Sandy Lake, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sandy Lake, a borough in Mercer County, Pennsylvania.
Today
84°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 84. Southeast wind around 3 mph.
7-day forecast for Sandy Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 3 mph SE | 0% |
| Tonight | 63°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 86°F | Mostly Sunny then Scattered Showers And Thunderstorms | 6 mph S | 39% |
| Wednesday Night | 66°F | Scattered Showers And Thunderstorms | 5 mph S | 50% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 54% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph S | 55% |
| Friday | 83°F | Showers And Thunderstorms | 3 to 7 mph SW | 82% |
| Friday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 82% |
| Saturday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 8 mph SW | 42% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 42% |
| Sunday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 22% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph SW | 34% |
| Monday | 86°F | Chance Rain Showers | 7 to 10 mph W | 45% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 52% |
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
6a
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
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 Aug 4, 2026.