Wilton, NH Weather & Growing Conditions
Overnight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Partly Cloudy | 5 mph SW | 2% |
| Wednesday | 72°F | Mostly Sunny | 5 mph SW | 5% |
| Wednesday Night | 55°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 69°F | Scattered Rain Showers | 5 to 10 mph SW | 46% |
| Thursday Night | 59°F | Scattered Rain Showers | 0 to 5 mph SW | 44% |
| Friday | 66°F | Light Rain Likely | 0 to 5 mph S | 74% |
| Friday Night | 52°F | Light Rain | 0 to 5 mph N | 79% |
| Saturday | 60°F | Light Rain Likely | 5 mph NW | 70% |
| Saturday Night | 42°F | Chance Light Rain | 5 mph NW | 53% |
| Sunday | 56°F | Chance Light Rain then Mostly Sunny | 5 mph W | 25% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph W | 11% |
| Monday | 53°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 19% |
| Monday Night | 35°F | Slight Chance Light Rain | 5 to 10 mph W | 19% |
| Tuesday | 54°F | Mostly Sunny | 10 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wilton, NH
Last spring frost
May 3
First fall frost
Oct 5
Growing season
156 days
Hardiness zone
6a
Explore more for Wilton, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Milford, Nh (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.