Waterville, IA Weather & Growing Conditions
This Afternoon
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. High near 69, with temperatures falling to around 65 in the afternoon. East wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Chance Showers And Thunderstorms | 3 mph E | 37% |
| Tonight | 57°F | Chance Showers And Thunderstorms | 5 to 8 mph N | 44% |
| Sunday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 18% |
| Sunday Night | 51°F | Mostly Cloudy | 9 mph NE | 12% |
| Monday | 63°F | Chance Rain Showers | 8 mph NE | 49% |
| Monday Night | 47°F | Chance Rain Showers | 3 to 7 mph NE | 49% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 3 to 7 mph NE | 17% |
| Tuesday Night | 45°F | Partly Cloudy | 1 to 5 mph NE | 4% |
| Wednesday | 65°F | Mostly Sunny | 1 to 5 mph NE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph NE | 1% |
| Thursday | 67°F | Partly Sunny | 2 mph E | 9% |
| Thursday Night | 52°F | Mostly Cloudy | 0 mph | 8% |
| Friday | 71°F | Partly Sunny | 2 mph NE | 7% |
| Friday Night | 53°F | Partly Cloudy | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Waterville, IA
Last spring frost
May 2
First fall frost
Oct 11
Growing season
161 days
Hardiness zone
5a
Explore more for Waterville, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Waukon, Ia (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.