Little Britain, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Little Britain, a community in Chester County, Pennsylvania.
This Afternoon
81°F
Mostly Sunny
Mostly sunny, with a high near 81. North wind around 8 mph.
7-day forecast for Little Britain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 8 mph N | 1% |
| Tonight | 56°F | Partly Cloudy | 7 mph N | 0% |
| Saturday | 75°F | Mostly Sunny | 6 mph E | 2% |
| Saturday Night | 61°F | Mostly Cloudy | 7 mph SE | 4% |
| Sunday | 76°F | Rain Showers Likely | 7 to 10 mph S | 70% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 3 to 8 mph NW | 72% |
| Monday | 70°F | Chance Rain Showers | 9 mph NE | 40% |
| Monday Night | 56°F | Chance Rain Showers | 7 to 12 mph NE | 40% |
| Tuesday | 63°F | Chance Rain Showers | 14 mph NE | 46% |
| Tuesday Night | 52°F | Chance Rain Showers | 10 to 14 mph NE | 46% |
| Wednesday | 61°F | Chance Rain Showers | 14 mph NE | 41% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 41% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 13 mph NE | 40% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms | 5 to 9 mph NE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Little Britain (39.779, -76.109). Updated through the day.
Growing snapshot for Little Britain
Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
179 days
Hardiness zone
7a
More local growing data for Little Britain: nearby ZIP 19362 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Octoraro Lake, Pa (3.4 mi from Little Britain). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.