Bancroft, IA Weather & Growing Conditions
Tonight
42°F
Rain Showers
Rain showers. Cloudy. Low around 42, with temperatures rising to around 46 overnight. Northwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Rain Showers | 14 to 17 mph NW | 92% |
| Wednesday | 49°F | Rain Showers | 14 to 17 mph WNW | 89% |
| Wednesday Night | 39°F | Rain Showers | 15 mph WNW | 90% |
| Thursday | 49°F | Rain Showers Likely | 14 to 17 mph NNW | 56% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 13 mph N | 6% |
| Friday | 47°F | Partly Sunny | 2 to 6 mph N | 0% |
| Friday Night | 29°F | Partly Cloudy | 2 mph SSE | 1% |
| Saturday | 54°F | Mostly Sunny | 2 to 8 mph SW | 2% |
| Saturday Night | 34°F | Mostly Clear | 6 mph W | 4% |
| Sunday | 58°F | Sunny | 8 mph W | 6% |
| Sunday Night | 36°F | Mostly Clear | 8 mph SSW | 2% |
| Monday | 62°F | Sunny | 8 to 13 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 7 mph WNW | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 to 8 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bancroft, IA
Last spring frost
May 4
First fall frost
Oct 1
Growing season
150 days
Hardiness zone
5a
Explore more for Bancroft, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Swea City 5N, Ia (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.