Humboldt, SD Weather & Growing Conditions
Today
71°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a high near 71. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Scattered Rain Showers | 5 to 10 mph NW | 38% |
| Tonight | 53°F | Partly Cloudy | 5 mph NW | 4% |
| Wednesday | 75°F | Mostly Sunny | 5 mph S | 1% |
| Wednesday Night | 56°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Thursday | 82°F | Sunny | 10 to 15 mph SSW | 1% |
| Thursday Night | 63°F | Mostly Clear | 10 to 15 mph S | 5% |
| Friday | 86°F | Sunny | 10 to 15 mph SSW | 9% |
| Friday Night | 64°F | Mostly Clear | 10 mph S | 13% |
| Saturday | 88°F | Sunny | 10 to 20 mph SSE | 5% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 15 mph ESE | 19% |
| Sunday | 86°F | Mostly Sunny | 15 mph ESE | 13% |
| Sunday Night | 67°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 15 mph E | 18% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 15 mph ENE | 18% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 15 mph ENE | 16% |
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 Aug 4, 2026.