New Britain, PA Weather & Growing Conditions
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 65°F | Mostly Cloudy | 0 mph | 4% |
| Wednesday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 46% |
| Wednesday Night | 71°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 69% |
| Thursday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SW | 37% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Friday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 71°F | Mostly Clear | 0 to 5 mph W | 12% |
| Monday | 89°F | Sunny | 0 to 10 mph W | 11% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 17% |
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 Aug 4, 2026.