Barnes City, IA Weather & Growing Conditions
Today
86°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Partly sunny. High near 86, with temperatures falling to around 83 in the afternoon. West southwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 mph WSW | 23% |
| Tonight | 64°F | Showers And Thunderstorms | 9 mph NNE | 89% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 7 mph NNE | 74% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 6 mph NNE | 51% |
| Thursday | 81°F | Slight Chance Rain Showers then Sunny | 3 mph NE | 16% |
| Thursday Night | 60°F | Mostly Clear | 2 mph E | 1% |
| Friday | 84°F | Sunny | 1 to 5 mph SE | 5% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 mph SSE | 16% |
| Saturday | 88°F | Sunny then Slight Chance Rain Showers | 3 to 7 mph S | 15% |
| Saturday Night | 71°F | Slight Chance Rain Showers then Mostly Clear | 7 to 10 mph S | 15% |
| Sunday | 89°F | Sunny | 10 mph SSW | 13% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 mph SSE | 33% |
| Monday | 89°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 12 mph SSW | 33% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 12 mph SE | 31% |
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 Aug 4, 2026.