Troy, NH Weather & Growing Conditions
This Afternoon
70°F
Sunny
Sunny, with a high near 70. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Sunny | 5 to 10 mph SW | 2% |
| Tonight | 53°F | Partly Cloudy | 5 mph SW | 1% |
| Thursday | 66°F | Light Rain Likely | 10 mph SW | 57% |
| Thursday Night | 57°F | Light Rain Likely | 0 to 10 mph SW | 61% |
| Friday | 65°F | Light Rain Likely | 0 to 5 mph S | 70% |
| Friday Night | 51°F | Light Rain | 0 mph | 79% |
| Saturday | 59°F | Light Rain Likely | 0 to 5 mph N | 59% |
| Saturday Night | 40°F | Chance Light Rain | 5 mph NW | 34% |
| Sunday | 53°F | Chance Light Rain then Partly Sunny | 5 to 10 mph NW | 26% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 49°F | Mostly Sunny | 5 to 15 mph W | 14% |
| Monday Night | 31°F | Partly Cloudy | 5 mph W | 11% |
| Tuesday | 53°F | Mostly Sunny | 5 to 10 mph W | 7% |
| Tuesday Night | 31°F | Partly Cloudy | 5 to 10 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Troy, NH
Last spring frost
May 5
First fall frost
Oct 6
Growing season
152 days
Hardiness zone
6a
Explore more for Troy, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Jaffrey Muni Ap, Nh (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.