Smithfield, PA Weather & Growing Conditions
Overnight
60°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 60. Northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Patchy Fog | 1 mph NE | 1% |
| Saturday | 79°F | Partly Sunny | 3 mph SE | 4% |
| Saturday Night | 65°F | Chance Rain Showers | 5 mph SE | 38% |
| Sunday | 78°F | Showers And Thunderstorms | 6 to 9 mph SW | 94% |
| Sunday Night | 59°F | Showers And Thunderstorms | 2 to 7 mph NW | 86% |
| Monday | 69°F | Chance Rain Showers | 8 mph NE | 45% |
| Monday Night | 56°F | Showers And Thunderstorms | 9 mph E | 77% |
| Tuesday | 64°F | Showers And Thunderstorms | 10 to 14 mph E | 77% |
| Tuesday Night | 53°F | Showers And Thunderstorms Likely | 16 mph E | 65% |
| Wednesday | 60°F | Rain Showers Likely | 16 mph E | 65% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 10 to 14 mph E | 54% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 7 to 10 mph E | 54% |
| Thursday Night | 51°F | Chance Showers And Thunderstorms | 2 to 8 mph E | 42% |
| Friday | 67°F | Partly Sunny then Chance Rain Showers | 3 to 7 mph NE | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithfield, PA
Last spring frost
Apr 25
First fall frost
Oct 24
Growing season
181 days
Hardiness zone
6b
Explore more for Smithfield, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Lake Lynn, Wv (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.