Monessen, PA Weather & Growing Conditions
Today
87°F
Sunny
Sunny, with a high near 87. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 mph E | 0% |
| Tonight | 68°F | Partly Cloudy | 1 to 5 mph SE | 1% |
| Wednesday | 88°F | Mostly Sunny then Isolated Showers And Thunderstorms | 1 to 6 mph S | 16% |
| Wednesday Night | 69°F | Scattered Showers And Thunderstorms | 5 mph S | 49% |
| Thursday | 86°F | Showers And Thunderstorms | 3 to 8 mph SW | 76% |
| Thursday Night | 68°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 7 mph SW | 76% |
| Friday | 85°F | Showers And Thunderstorms | 3 to 8 mph SW | 82% |
| Friday Night | 67°F | Showers And Thunderstorms | 7 mph SW | 82% |
| Saturday | 84°F | Showers And Thunderstorms Likely | 6 to 9 mph SW | 60% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph SW | 60% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 24% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 24% |
| Monday | 88°F | Chance Showers And Thunderstorms | 8 to 12 mph SW | 37% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 9 mph SW | 48% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Monessen, PA
Last spring frost
Apr 13
First fall frost
Nov 5
Growing season
205 days
Hardiness zone
6b
Explore more for Monessen, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Charleroi Lock 4, Pa (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.