Gladbrook, IA Weather & Growing Conditions
Today
80°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 76 in the afternoon. West wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Chance Showers And Thunderstorms | 6 to 9 mph W | 38% |
| Tonight | 60°F | Showers And Thunderstorms | 6 to 9 mph N | 76% |
| Wednesday | 73°F | Chance Showers And Thunderstorms | 6 mph NNE | 50% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 3 mph NNE | 24% |
| Thursday | 79°F | Sunny | 2 mph ENE | 2% |
| Thursday Night | 59°F | Mostly Clear | 2 mph SSE | 0% |
| Friday | 82°F | Sunny | 2 to 8 mph SSE | 7% |
| Friday Night | 64°F | Mostly Clear | 7 mph S | 12% |
| Saturday | 86°F | Sunny | 5 to 8 mph S | 10% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 8 to 12 mph SSW | 16% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 16% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 9 mph SSE | 34% |
| Monday | 85°F | Chance Showers And Thunderstorms | 10 mph S | 34% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 10 mph E | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gladbrook, IA
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
160 days
Hardiness zone
5a
Explore more for Gladbrook, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Grundy Ctr, Ia (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.