Siren, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Siren, a village in Burnett County, Wisconsin.
This Afternoon
61°F
Light Rain
Rain and patchy fog. Mostly cloudy. High near 61, with temperatures falling to around 58 in the afternoon. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Siren
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Light Rain | 5 to 10 mph N | 82% |
| Tonight | 51°F | Rain | 5 mph NE | 83% |
| Wednesday | 56°F | Rain | 5 to 10 mph NE | 76% |
| Wednesday Night | 41°F | Light Rain | 5 to 10 mph N | 78% |
| Thursday | 47°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 41% |
| Thursday Night | 30°F | Mostly Cloudy | 0 to 10 mph NE | 1% |
| Friday | 45°F | Partly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 26°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 50°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 31°F | Partly Cloudy | 0 to 5 mph SW | 11% |
| Sunday | 54°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Sunday Night | 32°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Siren (45.778, -92.383). Updated through the day.
Growing snapshot for Siren
Last spring frost
May 11
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
4b
More local growing data for Siren: nearby ZIP 54872 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grantsburg, Wi (14.3 mi from Siren). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.