Nashua, IA Weather & Growing Conditions
This Afternoon
72°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. High near 72, with temperatures falling to around 70 in the afternoon. Northwest wind around 5 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 |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Showers And Thunderstorms | 5 mph NW | 25% |
| Tonight | 57°F | Chance Showers And Thunderstorms | 7 to 13 mph N | 34% |
| Sunday | 66°F | Slight Chance Rain Showers | 13 to 16 mph NE | 18% |
| Sunday Night | 51°F | Cloudy then Chance Rain Showers | 12 to 15 mph NE | 37% |
| Monday | 59°F | Rain Showers Likely | 15 mph NE | 66% |
| Monday Night | 47°F | Rain Showers Likely | 12 mph NE | 66% |
| Tuesday | 60°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 24% |
| Tuesday Night | 44°F | Partly Cloudy | 7 mph NE | 2% |
| Wednesday | 64°F | Mostly Sunny | 7 mph E | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 5 mph E | 5% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph SE | 15% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 3 mph SE | 19% |
| Friday | 69°F | Partly Sunny | 2 to 6 mph E | 13% |
| Friday Night | 54°F | Mostly Cloudy | 5 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Nashua, IA
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
157 days
Hardiness zone
5a
Explore more for Nashua, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Charles City, Ia (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.