Anamosa, IA Weather & Growing Conditions
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Tuesday Night | 63°F | Showers And Thunderstorms Likely | 5 mph N | 83% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 58% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 38% |
| Thursday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 0 mph | 23% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 2% |
| Friday | 82°F | Sunny | 0 to 5 mph SE | 3% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 86°F | Mostly Sunny | 5 mph S | 10% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 24% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph S | 24% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 mph S | 41% |
| Monday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Anamosa, IA
Last spring frost
May 1
First fall frost
Oct 4
Growing season
154 days
Hardiness zone
5a
Explore more for Anamosa, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Anamosa 1 Wnw, Ia (0.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.