Humboldt, SD Weather & Growing Conditions
Overnight
60°F
Patchy Fog
Patchy fog. Cloudy, with a low around 60. North northeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Patchy Fog | 5 to 10 mph NNE | 12% |
| Saturday | 66°F | Patchy Fog then Mostly Cloudy | 10 to 15 mph NNE | 12% |
| Saturday Night | 55°F | Mostly Cloudy | 10 to 15 mph NNE | 7% |
| Sunday | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 16% |
| Sunday Night | 52°F | Rain Showers Likely | 10 to 15 mph ENE | 55% |
| Monday | 61°F | Rain Showers Likely | 10 mph ENE | 55% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 10 mph E | 14% |
| Tuesday | 64°F | Mostly Sunny | 10 to 15 mph ESE | 5% |
| Tuesday Night | 46°F | Partly Cloudy | 10 mph SE | 2% |
| Wednesday | 67°F | Mostly Sunny | 10 to 15 mph SSE | 9% |
| Wednesday Night | 51°F | Chance Rain Showers | 10 mph SSE | 35% |
| Thursday | 68°F | Chance Rain Showers | 10 to 15 mph SSE | 35% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 10 mph SE | 17% |
| Friday | 71°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph SE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Humboldt, SD
Last spring frost
May 7
First fall frost
Sep 29
Growing season
144 days
Hardiness zone
4b
Explore more for Humboldt, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Salem 5Ne, Sd (13.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.