Bolan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bolan, a community in Worth County, Iowa.
Overnight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 67 overnight. South southwest wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Bolan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Chance Showers And Thunderstorms | 9 mph SSW | 32% |
| Tuesday | 72°F | Showers And Thunderstorms Likely | 10 mph WNW | 66% |
| Tuesday Night | 56°F | Chance Showers And Thunderstorms | 2 to 7 mph NW | 45% |
| Wednesday | 72°F | Mostly Sunny | 3 mph N | 1% |
| Wednesday Night | 54°F | Mostly Clear | 2 mph SSW | 1% |
| Thursday | 77°F | Sunny | 1 to 7 mph SSW | 0% |
| Thursday Night | 59°F | Mostly Clear | 6 mph S | 1% |
| Friday | 81°F | Sunny | 5 to 13 mph S | 8% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph S | 18% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms then Sunny | 6 to 12 mph S | 15% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 9 to 13 mph SW | 36% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 10 mph S | 36% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 9 mph SSE | 34% |
| Monday | 82°F | Chance Showers And Thunderstorms | 12 mph E | 34% |
Forecast source: National Weather Service (api.weather.gov) for Bolan (43.371, -93.119). Updated through the day.
Growing snapshot for Bolan
Last spring frost
May 4
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
5a
More local growing data for Bolan: nearby ZIP 50440 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Northwood, Ia (10.7 mi from Bolan). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.