Archer, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Archer, a city in O'brien County, Iowa.
Tonight
39°F
Rain Showers
Rain showers. Cloudy. Low around 39, with temperatures rising to around 43 overnight. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Archer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Rain Showers | 15 mph NW | 95% |
| Wednesday | 46°F | Rain Showers | 15 to 20 mph NW | 89% |
| Wednesday Night | 37°F | Rain Showers Likely | 10 to 15 mph NW | 57% |
| Thursday | 47°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NNW | 29% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 1% |
| Friday | 47°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 30°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 54°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 58°F | Sunny | 5 to 10 mph WSW | 3% |
| Sunday Night | 37°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 60°F | Sunny | 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Archer (43.115, -95.744). Updated through the day.
Growing snapshot for Archer
Last spring frost
Apr 29
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
5a
More local growing data for Archer: nearby ZIP 51231 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Primghar, Ia (5.8 mi from Archer). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.