Spirit Lake, IA Weather & Growing Conditions
Today
63°F
Patchy Fog
Patchy fog and a slight chance of rain showers. Cloudy, with a high near 63. North wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Patchy Fog | 10 mph N | 19% |
| Tonight | 55°F | Patchy Fog | 15 mph NNE | 16% |
| Sunday | 66°F | Mostly Cloudy | 15 mph NE | 10% |
| Sunday Night | 51°F | Chance Rain Showers | 10 to 15 mph ENE | 36% |
| Monday | 60°F | Chance Rain Showers | 10 mph ENE | 39% |
| Monday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 24% |
| Tuesday | 63°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Tuesday Night | 43°F | Mostly Clear | 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 5 to 10 mph SE | 2% |
| Wednesday Night | 49°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SE | 15% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 to 10 mph SSE | 19% |
| Thursday Night | 52°F | Mostly Cloudy | 5 mph SE | 10% |
| Friday | 70°F | Partly Sunny | 5 to 10 mph SE | 10% |
| Friday Night | 54°F | Mostly Cloudy | 5 to 10 mph SSE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Spirit Lake, IA
Last spring frost
Apr 28
First fall frost
Oct 11
Growing season
164 days
Hardiness zone
5a
Explore more for Spirit Lake, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Spirit Lake, Ia (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.