Poplar Plains, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Poplar Plains, a community in Fairfield County, Connecticut.
Today
69°F
Partly Sunny
Partly sunny. High near 69, with temperatures falling to around 67 in the afternoon. East wind around 8 mph.
7-day forecast for Poplar Plains
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Partly Sunny | 8 mph E | 0% |
| Tonight | 55°F | Partly Cloudy | 7 mph SE | 2% |
| Sunday | 68°F | Rain | 9 mph SE | 94% |
| Sunday Night | 53°F | Rain | 6 to 12 mph E | 94% |
| Monday | 67°F | Chance Light Rain then Partly Sunny | 8 to 13 mph NE | 25% |
| Monday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 12 mph NE | 20% |
| Tuesday | 63°F | Slight Chance Rain Showers | 13 mph NE | 24% |
| Tuesday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 23% |
| Wednesday | 65°F | Slight Chance Rain Showers | 17 mph NE | 15% |
| Wednesday Night | 48°F | Chance Rain Showers | 17 mph NE | 30% |
| Thursday | 63°F | Chance Rain Showers | 18 mph NE | 31% |
| Thursday Night | 49°F | Chance Rain Showers | 17 mph NE | 38% |
| Friday | 64°F | Chance Rain Showers | 14 to 17 mph N | 36% |
| Friday Night | 49°F | Chance Rain Showers | 17 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov) for Poplar Plains (41.169, -73.378). Updated through the day.
Growing snapshot for Poplar Plains
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a
More local growing data for Poplar Plains: nearby ZIP 06851 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Ball Pond
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Bigelow Corners
Bogus Hill
Botsford
Branchville
Bridgeport
Brookfield Center
Candlewood Isle
Candlewood Knolls
Candlewood Lake Club
Candlewood Orchards
Candlewood Shores
Cannondale
Chimney Point
Coleytown
Compo
Cos Cob
Danbury
Daniels Farm
Darien Downtown
Dodgingtown
East Village
Fairfield University
Georgetown
Greens Farms
Greenwich
Hawleyville
Indian Field
Inglenook
Climate data from the nearest NOAA station, Stamford 5 N, Ct (7.7 mi from Poplar Plains). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.