Stillwater, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stillwater, a city in Washington County, Minnesota.
Tonight
54°F
Rain Showers
Rain showers and patchy fog. Cloudy. Low around 54, with temperatures rising to around 57 overnight. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Stillwater
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Rain Showers | 5 to 15 mph SE | 41% |
| Saturday | 64°F | Chance Rain Showers then Cloudy | 10 mph ENE | 37% |
| Saturday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Sunday | 69°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Sunday Night | 46°F | Mostly Cloudy | 5 to 10 mph ENE | 2% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph ENE | 6% |
| Monday Night | 42°F | Mostly Cloudy | 0 to 5 mph E | 4% |
| Tuesday | 65°F | Mostly Sunny | 0 to 5 mph E | 3% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph ESE | 0% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph E | 8% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph SSE | 12% |
| Thursday Night | 50°F | Partly Cloudy | 0 mph | 10% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph ESE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Stillwater (45.059, -92.830). Updated through the day.
Growing snapshot for Stillwater
Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
4b
More local growing data for Stillwater: nearby ZIP 55082 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Afton
Bayport
Birchwood Village
Cottage Grove
Dellwood
Grant
Hugo
Lake Elmo
Lake St. Croix Beach
Lakeland
Lakeland Shores
Mahtomedi
Marine on St. Croix
Newport
Oak Park Heights
Oakdale
Pine Springs
Scandia
St. Marys Point
St. Paul Park
Willernie
Woodbury
Climate data from the nearest NOAA station, Stillwater 2Sw, Mn (2.1 mi from Stillwater). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.