Blairsburg, IA Weather & Growing Conditions
Tonight
66°F
Chance Showers And Thunderstorms then Patchy Fog
A chance of showers and thunderstorms before 8pm, then patchy fog and a chance of showers and thunderstorms between 8pm and 11pm, then patchy fog and showers and thunderstorms likely between 11pm and 2am, then patchy fog and a chance of showers and thunderstorms between 2am and 3am, then patchy fog and showers and thunderstorms likely between 3am and 5am, then a chance of showers and thunderstorms. Cloudy, with a low around 66. Southeast wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms then Patchy Fog | 8 to 14 mph SE | 63% |
| Saturday | 75°F | Chance Showers And Thunderstorms | 8 mph WNW | 40% |
| Saturday Night | 59°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph N | 23% |
| Sunday | 65°F | Chance Rain Showers | 15 mph NE | 34% |
| Sunday Night | 54°F | Chance Rain Showers | 14 mph ENE | 30% |
| Monday | 59°F | Rain Showers Likely | 15 mph ENE | 56% |
| Monday Night | 49°F | Rain Showers Likely | 8 to 12 mph ENE | 56% |
| Tuesday | 59°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph ENE | 16% |
| Tuesday Night | 46°F | Partly Cloudy | 6 mph E | 2% |
| Wednesday | 64°F | Mostly Sunny | 5 mph ESE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph SE | 6% |
| Thursday | 66°F | Slight Chance Rain Showers | 3 mph SSE | 18% |
| Thursday Night | 53°F | Mostly Cloudy | 2 mph SE | 8% |
| Friday | 67°F | Partly Sunny | 5 mph ESE | 8% |
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 Sep 19, 2026.