Poplar, WI Weather & Growing Conditions
This Afternoon
62°F
Mostly Cloudy
Mostly cloudy. High near 62, with temperatures falling to around 59 in the afternoon. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Mostly Cloudy | 5 mph NE | 3% |
| Tonight | 49°F | Mostly Cloudy | 0 to 5 mph N | 14% |
| Sunday | 60°F | Mostly Cloudy | 5 to 15 mph NE | 7% |
| Sunday Night | 41°F | Mostly Cloudy | 5 to 10 mph E | 4% |
| Monday | 59°F | Mostly Cloudy | 5 to 10 mph NE | 4% |
| Monday Night | 37°F | Partly Cloudy | 0 to 10 mph E | 0% |
| Tuesday | 62°F | Patchy Frost then Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 66°F | Sunny | 0 to 5 mph E | 0% |
| Wednesday Night | 43°F | Mostly Clear | 0 to 5 mph E | 2% |
| Thursday | 67°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph SE | 15% |
| Thursday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph E | 15% |
| Friday | 71°F | Partly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 49°F | Partly Cloudy | 0 mph | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Poplar, WI
Last spring frost
May 12
First fall frost
Oct 2
Growing season
142 days
Hardiness zone
4a
Explore more for Poplar, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Solon Springs, Wi (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.