Waterville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waterville, a city in Allamakee County, Iowa.
Today
70°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 70, with temperatures falling to around 68 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Waterville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Showers And Thunderstorms | 5 mph SE | 93% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 6 mph N | 71% |
| Sunday | 65°F | Chance Rain Showers then Mostly Cloudy | 7 to 10 mph NE | 31% |
| Sunday Night | 51°F | Mostly Cloudy | 9 mph NE | 14% |
| Monday | 64°F | Slight Chance Rain Showers | 6 to 9 mph NE | 21% |
| Monday Night | 46°F | Mostly Cloudy | 2 to 8 mph NE | 12% |
| Tuesday | 63°F | Mostly Sunny | 2 to 7 mph NE | 12% |
| Tuesday Night | 43°F | Mostly Clear | 1 to 5 mph NE | 2% |
| Wednesday | 67°F | Sunny | 1 to 5 mph NE | 1% |
| Wednesday Night | 47°F | Mostly Clear | 2 mph NE | 3% |
| Thursday | 68°F | Mostly Sunny | 2 mph NE | 6% |
| Thursday Night | 50°F | Partly Cloudy | 1 mph NE | 3% |
| Friday | 71°F | Mostly Sunny | 0 to 3 mph E | 4% |
| Friday Night | 50°F | Partly Cloudy | 1 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Waterville (43.208, -91.297). Updated through the day.
Growing snapshot for Waterville
Last spring frost
May 2
First fall frost
Oct 11
Growing season
161 days
Hardiness zone
5a
More local growing data for Waterville: nearby ZIP 52170 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Waukon, Ia (8.9 mi from Waterville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.