Emerald, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Emerald, a community in St. Croix County, Wisconsin.
Tonight
53°F
Light Rain
Rain and patchy fog. Cloudy, with a low around 53. East southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Emerald
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Light Rain | 5 mph ESE | 85% |
| Wednesday | 56°F | Light Rain | 5 to 10 mph SSW | 81% |
| Wednesday Night | 44°F | Light Rain | 5 to 15 mph NW | 88% |
| Thursday | 46°F | Chance Light Rain then Mostly Cloudy | 15 mph N | 47% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph NNE | 2% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 28°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 49°F | Mostly Sunny | 0 to 5 mph WSW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 9% |
| Sunday | 53°F | Mostly Sunny | 5 to 10 mph WNW | 14% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph SW | 2% |
| Monday | 55°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph WNW | 1% |
| Tuesday | 52°F | Sunny | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Emerald (45.087, -92.249). Updated through the day.
Growing snapshot for Emerald
Last spring frost
May 6
First fall frost
Oct 2
Growing season
148 days
Hardiness zone
4b
More local growing data for Emerald: nearby ZIP 54013 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Baldwin, Wi (11.5 mi from Emerald). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.