Peterborough, NH Weather & Growing Conditions
Today
81°F
Sunny
Sunny, with a high near 81. West wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 0 to 5 mph W | 0% |
| Tonight | 58°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Wednesday | 82°F | Partly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 0 to 5 mph SW | 7% |
| Thursday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 39% |
| Friday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 27% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Saturday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 40% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 36% |
| Sunday | 85°F | Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph W | 9% |
| Monday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 16% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph W | 16% |
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 (11 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.