Sylvan Hills, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sylvan Hills, a community in Blair County, Pennsylvania.
This Afternoon
78°F
Mostly Sunny
Mostly sunny, with a high near 78. North wind around 5 mph.
7-day forecast for Sylvan Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Mostly Sunny | 5 mph N | 1% |
| Tonight | 52°F | Patchy Fog | 5 mph N | 7% |
| Saturday | 74°F | Areas Of Fog then Partly Sunny | 1 to 5 mph E | 3% |
| Saturday Night | 61°F | Mostly Cloudy then Chance Rain Showers | 6 mph SE | 51% |
| Sunday | 76°F | Rain Showers | 6 mph SW | 97% |
| Sunday Night | 56°F | Showers And Thunderstorms | 5 mph NW | 97% |
| Monday | 67°F | Chance Rain Showers | 6 mph NE | 37% |
| Monday Night | 53°F | Rain Showers Likely | 6 mph E | 68% |
| Tuesday | 61°F | Showers And Thunderstorms Likely | 8 mph E | 72% |
| Tuesday Night | 49°F | Rain Showers Likely | 9 mph E | 66% |
| Wednesday | 58°F | Rain Showers Likely | 8 mph E | 62% |
| Wednesday Night | 48°F | Showers And Thunderstorms Likely | 7 mph E | 57% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 5 mph E | 52% |
| Thursday Night | 49°F | Chance Rain Showers | 3 mph NE | 35% |
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 Sep 19, 2026.