Northboro, IA Weather & Growing Conditions
Today
86°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. West wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 8 mph W | 32% |
| Tonight | 64°F | Chance Showers And Thunderstorms | 8 mph N | 73% |
| Sunday | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 10 mph NNE | 44% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 9 mph NE | 45% |
| Monday | 62°F | Chance Rain Showers | 9 mph NE | 39% |
| Monday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 5 to 8 mph NE | 25% |
| Tuesday | 62°F | Partly Sunny | 8 mph NE | 3% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph E | 1% |
| Wednesday | 65°F | Mostly Sunny | 5 mph E | 2% |
| Wednesday Night | 53°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph ESE | 15% |
| Thursday | 67°F | Chance Rain Showers | 5 mph ESE | 28% |
| Thursday Night | 58°F | Chance Rain Showers | 3 mph ESE | 27% |
| Friday | 68°F | Chance Rain Showers | 3 to 7 mph ESE | 27% |
| Friday Night | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph ESE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Northboro, IA
Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
5b
Explore more for Northboro, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Shenandoah, Ia (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.