Northwood, IA Weather & Growing Conditions
Overnight
45°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 45, with temperatures rising to around 47 overnight. West northwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Rain Showers Likely | 10 mph WNW | 55% |
| Wednesday | 49°F | Rain Showers Likely | 15 mph W | 61% |
| Wednesday Night | 43°F | Rain Showers Likely | 10 to 14 mph WNW | 67% |
| Thursday | 48°F | Chance Rain Showers then Cloudy | 12 to 15 mph NNW | 40% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 10 mph N | 5% |
| Friday | 45°F | Mostly Sunny | 6 mph NNE | 1% |
| Friday Night | 26°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 48°F | Mostly Sunny | 1 to 7 mph SW | 1% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 2% |
| Sunday | 54°F | Sunny | 7 mph W | 3% |
| Sunday Night | 34°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 6 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 57°F | Mostly Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Northwood, IA
Last spring frost
May 4
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
5a
Explore more for Northwood, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Northwood, Ia (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.