Northboro, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northboro, a city in Page County, Iowa.
This Afternoon
86°F
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 for Northboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 28% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 8 mph N | 59% |
| Sunday | 69°F | Chance Showers And Thunderstorms | 10 mph NNE | 38% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 6 to 9 mph NNE | 60% |
| Monday | 62°F | Chance Rain Showers | 9 mph NNE | 54% |
| Monday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NNE | 27% |
| Tuesday | 62°F | Mostly Cloudy | 8 mph NE | 2% |
| Tuesday Night | 48°F | Mostly Cloudy | 5 mph ENE | 2% |
| Wednesday | 65°F | Mostly Sunny | 5 mph E | 0% |
| Wednesday Night | 53°F | Mostly Cloudy | 3 mph ESE | 13% |
| Thursday | 67°F | Chance Rain Showers | 6 mph SE | 34% |
| Thursday Night | 57°F | Chance Rain Showers | 3 mph SE | 32% |
| Friday | 68°F | Slight Chance Rain Showers | 2 to 6 mph ESE | 19% |
| Friday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 5 mph ESE | 25% |
Forecast source: National Weather Service (api.weather.gov) for Northboro (40.607, -95.292). Updated through the day.
Growing snapshot for Northboro
Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
5b
More local growing data for Northboro: nearby ZIP 51647 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Shenandoah, Ia (11.5 mi from Northboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.