Monaca, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monaca, a borough in Beaver County, Pennsylvania.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. South wind around 5 mph.
7-day forecast for Monaca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 5 mph S | 1% |
| Tonight | 55°F | Mostly Clear | 5 mph SE | 2% |
| Wednesday | 76°F | Partly Sunny then Slight Chance Light Rain | 3 to 9 mph S | 15% |
| Wednesday Night | 60°F | Light Rain | 6 to 10 mph S | 100% |
| Thursday | 69°F | Slight Chance Light Rain then Mostly Sunny | 5 to 10 mph SW | 21% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 5 mph NW | 2% |
| Friday | 64°F | Partly Sunny | 0 to 5 mph NW | 12% |
| Friday Night | 44°F | Chance Light Rain | 5 mph NW | 28% |
| Saturday | 55°F | Chance Light Rain | 5 to 9 mph W | 29% |
| Saturday Night | 38°F | Chance Light Rain then Mostly Cloudy | 2 to 7 mph W | 29% |
| Sunday | 55°F | Partly Sunny then Slight Chance Light Rain | 2 to 9 mph SW | 16% |
| Sunday Night | 36°F | Slight Chance Light Rain | 7 mph W | 18% |
| Monday | 56°F | Chance Light Rain | 7 to 12 mph W | 27% |
| Monday Night | 38°F | Chance Light Rain then Partly Cloudy | 6 to 9 mph SW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Monaca (40.683, -80.273). Updated through the day.
Growing snapshot for Monaca
Last spring frost
Apr 27
First fall frost
Oct 25
Growing season
178 days
Hardiness zone
6b
More local growing data for Monaca: nearby ZIP 15027 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Beaver Falls 1 Ne, Pa (7.7 mi from Monaca). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.