Barnes City, IA Weather & Growing Conditions
Overnight
47°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Cloudy, with a low around 47. West wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Slight Chance Rain Showers | 14 mph W | 16% |
| Wednesday | 52°F | Slight Chance Rain Showers then Cloudy | 15 mph W | 19% |
| Wednesday Night | 44°F | Mostly Cloudy | 12 mph W | 8% |
| Thursday | 55°F | Rain Showers Likely | 8 to 12 mph WNW | 62% |
| Thursday Night | 39°F | Mostly Cloudy | 8 mph NNW | 11% |
| Friday | 50°F | Mostly Sunny | 5 to 8 mph N | 2% |
| Friday Night | 30°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 58°F | Sunny | 6 mph W | 1% |
| Sunday Night | 35°F | Clear | 3 mph WSW | 0% |
| Monday | 64°F | Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 40°F | Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 3 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Barnes City, IA
Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
176 days
Hardiness zone
5b
Explore more for Barnes City, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Oskaloosa, Ia (14.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.