Lemont, PA Weather & Growing Conditions
Today
80°F
Sunny
Sunny, with a high near 80. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 3 mph SE | 0% |
| Tonight | 62°F | Mostly Cloudy | 5 mph SE | 5% |
| Wednesday | 79°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 6 mph SE | 45% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 6 mph SE | 42% |
| Thursday | 82°F | Slight Chance Showers And Thunderstorms | 6 mph SW | 85% |
| Thursday Night | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 85% |
| Friday | 82°F | Showers And Thunderstorms | 2 to 6 mph SW | 81% |
| Friday Night | 66°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 6 mph SW | 81% |
| Saturday | 80°F | Showers And Thunderstorms Likely | 0 to 6 mph W | 56% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 56% |
| Sunday | 83°F | Mostly Sunny | 1 to 7 mph W | 14% |
| Sunday Night | 67°F | Partly Cloudy | 2 to 6 mph SW | 14% |
| Monday | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 10 mph W | 28% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 2 to 8 mph W | 28% |
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 Aug 4, 2026.