Lemont, PA Weather & Growing Conditions
Overnight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. Northeast wind 7 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Partly Cloudy | 7 to 12 mph NE | 0% |
| Saturday | 69°F | Partly Sunny | 2 to 6 mph E | 3% |
| Saturday Night | 60°F | Mostly Cloudy then Rain Showers Likely | 5 to 14 mph SE | 74% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 12 mph SW | 98% |
| Sunday Night | 55°F | Showers And Thunderstorms | 6 to 15 mph N | 91% |
| Monday | 64°F | Chance Rain Showers | 7 to 14 mph NE | 28% |
| Monday Night | 52°F | Rain Showers Likely | 6 to 10 mph NE | 61% |
| Tuesday | 58°F | Rain Showers Likely | 8 mph E | 66% |
| Tuesday Night | 48°F | Rain Showers Likely | 6 to 9 mph E | 61% |
| Wednesday | 55°F | Rain Showers Likely | 8 mph E | 55% |
| Wednesday Night | 48°F | Chance Showers And Thunderstorms | 7 mph E | 50% |
| Thursday | 58°F | Chance Showers And Thunderstorms | 6 mph NE | 50% |
| Thursday Night | 48°F | Chance Rain Showers | 2 to 6 mph NE | 36% |
| Friday | 65°F | Slight Chance Rain Showers then Partly Sunny | 2 to 6 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lemont, PA
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
187 days
Hardiness zone
6b
Explore more for Lemont, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, State College, Pa (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.