Monaca, PA Weather & Growing Conditions
Overnight
58°F
Mostly Cloudy
Mostly cloudy, with a low around 58. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Mostly Cloudy | 5 mph NE | 1% |
| Saturday | 77°F | Partly Sunny | 5 mph E | 5% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 5 mph SE | 74% |
| Sunday | 76°F | Showers And Thunderstorms | 8 mph SW | 95% |
| Sunday Night | 54°F | Showers And Thunderstorms | 9 mph N | 86% |
| Monday | 66°F | Chance Rain Showers | 10 mph NE | 32% |
| Monday Night | 53°F | Rain Showers Likely | 12 mph NE | 58% |
| Tuesday | 62°F | Rain Showers Likely | 14 mph E | 58% |
| Tuesday Night | 51°F | Rain Showers Likely | 13 to 16 mph E | 63% |
| Wednesday | 62°F | Rain Showers Likely | 14 mph E | 63% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 9 to 14 mph E | 63% |
| Thursday | 65°F | Rain Showers Likely | 9 mph E | 59% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 3 to 8 mph E | 24% |
| Friday | 68°F | Slight Chance Rain Showers | 7 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Monaca, PA
Last spring frost
Apr 28
First fall frost
Oct 26
Growing season
178 days
Hardiness zone
6b
Explore more for Monaca, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Montgomery L&D, Pa (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.