New Glarus, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Glarus, a village in Green County, Wisconsin.
Overnight
60°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 60. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for New Glarus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Showers And Thunderstorms | 5 mph E | 100% |
| Saturday | 71°F | Showers And Thunderstorms | 5 to 10 mph SE | 100% |
| Saturday Night | 59°F | Showers And Thunderstorms | 5 to 10 mph NE | 82% |
| Sunday | 65°F | Rain Showers Likely | 15 mph NE | 63% |
| Sunday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 16% |
| Monday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 19% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 18% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 11% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 5 mph NE | 4% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 5 mph NE | 4% |
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 Sep 19, 2026.