Sandy Hook, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sandy Hook, a community in Grant County, Wisconsin.
Overnight
63°F
Partly Cloudy
Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. South wind around 6 mph.
7-day forecast for Sandy Hook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Partly Cloudy | 6 mph S | 0% |
| Tuesday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph SW | 41% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph NW | 80% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 5 mph N | 56% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 3 mph NW | 25% |
| Thursday | 79°F | Slight Chance Rain Showers then Sunny | 2 mph NE | 17% |
| Thursday Night | 60°F | Mostly Clear | 0 mph | 1% |
| Friday | 82°F | Sunny | 0 to 6 mph S | 4% |
| Friday Night | 64°F | Mostly Clear | 3 mph S | 7% |
| Saturday | 84°F | Mostly Sunny | 7 mph SW | 8% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 8 mph S | 26% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 8 to 12 mph SW | 26% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 8 mph S | 43% |
| Monday | 84°F | Chance Rain Showers | 8 mph S | 43% |
Forecast source: National Weather Service (api.weather.gov) for Sandy Hook (42.547, -90.617). Updated through the day.
Growing snapshot for Sandy Hook
Last spring frost
Apr 19
First fall frost
Oct 21
Growing season
184 days
Hardiness zone
5a
More local growing data for Sandy Hook: nearby ZIP 53812 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bagley
Bloomington
Boscobel
Cuba City
Dickeyville
Fennimore
Glen Haven
Kieler
Lancaster
Livingston
Montfort
Mount Hope
Muscoda
Patch Grove
Platteville
Potosi
Tennyson
Woodman
Climate data from the nearest NOAA station, Dubuque L&D 11, Ia (3.6 mi from Sandy Hook). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.