Grant, IA Weather & Growing Conditions
Today
84°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then showers and thunderstorms likely. Partly sunny. High near 84, with temperatures falling to around 81 in the afternoon. North wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 61% |
| Tonight | 62°F | Chance Showers And Thunderstorms then Patchy Smoke | 7 to 12 mph NNE | 90% |
| Wednesday | 73°F | Showers And Thunderstorms | 10 mph NE | 89% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph NE | 38% |
| Thursday | 82°F | Mostly Sunny | 1 to 5 mph E | 4% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 8% |
| Friday | 86°F | Sunny | 3 to 8 mph S | 8% |
| Friday Night | 67°F | Mostly Clear | 7 mph S | 7% |
| Saturday | 90°F | Sunny | 5 to 13 mph S | 3% |
| Saturday Night | 73°F | Mostly Clear | 13 mph S | 9% |
| Sunday | 91°F | Mostly Sunny | 10 to 14 mph S | 9% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 14 mph SSE | 20% |
| Monday | 92°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 to 15 mph S | 18% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 12 to 15 mph SSE | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grant, IA
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
168 days
Hardiness zone
5b
Explore more for Grant, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Corning, Ia (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.