Algoma, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Algoma, a city in Kewaunee County, Wisconsin.
Today
78°F
Partly Sunny then Chance Showers And Thunderstorms
A slight chance of rain showers between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 78, with temperatures falling to around 75 in the afternoon. Heat index values as high as 77. South southwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Algoma
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Partly Sunny then Chance Showers And Thunderstorms | 15 mph SSW | 37% |
| Tonight | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 62% |
| Wednesday | 73°F | Chance Showers And Thunderstorms then Partly Sunny | 3 to 7 mph NE | 35% |
| Wednesday Night | 59°F | Mostly Cloudy | 2 to 6 mph SSE | 1% |
| Thursday | 75°F | Mostly Sunny | 1 to 9 mph SSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 3 to 8 mph SSW | 0% |
| Friday | 77°F | Sunny | 3 to 15 mph SSW | 2% |
| Friday Night | 64°F | Mostly Clear | 8 to 14 mph SSW | 10% |
| Saturday | 79°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 8 to 13 mph SSW | 18% |
| Saturday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 12 mph SSW | 44% |
| Sunday | 78°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph SW | 44% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 6 to 9 mph WSW | 45% |
| Monday | 75°F | Chance Showers And Thunderstorms | 8 mph SW | 31% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 7 mph NE | 39% |
Forecast source: National Weather Service (api.weather.gov) for Algoma (44.606, -87.448). Updated through the day.
Growing snapshot for Algoma
Last spring frost
May 6
First fall frost
Oct 17
Growing season
163 days
Hardiness zone
5b
More local growing data for Algoma: nearby ZIP 54201 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Forestville-4E, Wi (6.7 mi from Algoma). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.