Tunnelhill, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tunnelhill, a borough in Cambria County, Pennsylvania.
Overnight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. South wind around 5 mph.
7-day forecast for Tunnelhill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Partly Cloudy | 5 mph S | 0% |
| Wednesday | 71°F | Partly Sunny | 5 to 12 mph S | 1% |
| Wednesday Night | 57°F | Light Rain | 13 mph S | 95% |
| Thursday | 67°F | Light Rain Likely | 7 to 12 mph SW | 59% |
| Thursday Night | 48°F | Mostly Cloudy | 6 mph SW | 4% |
| Friday | 60°F | Partly Sunny | 3 to 7 mph W | 10% |
| Friday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 9 mph W | 18% |
| Saturday | 49°F | Chance Light Rain | 10 to 14 mph W | 31% |
| Saturday Night | 37°F | Chance Light Rain | 16 mph W | 31% |
| Sunday | 50°F | Slight Chance Light Rain | 13 to 16 mph W | 15% |
| Sunday Night | 35°F | Partly Cloudy | 16 mph W | 7% |
| Monday | 49°F | Slight Chance Light Rain | 16 mph W | 16% |
| Monday Night | 36°F | Partly Cloudy | 15 mph W | 13% |
| Tuesday | 54°F | Mostly Sunny | 16 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Tunnelhill (40.478, -78.542). Updated through the day.
Growing snapshot for Tunnelhill
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6a
More local growing data for Tunnelhill: nearby ZIP 16699 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Altoona 3 W, Pa (5.9 mi from Tunnelhill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.