Loudon, NH Weather & Growing Conditions
Today
82°F
Sunny
Sunny, with a high near 82. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 5 to 10 mph W | 0% |
| Tonight | 58°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 84°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 5 mph SW | 6% |
| Thursday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 39% |
| Friday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 22% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 22% |
| Saturday | 85°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 44% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 38% |
| Sunday | 86°F | Sunny | 0 to 5 mph W | 8% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph W | 7% |
| Monday | 86°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 17% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Loudon, NH
Last spring frost
May 8
First fall frost
Oct 3
Growing season
146 days
Hardiness zone
5b
Explore more for Loudon, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Concord Muni Ap, Nh (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.