Waterville, IA Weather & Growing Conditions
Overnight
51°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. Low around 51, with temperatures rising to around 55 overnight. South wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Slight Chance Rain Showers | 6 mph S | 22% |
| Wednesday | 56°F | Rain Showers Likely | 7 to 12 mph SW | 66% |
| Wednesday Night | 44°F | Rain Showers Likely | 7 to 12 mph W | 68% |
| Thursday | 53°F | Chance Rain Showers | 7 to 10 mph NW | 53% |
| Thursday Night | 37°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph N | 15% |
| Friday | 48°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Friday Night | 28°F | Mostly Clear | 1 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 3 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 2 mph W | 2% |
| Sunday | 56°F | Sunny | 2 to 6 mph W | 3% |
| Sunday Night | 35°F | Mostly Clear | 2 mph SW | 0% |
| Monday | 61°F | Sunny | 1 to 8 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 1 to 5 mph W | 0% |
| Tuesday | 59°F | Mostly Sunny | 2 mph NW | 0% |
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 Nov 4, 2026.