Sinking Spring, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sinking Spring, a borough in Berks County, Pennsylvania.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Northeast wind around 0 mph.
7-day forecast for Sinking Spring
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 to 5 mph E | 3% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 66% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 44% |
| Thursday | 90°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 10 mph S | 69% |
| Thursday Night | 72°F | Showers And Thunderstorms Likely | 0 to 10 mph SW | 69% |
| Friday | 90°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph SW | 62% |
| Friday Night | 71°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph W | 62% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph W | 49% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 49% |
| Sunday | 89°F | Mostly Sunny | 0 to 10 mph W | 12% |
| Sunday Night | 71°F | Partly Cloudy | 0 to 5 mph SW | 12% |
| Monday | 91°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 18% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
Forecast source: National Weather Service (api.weather.gov) for Sinking Spring (40.325, -76.023). Updated through the day.
Growing snapshot for Sinking Spring
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
176 days
Hardiness zone
7a
More local growing data for Sinking Spring: nearby ZIP 19608 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Blue Marsh Lake, Pa (4.6 mi from Sinking Spring). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.