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
57°F
Partly Cloudy
Partly cloudy, with a low around 57. Northeast wind around 10 mph.
7-day forecast for Newtown Grant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Partly Cloudy | 10 mph NE | 0% |
| Saturday | 74°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 58°F | Mostly Cloudy | 5 to 10 mph SE | 6% |
| Sunday | 73°F | Rain Showers | 5 to 10 mph S | 80% |
| Sunday Night | 57°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph W | 70% |
| Monday | 68°F | Chance Rain Showers | 5 to 10 mph NE | 43% |
| Monday Night | 51°F | Chance Rain Showers | 5 to 10 mph NE | 32% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Tuesday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 26% |
| Wednesday Night | 50°F | Chance Rain Showers | 15 mph NE | 31% |
| Thursday | 61°F | Chance Rain Showers | 15 mph NE | 34% |
| Thursday Night | 49°F | Chance Rain Showers | 10 to 15 mph N | 34% |
| Friday | 65°F | Chance Rain Showers | 10 to 15 mph N | 32% |
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
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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 Sep 19, 2026.