Poplar, WI Weather & Growing Conditions
This Afternoon
63°F
Partly Sunny
Partly sunny. High near 63, with temperatures falling to around 59 in the afternoon. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Partly Sunny | 5 mph NE | 3% |
| Tonight | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 10 mph NE | 18% |
| Sunday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 9% |
| Sunday Night | 44°F | Mostly Cloudy | 5 to 10 mph E | 11% |
| Monday | 60°F | Mostly Cloudy | 5 to 15 mph E | 11% |
| Monday Night | 37°F | Partly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 62°F | Patchy Frost then Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 42°F | Mostly Clear | 0 to 10 mph E | 0% |
| Wednesday | 64°F | Sunny | 0 to 10 mph E | 0% |
| Wednesday Night | 45°F | Mostly Clear | 0 to 10 mph E | 1% |
| Thursday | 66°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph E | 15% |
| Thursday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph E | 15% |
| Friday | 70°F | Partly Sunny | 0 to 5 mph E | 5% |
| Friday Night | 51°F | Partly Cloudy | 0 mph | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Poplar, WI
Last spring frost
May 24
First fall frost
Sep 26
Growing season
124 days
Hardiness zone
4b
Explore more for Poplar, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Brule Rs, Wi (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.