Little Britain, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Little Britain, a community in Chester County, Pennsylvania.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind 1 to 5 mph.
7-day forecast for Little Britain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 1 to 5 mph NE | 0% |
| Tonight | 65°F | Mostly Cloudy then Patchy Fog | 3 mph E | 14% |
| Wednesday | 83°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 73% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 6 mph S | 43% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph S | 38% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 44% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 52% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 52% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph W | 42% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 42% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 15% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 15% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 21% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 6 mph W | 21% |
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 Aug 4, 2026.