Northboro, IA Weather & Growing Conditions
This Afternoon
64°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 64, with temperatures falling to around 53 in the afternoon. North northwest wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Rain Showers Likely | 20 mph NNW | 64% |
| Tonight | 43°F | Chance Rain Showers then Cloudy | 13 to 20 mph NW | 50% |
| Wednesday | 55°F | Mostly Cloudy | 10 to 16 mph WNW | 11% |
| Wednesday Night | 39°F | Partly Cloudy | 8 mph W | 13% |
| Thursday | 54°F | Chance Rain Showers | 8 to 12 mph NW | 31% |
| Thursday Night | 38°F | Mostly Cloudy | 7 mph NNW | 6% |
| Friday | 55°F | Partly Sunny | 1 to 5 mph N | 3% |
| Friday Night | 35°F | Mostly Cloudy | 1 mph ENE | 0% |
| Saturday | 60°F | Mostly Sunny | 1 to 5 mph WSW | 2% |
| Saturday Night | 37°F | Mostly Clear | 2 mph W | 5% |
| Sunday | 64°F | Sunny | 5 mph W | 4% |
| Sunday Night | 40°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 68°F | Sunny | 5 to 12 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph NW | 0% |
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 Nov 4, 2026.