Darien, WI Weather & Growing Conditions
This Afternoon
70°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 70. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain | 15 to 20 mph S | 93% |
| Tonight | 55°F | Light Rain | 15 mph S | 86% |
| Wednesday | 61°F | Light Rain | 15 mph SW | 78% |
| Wednesday Night | 44°F | Chance Light Rain | 10 to 15 mph SW | 33% |
| Thursday | 55°F | Light Rain Likely | 5 to 15 mph W | 66% |
| Thursday Night | 38°F | Chance Light Rain | 5 to 10 mph NW | 47% |
| Friday | 49°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 15 mph N | 19% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 7% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 6% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Darien, WI
Last spring frost
Apr 28
First fall frost
Oct 14
Growing season
168 days
Hardiness zone
5b
Explore more for Darien, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Delavan Wwtp, Wi (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.