New Hampton, IA Weather & Growing Conditions
Overnight
62°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a low around 62. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms Likely | 10 mph SE | 64% |
| Saturday | 71°F | Showers And Thunderstorms Likely | 7 to 12 mph SW | 59% |
| Saturday Night | 56°F | Chance Showers And Thunderstorms | 9 to 14 mph N | 31% |
| Sunday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 17 mph NE | 20% |
| Sunday Night | 50°F | Mostly Cloudy then Chance Rain Showers | 15 mph NE | 26% |
| Monday | 61°F | Chance Rain Showers | 12 to 16 mph NE | 30% |
| Monday Night | 45°F | Chance Rain Showers | 8 to 12 mph NE | 27% |
| Tuesday | 59°F | Mostly Sunny | 10 mph NE | 12% |
| Tuesday Night | 42°F | Mostly Clear | 6 mph E | 2% |
| Wednesday | 63°F | Sunny | 7 mph E | 1% |
| Wednesday Night | 47°F | Mostly Clear | 5 mph E | 4% |
| Thursday | 65°F | Slight Chance Rain Showers | 5 mph E | 15% |
| Thursday Night | 50°F | Partly Cloudy | 3 mph E | 4% |
| Friday | 67°F | Mostly Sunny | 6 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Hampton, IA
Last spring frost
May 2
First fall frost
Oct 5
Growing season
155 days
Hardiness zone
5a
Explore more for New Hampton, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, New Hampton, Ia (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.