Spirit Lake, IA Weather & Growing Conditions
Tonight
41°F
Rain Showers
Rain showers. Cloudy, with a low around 41. Northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Rain Showers | 20 mph NW | 80% |
| Wednesday | 45°F | Rain Showers Likely | 15 to 20 mph WNW | 63% |
| Wednesday Night | 38°F | Rain Showers Likely | 15 to 20 mph NW | 59% |
| Thursday | 45°F | Mostly Cloudy | 15 to 20 mph NNW | 8% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 15 mph N | 0% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 28°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Saturday | 49°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 to 10 mph W | 3% |
| Sunday | 57°F | Sunny | 10 mph WSW | 4% |
| Sunday Night | 37°F | Mostly Clear | 10 mph SW | 1% |
| Monday | 60°F | Sunny | 10 to 15 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 to 10 mph W | 1% |
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 Nov 4, 2026.