Monaca, PA Weather & Growing Conditions
Overnight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Partly Cloudy | 2 mph SE | 1% |
| Wednesday | 76°F | Mostly Cloudy then Chance Light Rain | 2 to 10 mph S | 48% |
| Wednesday Night | 59°F | Light Rain | 8 to 12 mph S | 96% |
| Thursday | 67°F | Mostly Sunny | 6 to 12 mph SW | 5% |
| Thursday Night | 48°F | Partly Cloudy | 1 to 5 mph SW | 1% |
| Friday | 61°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph SW | 16% |
| Friday Night | 43°F | Chance Light Rain | 3 to 7 mph W | 40% |
| Saturday | 52°F | Chance Light Rain | 10 mph W | 35% |
| Saturday Night | 37°F | Chance Light Rain | 3 to 9 mph W | 27% |
| Sunday | 53°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 36°F | Partly Cloudy | 7 mph W | 5% |
| Monday | 55°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Monday Night | 37°F | Mostly Clear | 3 to 7 mph SW | 10% |
| Tuesday | 59°F | Mostly Sunny | 7 to 12 mph SW | 3% |
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 Nov 4, 2026.