Loudon, NH Weather & Growing Conditions
This Afternoon
68°F
Isolated Rain Showers
Isolated rain showers before 5pm. Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. South wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Isolated Rain Showers | 5 mph S | 16% |
| Tonight | 46°F | Mostly Cloudy | 0 mph | 8% |
| Wednesday | 73°F | Mostly Sunny | 0 to 5 mph SW | 6% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 69°F | Scattered Rain Showers | 5 to 10 mph S | 44% |
| Thursday Night | 57°F | Isolated Rain Showers | 5 mph SW | 20% |
| Friday | 66°F | Light Rain Likely | 0 to 5 mph NW | 64% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph NE | 81% |
| Saturday | 59°F | Light Rain Likely | 5 mph N | 68% |
| Saturday Night | 40°F | Chance Light Rain | 5 mph NW | 53% |
| Sunday | 55°F | Chance Light Rain | 5 to 10 mph W | 27% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph W | 12% |
| Monday | 53°F | Slight Chance Light Rain | 5 to 10 mph W | 19% |
| Monday Night | 32°F | Slight Chance Light Rain | 5 mph W | 18% |
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 Nov 4, 2026.