Poy Sippi, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Poy Sippi, a community in Waushara County, Wisconsin.
This Afternoon
65°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. High near 65, with temperatures falling to around 63 in the afternoon. East wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Poy Sippi
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Rain Showers Likely | 9 mph E | 64% |
| Tonight | 54°F | Showers And Thunderstorms | 7 to 10 mph E | 97% |
| Saturday | 64°F | Showers And Thunderstorms | 10 mph E | 86% |
| Saturday Night | 52°F | Rain Showers Likely | 9 mph NE | 71% |
| Sunday | 67°F | Slight Chance Rain Showers then Partly Sunny | 10 to 14 mph NE | 20% |
| Sunday Night | 47°F | Mostly Cloudy | 12 mph NE | 2% |
| Monday | 62°F | Mostly Cloudy | 9 to 13 mph NE | 5% |
| Monday Night | 44°F | Mostly Cloudy | 7 to 10 mph NE | 9% |
| Tuesday | 61°F | Partly Sunny | 7 to 10 mph NE | 9% |
| Tuesday Night | 44°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 65°F | Mostly Sunny | 3 to 8 mph NE | 4% |
| Wednesday Night | 46°F | Partly Cloudy then Patchy Fog | 1 to 5 mph NE | 2% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 1 to 5 mph NE | 4% |
| Thursday Night | 48°F | Partly Cloudy | 2 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Poy Sippi (44.137, -88.998). Updated through the day.
Growing snapshot for Poy Sippi
Last spring frost
May 1
First fall frost
Oct 8
Growing season
158 days
Hardiness zone
5a
More local growing data for Poy Sippi: nearby ZIP 54967 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Berlin Wwtp, Wi (9.6 mi from Poy Sippi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.