Harrison, NY Weather & Growing Conditions
This Afternoon
69°F
Partly Sunny
Partly sunny. High near 69, with temperatures falling to around 64 in the afternoon. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Partly Sunny | 7 mph S | 0% |
| Tonight | 50°F | Partly Cloudy then Patchy Fog | 5 mph SW | 3% |
| Wednesday | 72°F | Patchy Fog then Sunny | 3 to 10 mph SW | 3% |
| Wednesday Night | 56°F | Partly Cloudy | 7 mph S | 2% |
| Thursday | 71°F | Chance Rain Showers | 5 to 9 mph S | 45% |
| Thursday Night | 60°F | Rain Showers | 3 to 7 mph S | 81% |
| Friday | 67°F | Showers And Thunderstorms | 5 mph S | 83% |
| Friday Night | 53°F | Showers And Thunderstorms then Light Rain Likely | 6 mph W | 83% |
| Saturday | 65°F | Chance Light Rain | 8 mph NW | 49% |
| Saturday Night | 42°F | Slight Chance Light Rain | 8 mph NW | 17% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 9 mph W | 17% |
| Sunday Night | 39°F | Partly Cloudy then Slight Chance Light Rain | 8 mph W | 15% |
| Monday | 59°F | Slight Chance Light Rain | 9 to 15 mph NW | 23% |
| Monday Night | 38°F | Chance Light Rain | 9 mph W | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrison, NY
Last spring frost
Apr 12
First fall frost
Oct 31
Growing season
200 days
Hardiness zone
7a
Explore more for Harrison, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Westchester Co Ap, Ny (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.