Morrisville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Morrisville, a borough in Mercer County, Pennsylvania.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Northeast wind around 0 mph.
7-day forecast for Morrisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 mph | 3% |
| Wednesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 54% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph S | 69% |
| Thursday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SW | 25% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Saturday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 15% |
| Monday | 91°F | Sunny | 0 to 10 mph W | 10% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 16% |
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 Aug 4, 2026.