Fountain Hill, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fountain Hill, a borough in Lehigh County, Pennsylvania.
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. South wind 0 to 5 mph.
7-day forecast for Fountain Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 0 to 5 mph S | 2% |
| Tonight | 57°F | Mostly Cloudy | 5 mph S | 8% |
| Thursday | 71°F | Light Rain Likely | 5 to 10 mph S | 73% |
| Thursday Night | 59°F | Light Rain | 0 to 5 mph SW | 81% |
| Friday | 69°F | Light Rain Likely | 0 mph | 57% |
| Friday Night | 49°F | Chance Light Rain | 0 mph | 43% |
| Saturday | 63°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Saturday Night | 42°F | Slight Chance Light Rain | 5 mph W | 18% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 39°F | Mostly Clear | 5 mph W | 5% |
| Monday | 57°F | Sunny | 5 to 10 mph W | 6% |
| Monday Night | 37°F | Mostly Clear | 5 mph W | 4% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 3% |
| Tuesday Night | 38°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fountain Hill (40.603, -75.396). Updated through the day.
Growing snapshot for Fountain Hill
Last spring frost
Apr 20
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
7a
More local growing data for Fountain Hill: nearby ZIP 18018 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Allentown Intl Ap, Pa (3.2 mi from Fountain Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.