Troy, NH Weather & Growing Conditions
Overnight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Partly Cloudy | 0 mph | 2% |
| Wednesday | 71°F | Sunny | 0 to 5 mph SW | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph S | 1% |
| Thursday | 66°F | Chance Light Rain | 5 to 10 mph S | 50% |
| Thursday Night | 57°F | Light Rain Likely | 0 to 10 mph SW | 57% |
| Friday | 67°F | Light Rain Likely | 0 mph | 67% |
| Friday Night | 51°F | Light Rain | 0 mph | 78% |
| Saturday | 61°F | Chance Light Rain | 0 to 5 mph N | 54% |
| Saturday Night | 40°F | Chance Light Rain | 5 mph NW | 37% |
| Sunday | 54°F | Chance Light Rain then Partly Sunny | 5 to 10 mph NW | 27% |
| Sunday Night | 33°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 51°F | Slight Chance Light Rain | 5 to 10 mph W | 15% |
| Monday Night | 30°F | Partly Cloudy | 5 mph W | 11% |
| Tuesday | 54°F | Mostly Sunny | 5 to 10 mph W | 7% |
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
154 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 Silver Rch Airpark, Nh (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.