Hayti, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hayti, a community in Chester County, Pennsylvania.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. South wind 5 to 10 mph.
7-day forecast for Hayti
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 5 to 10 mph S | 1% |
| Tonight | 57°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph S | 5% |
| Thursday | 70°F | Light Rain Likely then Mostly Cloudy | 5 to 10 mph S | 62% |
| Thursday Night | 59°F | Light Rain | 0 to 5 mph SW | 81% |
| Friday | 68°F | Light Rain | 0 to 5 mph N | 81% |
| Friday Night | 48°F | Chance Light Rain | 0 to 5 mph NW | 52% |
| Saturday | 61°F | Mostly Sunny | 5 to 10 mph NW | 9% |
| Saturday Night | 41°F | Partly Cloudy | 5 to 10 mph W | 9% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph NW | 4% |
| Sunday Night | 39°F | Mostly Clear | 5 to 10 mph W | 4% |
| Monday | 57°F | Sunny | 10 to 15 mph W | 5% |
| Monday Night | 37°F | Mostly Clear | 5 mph W | 4% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 3% |
| Tuesday Night | 39°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Hayti (39.987, -75.844). Updated through the day.
Growing snapshot for Hayti
Last spring frost
Apr 19
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
7a
More local growing data for Hayti: nearby ZIP 19320 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Coatesville 2 W, Pa (2.1 mi from Hayti). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.