Blairsburg, IA Weather & Growing Conditions
Overnight
43°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 43, with temperatures rising to around 45 overnight. West northwest wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Chance Rain Showers | 18 mph WNW | 47% |
| Wednesday | 50°F | Chance Rain Showers | 14 to 17 mph WNW | 39% |
| Wednesday Night | 42°F | Chance Rain Showers | 13 mph WNW | 49% |
| Thursday | 51°F | Rain Showers Likely then Cloudy | 10 to 14 mph NW | 57% |
| Thursday Night | 35°F | Mostly Cloudy | 6 to 9 mph N | 8% |
| Friday | 48°F | Mostly Sunny | 2 to 6 mph NNE | 4% |
| Friday Night | 28°F | Partly Cloudy | 2 mph E | 2% |
| Saturday | 51°F | Mostly Sunny | 1 to 5 mph SW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 57°F | Sunny | 6 mph W | 1% |
| Sunday Night | 36°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 62°F | Sunny | 6 to 9 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 61°F | Mostly Sunny | 3 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blairsburg, IA
Last spring frost
May 3
First fall frost
Oct 2
Growing season
150 days
Hardiness zone
5a
Explore more for Blairsburg, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Webster City, Ia (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.