Monaca, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monaca, a borough in Beaver County, Pennsylvania.
Overnight
58°F
Mostly Cloudy
Mostly cloudy, with a low around 58. Northeast wind around 3 mph.
7-day forecast for Monaca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Mostly Cloudy | 3 mph NE | 1% |
| Saturday | 78°F | Mostly Cloudy | 5 mph E | 5% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 3 mph SE | 74% |
| Sunday | 77°F | Showers And Thunderstorms | 7 mph SW | 95% |
| Sunday Night | 54°F | Showers And Thunderstorms | 8 mph N | 83% |
| Monday | 67°F | Chance Rain Showers | 9 mph NE | 32% |
| Monday Night | 53°F | Rain Showers Likely | 12 mph NE | 58% |
| Tuesday | 63°F | Rain Showers Likely | 14 mph E | 58% |
| Tuesday Night | 51°F | Rain Showers Likely | 13 to 16 mph E | 62% |
| Wednesday | 63°F | Rain Showers Likely | 14 mph E | 62% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 9 to 14 mph E | 63% |
| Thursday | 66°F | Rain Showers Likely | 9 mph E | 59% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 3 to 8 mph E | 23% |
| Friday | 69°F | Slight Chance Rain Showers | 7 mph NE | 17% |
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
Nearby towns & communities
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Ambridge
Ambridge Heights
Baden
Beaver
Beaver Falls
Big Beaver
Bridgewater
Conway
Darlington
East Rochester
Eastvale
Economy
Fallston
Frankfort Springs
Freedom
Georgetown
Glasgow
Hazen
Homewood
Hookstown
Industry
Koppel
Midland
New Brighton
Ohioville
Patterson Heights
Pine Run
Rochester
Shippingport
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 Sep 19, 2026.