Spencer, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spencer, a city in Clay County, Iowa.
This Afternoon
65°F
Patchy Fog
Patchy fog. Cloudy, with a high near 65. North wind around 10 mph.
7-day forecast for Spencer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Patchy Fog | 10 mph N | 4% |
| Tonight | 54°F | Patchy Fog | 10 to 15 mph NNE | 8% |
| Sunday | 67°F | Patchy Fog then Cloudy | 15 mph NE | 14% |
| Sunday Night | 50°F | Rain Showers Likely | 10 to 15 mph NE | 60% |
| Monday | 58°F | Rain Showers Likely | 10 mph ENE | 73% |
| Monday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 49% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph ENE | 4% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph ESE | 0% |
| Wednesday | 66°F | Mostly Sunny | 0 to 10 mph SE | 3% |
| Wednesday Night | 48°F | Partly Cloudy then Chance Rain Showers | 5 mph SE | 25% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 41% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 5 mph SE | 19% |
| Friday | 72°F | Mostly Cloudy | 5 to 10 mph ESE | 14% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 21% |
Forecast source: National Weather Service (api.weather.gov) for Spencer (43.147, -95.153). Updated through the day.
Growing snapshot for Spencer
Last spring frost
May 1
First fall frost
Oct 3
Growing season
154 days
Hardiness zone
5a
More local growing data for Spencer: nearby ZIP 51301 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Spencer 1 N, Ia (0.9 mi from Spencer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.