New Britain, PA Weather & Growing Conditions
This Afternoon
74°F
Partly Sunny
Partly sunny, with a high near 74. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Partly Sunny | 5 mph E | 1% |
| Tonight | 58°F | Mostly Cloudy | 5 mph E | 11% |
| Sunday | 73°F | Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 84% |
| Sunday Night | 57°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 10 mph W | 74% |
| Monday | 68°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Monday Night | 51°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Tuesday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 27% |
| Wednesday Night | 50°F | Chance Rain Showers | 15 mph NE | 32% |
| Thursday | 62°F | Chance Rain Showers | 15 mph NE | 33% |
| Thursday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Friday | 66°F | Chance Rain Showers | 10 to 15 mph N | 31% |
| Friday Night | 50°F | Chance Rain Showers | 5 to 15 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Britain, PA
Last spring frost
Apr 13
First fall frost
Oct 30
Growing season
198 days
Hardiness zone
7a
Explore more for New Britain, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Doylestown Ap, Pa (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.