New Brighton, MN Weather & Growing Conditions
This Afternoon
59°F
Light Rain
Rain and patchy fog. Cloudy. High near 59, with temperatures falling to around 55 in the afternoon. North wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Light Rain | 10 mph N | 100% |
| Tonight | 51°F | Rain | 10 mph N | 99% |
| Wednesday | 56°F | Light Rain | 5 to 10 mph N | 91% |
| Wednesday Night | 45°F | Light Rain | 10 to 15 mph NNW | 81% |
| Thursday | 49°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 38% |
| Thursday Night | 36°F | Mostly Cloudy | 5 to 10 mph NNE | 2% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 32°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph SSW | 1% |
| Saturday Night | 38°F | Partly Cloudy | 5 mph WSW | 9% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 9% |
| Sunday Night | 39°F | Partly Cloudy | 5 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Brighton, MN
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
177 days
Hardiness zone
5a
Explore more for New Brighton, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Vadnais Lake, Mn (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.