Newport, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newport, a city in Washington County, Minnesota.
This Afternoon
61°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 61. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Newport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Showers And Thunderstorms | 15 mph E | 91% |
| Tonight | 57°F | Showers And Thunderstorms | 10 to 15 mph E | 90% |
| Saturday | 65°F | Rain Showers Likely then Drizzle Likely | 10 mph NE | 72% |
| Saturday Night | 55°F | Slight Chance Drizzle then Mostly Cloudy | 5 to 10 mph NNE | 15% |
| Sunday | 70°F | Partly Sunny | 10 mph NE | 2% |
| Sunday Night | 50°F | Mostly Cloudy | 5 to 10 mph ENE | 2% |
| Monday | 65°F | Mostly Cloudy | 5 to 10 mph ENE | 8% |
| Monday Night | 45°F | Mostly Cloudy | 5 mph ENE | 7% |
| Tuesday | 66°F | Mostly Sunny | 5 mph E | 3% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 68°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph SE | 8% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph SSE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Newport (44.874, -92.999). Updated through the day.
Growing snapshot for Newport
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5a
More local growing data for Newport: nearby ZIP 55055 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
Oak Park Heights
Oakdale
Pine Springs
Scandia
St. Marys Point
St. Paul Park
Stillwater
Willernie
Woodbury
Climate data from the nearest NOAA station, St Paul Downtown Ap, Mn (4.9 mi from Newport). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.