Morrisville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Morrisville, a borough in Mercer County, Pennsylvania.
This Afternoon
75°F
Mostly Cloudy
Mostly cloudy, with a high near 75. East wind around 5 mph.
7-day forecast for Morrisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Cloudy | 5 mph E | 1% |
| Tonight | 60°F | Mostly Cloudy | 0 to 5 mph E | 5% |
| Sunday | 77°F | Rain Showers Likely | 5 to 10 mph SE | 68% |
| Sunday Night | 59°F | Rain Showers Likely | 5 mph W | 68% |
| Monday | 71°F | Partly Sunny then Chance Rain Showers | 5 to 10 mph NE | 30% |
| Monday Night | 55°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 67°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 36% |
| Wednesday | 65°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Wednesday Night | 53°F | Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Thursday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Thursday Night | 51°F | Chance Rain Showers | 10 mph NE | 36% |
| Friday | 67°F | Chance Rain Showers | 10 mph N | 36% |
| Friday Night | 52°F | Chance Rain Showers | 10 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for Morrisville (40.208, -74.780). Updated through the day.
Growing snapshot for Morrisville
Last spring frost
Apr 17
First fall frost
Oct 28
Growing season
192 days
More local growing data for Morrisville: nearby ZIP 08608 weather · frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Trenton State College, Nj (3.8 mi from Morrisville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.