New Glarus, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Glarus, a village in Green County, Wisconsin.
Today
83°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Glarus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph W | 82% |
| Wednesday | 74°F | Patchy Fog | 5 mph NW | 59% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 31% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph N | 20% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 3% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph S | 3% |
| Friday Night | 63°F | Mostly Clear | 5 mph SW | 5% |
| Saturday | 84°F | Sunny | 5 to 10 mph SW | 12% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 10 mph SW | 28% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 48% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph S | 48% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
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 Aug 4, 2026.