Peterborough, NH Weather & Growing Conditions
Today
68°F
Sunny
Sunny, with a high near 68. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Sunny | 5 to 10 mph SW | 2% |
| Tonight | 53°F | Partly Cloudy | 10 mph SW | 2% |
| Thursday | 64°F | Chance Light Rain | 10 to 15 mph SW | 44% |
| Thursday Night | 56°F | Chance Light Rain | 5 to 10 mph SW | 54% |
| Friday | 64°F | Light Rain Likely | 0 to 5 mph S | 67% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph NE | 79% |
| Saturday | 57°F | Light Rain Likely | 5 mph NE | 59% |
| Saturday Night | 42°F | Chance Light Rain | 5 to 10 mph N | 39% |
| Sunday | 51°F | Chance Light Rain then Partly Sunny | 5 to 10 mph NW | 27% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 48°F | Slight Chance Light Rain | 5 to 15 mph W | 15% |
| Monday Night | 34°F | Partly Cloudy | 5 to 10 mph W | 12% |
| Tuesday | 51°F | Mostly Sunny | 5 to 10 mph W | 7% |
| Tuesday Night | 34°F | Partly Cloudy | 10 mph W | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Peterborough, NH
Last spring frost
May 5
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
6a
Explore more for Peterborough, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Jaffrey Silver Rch Airpark, Nh (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.