Deep River, IA Weather & Growing Conditions
This Afternoon
70°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 70, with temperatures falling to around 64 in the afternoon. South southeast wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms Likely | 12 mph SSE | 73% |
| Tonight | 47°F | Chance Rain Showers | 8 to 13 mph SSW | 46% |
| Wednesday | 54°F | Mostly Cloudy then Chance Rain Showers | 15 mph WSW | 29% |
| Wednesday Night | 43°F | Mostly Cloudy | 13 mph WSW | 10% |
| Thursday | 53°F | Chance Rain Showers | 12 mph WNW | 42% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph NNW | 18% |
| Friday | 52°F | Partly Sunny | 5 to 9 mph N | 4% |
| Friday Night | 33°F | Partly Cloudy | 3 mph NNW | 1% |
| Saturday | 55°F | Mostly Sunny | 3 mph W | 1% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 60°F | Sunny | 7 mph W | 6% |
| Sunday Night | 37°F | Mostly Clear | 6 mph WSW | 2% |
| Monday | 64°F | Sunny | 6 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Deep River, IA
Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
172 days
Hardiness zone
5b
Explore more for Deep River, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Sigourney, Ia (17.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.