New Glarus, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Glarus, a village in Green County, Wisconsin.
Tonight
56°F
Light Rain
Rain before 5am. Cloudy, with a low around 56. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for New Glarus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Light Rain | 10 to 15 mph S | 78% |
| Wednesday | 57°F | Slight Chance Light Rain | 15 mph SW | 24% |
| Wednesday Night | 46°F | Cloudy then Chance Light Rain | 15 mph SW | 30% |
| Thursday | 52°F | Chance Light Rain | 10 to 15 mph W | 46% |
| Thursday Night | 40°F | Chance Light Rain then Mostly Cloudy | 10 mph N | 27% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 5 to 10 mph N | 16% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 5% |
| Sunday | 58°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 5% |
| Monday | 59°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 59°F | Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for New Glarus (42.813, -89.634). Updated through the day.
Growing snapshot for New Glarus
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
5a
More local growing data for New Glarus: nearby ZIP 53574 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Monroe Wwtp, Wi (15.2 mi from New Glarus). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.