Plymouth, NH Weather & Growing Conditions
This Afternoon
60°F
Sunny
Sunny, with a high near 60. Northwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Sunny | 0 mph | 0% |
| Tonight | 38°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Sunday | 52°F | Rain Showers Likely then Rain | 5 mph SE | 95% |
| Sunday Night | 39°F | Rain then Chance Rain Showers | 0 to 10 mph NE | 80% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph NW | 1% |
| Monday Night | 35°F | Mostly Cloudy | 5 to 10 mph N | 0% |
| Tuesday | 57°F | Partly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 36°F | Partly Cloudy | 0 mph | 0% |
| Wednesday | 58°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Wednesday Night | 35°F | Partly Cloudy | 0 to 5 mph E | 4% |
| Thursday | 57°F | Chance Rain Showers | 0 to 5 mph NE | 25% |
| Thursday Night | 38°F | Chance Rain Showers | 0 to 5 mph NE | 28% |
| Friday | 59°F | Chance Rain Showers | 5 mph N | 27% |
| Friday Night | 39°F | Chance Rain Showers | 5 mph N | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plymouth, NH
Last spring frost
May 12
First fall frost
Oct 6
Growing season
146 days
Hardiness zone
5a
Explore more for Plymouth, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Wentworth, Nh (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.