Wilton, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wilton, a community in Hillsborough County, New Hampshire.
Tonight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. Southwest wind 0 to 5 mph.
7-day forecast for Wilton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Cloudy | 0 to 5 mph SW | 2% |
| Wednesday | 75°F | Mostly Sunny | 0 to 5 mph SW | 4% |
| Wednesday Night | 56°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 72°F | Scattered Rain Showers | 5 to 10 mph SW | 43% |
| Thursday Night | 59°F | Scattered Rain Showers | 0 to 5 mph SW | 48% |
| Friday | 69°F | Light Rain | 0 mph | 75% |
| Friday Night | 53°F | Light Rain | 0 mph | 80% |
| Saturday | 62°F | Light Rain Likely | 0 to 5 mph NW | 71% |
| Saturday Night | 42°F | Chance Light Rain | 0 to 5 mph NW | 54% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 5 mph W | 24% |
| Sunday Night | 36°F | Partly Cloudy | 0 to 5 mph W | 11% |
| Monday | 56°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 19% |
| Monday Night | 35°F | Slight Chance Light Rain | 5 mph W | 19% |
| Tuesday | 57°F | Mostly Sunny | 5 to 10 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Wilton (42.847, -71.736). Updated through the day.
Growing snapshot for Wilton
Last spring frost
May 10
First fall frost
Oct 6
Growing season
147 days
Hardiness zone
6a
More local growing data for Wilton: nearby ZIP 03086 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Amherst
Antrim
Bennington
East Merrimack
Francestown
Goffstown
Greenville
Hancock
Hillsborough
Hudson
Klondike Corner
Manchester
Milford
Nashua
New Boston
Peterborough
Pinardville
South Hooksett
Climate data from the nearest NOAA station, Greenville 1 Nne, Nh (3.9 mi from Wilton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.