Newtown Grant, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newtown Grant, a community in Bucks County, Pennsylvania.
Overnight
49°F
Mostly Clear
Mostly clear, with a low around 49. South wind around 0 mph.
7-day forecast for Newtown Grant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 73°F | Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 57°F | Mostly Cloudy | 5 mph S | 1% |
| Thursday | 72°F | Chance Light Rain | 5 to 10 mph S | 51% |
| Thursday Night | 60°F | Light Rain | 0 to 5 mph SW | 82% |
| Friday | 69°F | Light Rain | 0 to 5 mph N | 82% |
| Friday Night | 50°F | Light Rain | 0 to 5 mph NW | 80% |
| Saturday | 64°F | Mostly Sunny | 5 to 10 mph W | 8% |
| Saturday Night | 41°F | Slight Chance Light Rain | 5 to 10 mph W | 15% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 38°F | Partly Cloudy | 5 to 10 mph W | 7% |
| Monday | 57°F | Sunny | 10 to 15 mph W | 7% |
| Monday Night | 36°F | Mostly Clear | 5 mph W | 6% |
| Tuesday | 61°F | Sunny | 5 to 15 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Newtown Grant (40.261, -74.949). Updated through the day.
Growing snapshot for Newtown Grant
Last spring frost
Apr 10
First fall frost
Nov 1
Growing season
202 days
Hardiness zone
7a
More local growing data for Newtown Grant: nearby ZIP 18940 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Blooming Glen
Bristol
Brittany Farms-The Highlands
Chalfont
Churchville
Cornwells Heights
Croydon
Doylestown
Dublin
Eddington
Fairless Hills
Feasterville
Hulmeville
Ivyland
Langhorne
Langhorne Manor
Levittown
Milford Square
New Britain
New Hope
Newtown
Parkland
Penndel
Perkasie
Plumsteadville
Quakertown
Richboro
Richlandtown
Riegelsville
Sellersville
Climate data from the nearest NOAA station, Trenton Mercer Co Ap, Nj (6.5 mi from Newtown Grant). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.