%
Tonight	54°F	Mostly Clear	7 mph SE	3%
Wednesday	74°F	Partly Sunny then Slight Chance Light Rain	7 to 12 mph S	15%
Wednesday Night	59°F	Light Rain	9 to 13 mph S	100%
Thursday	68°F	Chance Light Rain then Mostly Sunny	7 to 14 mph SW	38%
Thursday Night	46°F	Partly Cloudy	1 to 6 mph SW	2%
Friday	63°F	Partly Sunny then Slight Chance Light Rain	2 to 7 mph W	20%
Friday Night	42°F	Chance Light Rain	6 mph NW	37%
Saturday	54°F	Chance Light Rain	7 to 12 mph W	36%
Saturday Night	36°F	Chance Light Rain	3 to 7 mph W	36%
Sunday	54°F	Partly Sunny then Slight Chance Light Rain	5 to 10 mph SW	20%
Sunday Night	34°F	Chance Light Rain	8 mph W	27%
Monday	55°F	Chance Light Rain	8 to 14 mph W	35%
Monday Night	35°F	Chance Light Rain	6 to 10 mph SW	35%

Forecast source: National Weather Service (api.weather.gov) for Sandy Lake (41.350, -80.084). Updated through the day.

Growing snapshot for Sandy Lake

Last spring frost

May 15

First fall frost

Oct 3

Growing season

140 days

Hardiness zone

More local growing data for Sandy Lake: nearby ZIP 16153 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

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

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Climate data from the nearest NOAA station, Mercer, Pa (10.2 mi from Sandy Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.