Harrison, NY Weather & Growing Conditions
This Afternoon
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 67 in the afternoon. South wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 9 mph S | 0% |
| Tonight | 58°F | Partly Cloudy | 7 mph S | 3% |
| Thursday | 71°F | Chance Light Rain | 5 to 10 mph S | 47% |
| Thursday Night | 61°F | Light Rain Likely | 3 to 8 mph S | 60% |
| Friday | 70°F | Light Rain Likely | 5 mph W | 62% |
| Friday Night | 52°F | Light Rain Likely | 5 mph NW | 62% |
| Saturday | 66°F | Mostly Sunny | 5 to 10 mph NW | 14% |
| Saturday Night | 45°F | Slight Chance Light Rain | 12 mph NW | 23% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 10 to 14 mph NW | 23% |
| Sunday Night | 42°F | Mostly Clear | 10 mph W | 0% |
| Monday | 58°F | Sunny | 9 to 15 mph W | 3% |
| Monday Night | 41°F | Mostly Clear | 7 to 10 mph W | 3% |
| Tuesday | 62°F | Sunny | 9 to 13 mph W | 1% |
| Tuesday Night | 41°F | Mostly Clear | 6 to 9 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrison, NY
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7b
Explore more for Harrison, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Dobbs Ferry-Ardsley, Ny (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.