Loudon, NH Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. West wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 0 to 10 mph W | 0% |
| Tonight | 57°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 86°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 5 mph SW | 6% |
| Thursday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 41% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 35% |
| Friday | 89°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 | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 38% |
| Sunday | 88°F | Sunny | 0 to 5 mph W | 8% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph W | 7% |
| Monday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 16% |
| Monday Night | 64°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 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 (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.