Sylvan Hills, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sylvan Hills, a community in Blair County, Pennsylvania.
Today
83°F
Sunny
Sunny, with a high near 83. Southeast wind around 5 mph.
7-day forecast for Sylvan Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 5 mph SE | 0% |
| Tonight | 65°F | Partly Cloudy | 1 to 5 mph E | 6% |
| Wednesday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 46% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Patchy Fog | 1 to 5 mph SE | 36% |
| Thursday | 84°F | Showers And Thunderstorms | 1 to 5 mph SW | 87% |
| Thursday Night | 69°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph SW | 87% |
| Friday | 84°F | Showers And Thunderstorms | 1 to 5 mph W | 77% |
| Friday Night | 66°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph W | 77% |
| Saturday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 6 mph W | 40% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 mph W | 40% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 16% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph W | 16% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 21% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 24% |
Forecast source: National Weather Service (api.weather.gov) for Sylvan Hills (40.449, -78.384). Updated through the day.
Growing snapshot for Sylvan Hills
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6b
More local growing data for Sylvan Hills: nearby ZIP 16602 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Altoona 3 W, Pa (3.7 mi from Sylvan Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.