Johnson, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnson, a city in Stevens County, Minnesota.
Today
66°F
Patchy Fog then Cloudy
Patchy fog and a slight chance of drizzle before 11am. Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. Northeast wind 6 to 9 mph.
7-day forecast for Johnson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Patchy Fog then Cloudy | 6 to 9 mph NE | 4% |
| Tonight | 52°F | Mostly Cloudy | 7 mph NNE | 3% |
| Sunday | 67°F | Mostly Cloudy | 7 to 10 mph ENE | 2% |
| Sunday Night | 48°F | Mostly Cloudy | 8 mph E | 3% |
| Monday | 66°F | Partly Sunny | 7 mph E | 3% |
| Monday Night | 44°F | Partly Cloudy | 5 mph ESE | 2% |
| Tuesday | 66°F | Sunny | 6 to 12 mph SE | 0% |
| Tuesday Night | 45°F | Mostly Clear | 9 mph SE | 0% |
| Wednesday | 68°F | Mostly Sunny | 9 to 15 mph SE | 5% |
| Wednesday Night | 50°F | Slight Chance Rain Showers | 10 mph SSE | 19% |
| Thursday | 70°F | Slight Chance Rain Showers then Partly Sunny | 9 to 13 mph SSE | 19% |
| Thursday Night | 52°F | Partly Cloudy | 8 mph SE | 11% |
| Friday | 73°F | Partly Sunny | 8 to 14 mph SSE | 11% |
| Friday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 13 mph SSE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Johnson (45.572, -96.294). Updated through the day.
Growing snapshot for Johnson
Last spring frost
May 1
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
4b
More local growing data for Johnson: nearby ZIP 56221 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Artichoke Lake 1 E, Mn (12.4 mi from Johnson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.