Hopkinton, IA Weather & Growing Conditions
Today
51°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm, then a slight chance of drizzle. Cloudy, with a high near 51. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Slight Chance Rain Showers | 10 to 15 mph SW | 23% |
| Tonight | 46°F | Chance Rain Showers | 10 mph SW | 28% |
| Thursday | 50°F | Chance Rain Showers | 10 mph NW | 32% |
| Thursday Night | 37°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Friday | 49°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 34°F | Clear | 0 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 61°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hopkinton, IA
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
Explore more for Hopkinton, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Cascade, Ia (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.